Supported actions catalog

This is the complete source-derived public action catalog for the current repository. The generator reads the same MCP registration surface used by clients, so tool names, descriptions, action enums, authority visibility, and counts stay aligned with the code. Release metadata and distributed-artifact claims remain versioned separately; this source catalog may include unreleased actions.

Surface	Count	Availability
Registered core actions	328	CEP/local server catalog; host and authority checks still apply
Default-profile core actions	326	Advertised with `inspect,edit,export,filesystem`
Restricted core actions	2	Require explicit `unsafe-script` authority
Authenticated UXP additions	91	Advertised only while a compatible authenticated UXP panel is connected
Default profile with UXP	417	326 core plus 91 UXP tools

How to read support

tools/list is authoritative for what the current MCP session may call.
get_capabilities reports the full registered catalog, authority decisions, backend eligibility, and any live-host verification still required.
A listed tool is not proof that a particular Premiere installation supports every host API. The authenticated UXP capability handshake and per-call preflight remain authoritative.
CEP remains the compatibility backend. A failed UXP mutation is never automatically replayed through CEP or the undocumented QE DOM.
Automated tests establish schemas, routing, bounds, transactions, and readback contracts; they do not replace validation in a real Premiere host.

Core actions

Each core tool is one callable MCP action. “Actions or modes” records a top-level action enum when present, otherwise other top-level enum selectors, or “Single operation” when the tool has no enum-based mode.

MCP tool	Availability	Actions or modes	Description
`add_adjustment_layer`	Default profile	Single operation	Add an adjustment layer to the active sequence via QE DOM. The layer is added at the playhead position on the specified track.
`add_audio_keyframes`	Default profile	Single operation	Add audio level keyframes to create fades or level changes
`add_custom_metadata_field`	Default profile	Single operation	Add a custom metadata field to the project's metadata schema. This creates a schema/column definition only; it does not set a per-item value. Use set_metadata with complete Project Metadata XML and readback to update a value.
`add_keyframe`	Default profile	Single operation	Add and read back a keyframe on an effect property. This verifies stored parameter data only; render/playback verification remains host-dependent.
`add_marker`	Default profile	Single operation	Add a marker to the active sequence or a clip
`add_marker_to_project_item`	Default profile	`type`: `Comment`, `Chapter`, `Segmentation`, `WebLink`	Add a marker to a project item (source clip marker).
`add_text_overlay`	Default profile	`caption_format`: `608`, `708`, `subtitle`, `teletext`	Unavailable: Premiere does not expose a supported scripting API to create caption clips directly from raw text. Import an .srt/.vtt and use create_caption_track, or use a MOGRT/PNG overlay for title graphics.
`add_to_render_queue`	Default profile	Single operation	Request an Adobe Media Encoder render-queue handoff for the active sequence. Verify queue presence or the output file independently.
`add_to_timeline`	Default profile	Single operation	Insert a project item at a timeline position and verify Premiere added no unexpected same-track fragments.
`add_to_timeline_batch`	Default profile	Single operation	Insert up to 32 project items in one validated CEP request. All items and target tracks are preflighted before the first insertion; every requested placement is read back, and the tool fails closed if Premiere cannot verify one.
`add_track`	Default profile	`track_type`: `video`, `audio`	Add verified video or audio tracks to the active sequence. Returns an error if Premiere cannot add the exact requested count.
`add_tracks`	Default profile	Single operation	Add video and/or audio tracks through QE and verify the active sequence gained the exact requested counts
`add_transition`	Default profile	Single operation	Add a video transition between two clips at a cut point. Uses QE DOM.
`add_transition_to_clip`	Default profile	`position`: `start`, `end`, `both`	Add a transition to a specific clip's start or end
`adjust_audio_levels`	Default profile	Single operation	Adjust a clip's Volume > Level in dB. Does not read or change Essential Sound Amplify automation.
`analyze_loudness`	Default profile	Single operation	Measure integrated loudness (LUFS), loudness range (LU), and true peak (dBFS) from a local media file using FFmpeg's EBU R128 filter. Analysis only: it does not normalize audio or change Premiere.
`analyze_video_interlacing`	Default profile	Single operation	Classify decoded video frames as progressive, top-field-first, bottom-field-first, mixed, or undetermined using FFmpeg idet. Read-only delivery preflight.
`analyze_video_qc`	Default profile	Single operation	Analyze a local video delivery for sustained black and frozen sections with FFmpeg. Read-only: it does not contact Premiere or modify the file.
`apply_audio_effect`	Default profile	Single operation	Apply an audio effect to a clip. Uses QE catalog lookup, with an exact-name QE probe when enumeration is empty.
`apply_edit_plan`	Default profile	Single operation	Apply a previously previewed compound edit after revalidating every target. Requires the edit capability and exact preview confirmation token.
`apply_effect`	Default profile	Single operation	Apply a video effect to a clip. Uses QE DOM catalog lookup, with an exact-name QE probe when Premiere's catalog enumeration is empty.
`apply_lut`	Default profile	Single operation	Apply a LUT file to a clip via Lumetri Color
`apply_spot_workflow_plan`	Default profile	Single operation	Apply one exact previewed motion-demo, product-spot, or brand-spot plan. Requires edit authority, requires filesystem authority for a MOGRT, and only targets empty explicitly named tracks. Host readback is not playback or render verification.
`attach_custom_property`	Default profile	Single operation	Attach a custom property (key/value pair) to the active sequence
`auto_reframe_sequence`	Default profile	`motion_preset`: `slower`, `default`, `faster`	Auto-reframe a sequence for a different aspect ratio
`batch_add_transitions`	Default profile	Single operation	Add the same transition to all cut points on a track
`batch_apply_effect`	Default profile	`target`: `selected`, `track`, `all`; `track_type`: `video`, `audio`	Apply one audio or video effect to compatible selected clips, a compatible track, or all compatible clips. Every target is preflighted and then checked by component-count readback.
`batch_enable_disable`	Default profile	`target`: `selected`, `track`, `all`; `track_type`: `video`, `audio`	Enable or disable multiple clips at once (selected, track, or all).
`batch_rename_clips`	Default profile	`track_type`: `video`, `audio`	Rename multiple clips on the timeline using a pattern. Supports sequential numbering.
`capture_frame`	Default profile	Single operation	Capture the current frame and return it as inline image data for the LLM to see. This lets the AI visually inspect the current state of the timeline.
`check_offline_media`	Default profile	Single operation	Check for offline (missing) media in the project
`clear_item_in_out`	Default profile	Single operation	Clear in and/or out points on a project item (reset to full duration).
`clear_sequence_in_out`	Default profile	Single operation	Clear the in and/or out points on the active sequence.
`close_all_source_clips`	Default profile	Single operation	Close all clips in the Source Monitor.
`close_project`	Default profile	Single operation	Close the current Premiere Pro project
`close_sequence`	Default profile	Single operation	Close a sequence tab in the timeline
`close_source_monitor`	Default profile	Single operation	Close the clip currently open in the Source Monitor.
`color_correct`	Default profile	Single operation	Apply basic color correction to a clip using Lumetri Color
`compare_cmx3600_edls`	Default profile	Single operation	Compare two local CMX 3600 EDLs by event number and report bounded added, removed, and changed editorial events. Read-only; it does not alter either interchange file or Premiere.
`consolidate_and_transfer`	Default profile	Single operation	Consolidate, copy, or transcode project media using the Project Manager. Reports success only after a new destination folder contains a copied Premiere project.
`consolidate_duplicates`	Default profile	Single operation	Consolidate duplicate project items and report success only when duplicate media groups decrease.
`copy_effect_values`	Default profile	Single operation	Copy verified scalar effect-property values from one effect to the matching effect on another clip. Both clips must already have the same effect applied. Legacy CEP deliberately refuses Blend Mode because Premiere can corrupt its enum value on cross-clip writes.
`copy_effects_between_clips`	Default profile	Single operation	Copy all effects (or a specific effect) from one clip to another. Does not copy intrinsic properties like Motion/Opacity unless specified.
`create_bars_and_tone`	Default profile	Single operation	Create a Bars and Tone synthetic media item in the project (useful for leader/calibration)
`create_bin`	Default profile	Single operation	Create a new bin (folder) in the project panel
`create_caption_track`	Default profile	Single operation	Create a caption/subtitle track in the active sequence from an imported caption file (e.g., .srt, .vtt). Reports structural success only when the host exposes a caption-track readback; otherwise reports an unverified accepted request.
`create_context_edit_plan`	Default profile	`strategy`: `rough_cut`, `select_ranges`, `review`	Create a non-mutating, evidence-backed edit-plan scaffold from indexed Premiere context. It returns ranked source/time candidates and stale-state guards; the model must review them and use preview_edit_plan before any mutation.
`create_editorial_context_pack`	Default profile	Single operation	Create a compact Markdown reading view from already captured local transcript, shot, audio, note, source, or timeline context. It returns stable evidence IDs and context revisions for review, never calls an AI/provider or Premiere, and cannot change the project.
`create_editorial_plan`	Default profile	`workflow`: `organize`, `stringout`, `rough_cut`, `caption_review`, `platform_cutdown`	Create a local, evidence-backed editorial workflow plan from captured project context. It never calls an LLM, uploads media, or changes Premiere.
`create_project`	Default profile	Single operation	Create a new Premiere Pro project at the specified path
`create_project_backup`	Default profile	Single operation	Create a collision-safe, byte-verified backup beside an existing .prproj file without opening or modifying the source project.
`create_sequence`	Default profile	Single operation	Create a new sequence in the project
`create_sequence_from_clips`	Default profile	Single operation	Create a new sequence by automatically placing project items in order
`create_sequence_from_preset`	Default profile	Single operation	Create a new sequence from a specific preset file (.sqpreset)
`create_smart_bin`	Default profile	Single operation	Create a smart bin (search bin) in the project panel
`create_subclip`	Default profile	Single operation	Create a subclip from a project item with in/out points
`create_subsequence`	Default profile	Single operation	Create a separate subsequence from selected clips or a time range. This Premiere API does not replace the original timeline clips with a nested-sequence reference.
`crop_clip`	Default profile	Single operation	Apply or update Premiere's Crop effect on one video clip and read back every requested value. Adding Crop uses the legacy QE catalog only when the clip does not already contain it.
`delete_bin`	Default profile	Single operation	Delete a bin (folder) from the project panel
`delete_marker`	Default profile	Single operation	Delete a marker at a specific time position
`delete_multiple_project_items`	Default profile	Single operation	Delete multiple project items at once from the project panel.
`delete_preview_files`	Default profile	Single operation	Delete all preview/render cache files for the project. Uses QE DOM.
`delete_project_item`	Default profile	Single operation	Delete a project item (clip, bin, etc.) from the project panel. This removes it from the project but does not affect timeline instances.
`delete_sequence`	Default profile	Single operation	Delete a sequence from the project
`delete_track`	Default profile	`track_type`: `video`, `audio`	Delete a video or audio track from the active sequence
`deselect_all_clips`	Default profile	Single operation	Deselect all clips in the active sequence.
`detach_proxy`	Default profile	Single operation	Detach/remove the proxy from a project item
`detect_active_picture_bounds`	Default profile	Single operation	Detect the most frequent active-picture crop rectangle in decoded video, exposing probable letterbox or pillarbox bars without modifying the source.
`detect_audio_transients`	Default profile	Single operation	Find probable beat or edit-point transients from decoded audio peaks. Returns candidates for editorial review; it does not claim musical beat-grid accuracy or change a timeline.
`detect_beats`	Default profile	Single operation	Estimate a steady beat grid from a local audio or video file without changing Premiere. FFmpeg decodes at most 30 minutes to a bounded mono analysis stream; local onset autocorrelation returns BPM, phase-aligned beat times, confidence, and half/double-time alternatives.
`detect_motion_peaks`	Default profile	Single operation	Find probable high-motion moments in a bounded local video sample from decoded frame differences. Read-only editorial candidates; camera movement, flashes, cuts, and subject motion are not semantically distinguished.
`detect_scene_edits`	Default profile	`mode`: `apply_cuts`, `create_markers`, `create_subclips`	Safe scene-edit facade. It uses the authenticated Premiere UXP bridge when connected and explicitly confirmed; CEP fallback is intentionally withheld because synchronous scene detection can block the panel.
`detect_silence`	Default profile	Single operation	Find silent ranges in a media file and return both the silences and the complementary segments worth keeping. Analysis only — nothing in the project or on the timeline is modified. Requires ffmpeg on PATH: Premiere's scripting API exposes no audio-level or waveform data, so silence cannot be measured through the bridge.
`detect_source_scene_changes`	Default profile	Single operation	Detect probable visual cuts in a local source file using FFmpeg scene scores. Read-only and source-relative; it does not cut a Premiere timeline.
`duplicate_clip`	Default profile	Single operation	Duplicate a clip on the timeline (copy to same position on next available track)
`duplicate_sequence`	Default profile	Single operation	Duplicate an existing sequence
`enable_disable_clip`	Default profile	Single operation	Enable or disable a clip on the timeline
`encode_file`	Default profile	Single operation	Request an Adobe Media Encoder encode for an external file. The returned job ID is an unverified handoff; verify queue presence or the output file independently.
`encode_project_item`	Default profile	Single operation	Request an Adobe Media Encoder encode for a project item. The returned job ID is an unverified handoff; verify queue presence or the output file independently.
`export_aaf`	Default profile	Single operation	Unavailable on the CEP backend. Use export_aaf_uxp with an authenticated Premiere 26.3+ UXP bridge.
`export_as_fcp_xml`	Default profile	Single operation	Export the active sequence as a Final Cut Pro XML file
`export_as_project`	Default profile	Single operation	Export a sequence as a standalone Premiere Pro project file
`export_frame`	Default profile	Single operation	Export the current frame as an image file
`export_omf`	Default profile	Single operation	Export the active sequence as an OMF file (Open Media Framework, for audio post-production)
`export_sequence`	Default profile	Single operation	Export the active sequence using Adobe Media Encoder
`export_sequence_clip_review_frames`	Default profile	Single operation	Export one file-verified composite frame at the midpoint of each clip on a chosen video track in one bridge request. Read-only in Premiere; it does not mute tracks or claim visual quality.
`export_sequence_marker_review_frames`	Default profile	Single operation	Export up to 24 file-verified composite frames at active-sequence marker positions in one bridge request for marker-driven review. It reads markers and writes image files only; it does not add, update, or remove Premiere markers.
`export_sequence_review_frames`	Default profile	Single operation	Export 2-24 evenly spaced, file-verified frames from an active-sequence range in one bridge round trip for visual review. This samples rendered output; it does not prove playback, audio, or editorial quality.
`extract_selection`	Default profile	Single operation	Extract (remove and close gap) the content between sequence in/out points.
`find_items_by_media_path`	Default profile	Single operation	Find project items whose media path contains the given search string
`find_project_item_by_name`	Default profile	Single operation	Find a project item by name (searches recursively through bins)
`freeze_frame`	Default profile	Single operation	Create a freeze frame from a clip at a specific time. Exports the frame and imports it back as a still image.
`generate_media_contact_sheet`	Default profile	Single operation	Generate a new, disk-verified PNG contact sheet from evenly sampled source frames. Refuses to overwrite an existing output and does not modify Premiere or the source.
`get_active_sequence`	Default profile	Single operation	Get detailed information about the currently active sequence
`get_advanced_feature_support`	Default profile	`backend`: `cep`, `uxp`	Report public-API support, prerequisites, entitlements, and user-assisted boundaries for Premiere collaboration and AI features
`get_all_project_paths`	Default profile	Single operation	Get all unique media file paths used in the project. Useful for asset management and archiving.
`get_av_feature_support`	Default profile	Single operation	Report the documented automation boundary for advanced audio and modern color management, including actionable reasons for UI-only features.
`get_bin_contents`	Default profile	Single operation	Get detailed contents of a specific bin (folder) including all nested items, media paths, offline status, color labels, and metadata. Searches by bin name or node ID.
`get_bridge_telemetry`	Default profile	Single operation	Inspect privacy-preserving aggregate bridge health: pending command/response counts, busy operations, queue age, and CEP heartbeat state without returning project or personal data.
`get_capabilities`	Default profile	Single operation	Report Windows/macOS support, Premiere Pro backend coverage, enabled authority, and whether live host verification is still required. Use tool_names or tool_offset/tool_limit to return a bounded tool catalog.
`get_clip_adjustment_layer`	Default profile	Single operation	Check if a clip is an adjustment layer
`get_clip_at_playhead`	Default profile	`track_type`: `video`, `audio`, `both`	Get all clips at the current playhead position across all tracks.
`get_clip_at_position`	Default profile	`track_type`: `video`, `audio`	Get the clip at a specific time position on a track
`get_clip_links`	Default profile	Single operation	Get information about linked clips (audio/video linked together) for a given clip.
`get_clip_markers`	Default profile	Single operation	Get all markers on a specific project item (source clip markers, not sequence markers).
`get_clip_properties`	Default profile	Single operation	Get detailed properties of a specific clip by its node ID
`get_clip_speed`	Default profile	Single operation	Get the playback speed and reverse state of a clip
`get_clip_volume`	Default profile	Single operation	Read an audio clip's Volume > Level in dB. Use this to verify a level actually applied - setValue() clamps silently. Does not report Essential Sound Amplify automation.
`get_color_label`	Default profile	Single operation	Get the color label of a project item
`get_color_space`	Default profile	Single operation	Get the color space information for a project item
`get_duplicate_media`	Default profile	Single operation	Find project items that reference the same source media file. Useful for consolidation.
`get_effect_properties`	Default profile	Single operation	List all properties of a specific effect on a clip, including current values
`get_encoder_presets`	Default profile	Single operation	List available Adobe Media Encoder export presets, with the .epr path of each so it can be passed to export_sequence or encode_project_item. Presets are discovered by scanning the .epr files Adobe ships on disk (Premiere's ExtendScript API exposes no preset enumeration).
`get_export_file_extension`	Default profile	Single operation	Get the file extension that would be used when exporting the active sequence with a given preset
`get_footage_interpretation`	Default profile	Single operation	Get footage interpretation settings for a project item
`get_full_clip_info`	Default profile	Single operation	Get exhaustive information about a specific clip: all effects with every property value, source media details, footage interpretation, metadata, markers, speed, enabled state, color label, linked clips, and proxy status.
`get_full_project_overview`	Default profile	Single operation	Get a comprehensive overview of the project. Use include_bin_tree false or sequence_offset/sequence_limit for a bounded response on large projects.
`get_full_sequence_info`	Default profile	Single operation	Get exhaustive information about a sequence: settings, all tracks with lock/mute/target state, all clips with positions/effects/speed/enabled state, all markers, transitions, in/out points, and work area.
`get_graphics_white_luminance`	Default profile	Single operation	Get the graphics white luminance value (HDR setting) for the project
`get_insertion_bin`	Default profile	Single operation	Get the current target bin for new imports (the bin that is currently focused in the Project panel)
`get_item_info`	Default profile	Single operation	Get detailed type info about a project item (is it a sequence, multicam, merged clip, etc.)
`get_keyframes`	Default profile	Single operation	Get all keyframes for a specific effect property on a clip
`get_linked_items`	Default profile	Single operation	Get all clips in the sequence that are linked to the same source as a given clip
`get_metadata`	Default profile	Single operation	Get metadata for a project item. Disable either XML payload when a bounded identity/path response is sufficient.
`get_mogrt_component`	Default profile	Single operation	Get MOGRT (Motion Graphics Template) component parameters from a clip
`get_next_edit_point`	Default profile	`direction`: `next`, `previous`; `track_type`: `video`, `audio`, `both`	Find the next or previous edit point (clip boundary) from the playhead position.
`get_offline_media`	Default profile	Single operation	Find all offline/missing media in the project with their expected file paths. Essential for diagnosing broken links.
`get_playhead_position`	Default profile	Single operation	Get the current playhead (CTI) position in the active sequence
`get_premiere_state`	Default profile	Single operation	Get a comprehensive snapshot of the current Premiere Pro state: project info, active sequence, playhead position, selected clips, and available sequences. The best first call to understand the current context.
`get_project_info`	Default profile	Single operation	Get information about the currently open Premiere Pro project
`get_project_item_info`	Default profile	Single operation	Get detailed information about a project item (media file in the project panel): media path, resolution, duration, frame rate, codec info, metadata, color label, offline status, in/out points, and proxy status.
`get_project_panel_metadata`	Default profile	Single operation	Get the current project panel metadata/column configuration as XML
`get_project_scratch_disks`	Default profile	Single operation	Get the current scratch disk paths for the project.
`get_qe_clip_info`	Default profile	`track_type`: `video`, `audio`	Get QE DOM information about a clip, including properties not available through the standard API.
`get_render_queue_status`	Default profile	Single operation	Get the current status of the Adobe Media Encoder render queue
`get_selected_clips`	Default profile	Single operation	Get the currently selected clips in the active sequence
`get_sequence_count`	Default profile	Single operation	Get the total number of sequences in the project.
`get_sequence_in_out_points`	Default profile	Single operation	Get the current sequence in and out points
`get_sequence_markers_by_type`	Default profile	`marker_type`: `Comment`, `Chapter`, `Segmentation`, `WebLink`, `FlashCuePoint`	Get all markers of a specific type (comment, chapter, web link, etc.) from a sequence.
`get_sequence_settings`	Default profile	Single operation	Get the settings (resolution, frame rate, etc.) of a sequence
`get_sequence_structure`	Default profile	Single operation	Get a complete structural overview of the active sequence: all tracks, all clips with positions, gaps, and clip metadata. Essential for understanding timeline state before making edits.
`get_source_monitor_info`	Default profile	Single operation	Get information about the clip currently loaded in the Source Monitor.
`get_source_monitor_position`	Default profile	Single operation	Get the current time indicator position in the Source Monitor
`get_target_tracks`	Default profile	Single operation	Get which tracks are currently targeted for editing.
`get_timeline_gaps`	Default profile	`track_type`: `video`, `audio`, `both`	Find all gaps (empty spaces) on the timeline between clips. Useful for identifying where content is missing or where clips can be tightened.
`get_timeline_summary`	Default profile	Single operation	Get a human-readable summary of the timeline: total duration, clip count per track, total gaps, coverage percentage, used media files, effect usage, and marker overview. Great for a quick understanding of sequence state.
`get_total_clip_count`	Default profile	Single operation	Get the total number of clips across all tracks in the active sequence.
`get_track_info`	Default profile	`track_type`: `video`, `audio`	Get detailed information about a specific track: name, clip count, muted, locked, targeted, and list of all clips.
`get_unused_media`	Default profile	Single operation	Find all project items that are NOT used in any sequence. Useful for cleaning up projects.
`get_used_media_report`	Default profile	Single operation	Get a report of all media files used in a sequence: which source files are used, how many times each appears, on which tracks, and whether any sources are offline.
`get_value_at_time`	Default profile	Single operation	Get the interpolated value of an effect property at a specific time
`get_version_info`	Default profile	Single operation	Get Premiere Pro version and build information.
`get_work_area`	Default profile	Single operation	Get the current work area in and out points
`get_workspaces`	Default profile	Single operation	List all available workspace layouts in Premiere Pro
`get_xmp_metadata`	Default profile	Single operation	Get the raw XMP metadata for a project item (includes EXIF, IPTC, Dublin Core, etc.)
`has_proxy`	Default profile	Single operation	Check if a project item has a proxy attached
`import_ae_comps`	Default profile	Single operation	Import After Effects compositions from an .aep file
`import_edl`	Default profile	Single operation	Unavailable by design: CMX 3600 EDL import opens Premiere UI that can block the CEP bridge. No import is attempted; convert the EDL to FCP7 XML and use import_fcp_xml for unattended interchange.
`import_fcp_xml`	Default profile	Single operation	Import a Final Cut Pro XML file into the current project
`import_folder`	Default profile	Single operation	Import an entire folder of media into the project
`import_image_sequence`	Default profile	Single operation	Import a numbered image sequence as a single video clip.
`import_media`	Default profile	Single operation	Import media files into the project
`import_mogrt`	Default profile	Single operation	Import a Motion Graphics Template (.mogrt) file and add it to the timeline
`import_mogrt_from_library`	Default profile	Single operation	Import a MOGRT from a named Adobe Creative Cloud Library.
`import_sequences`	Default profile	Single operation	Import sequences from another Premiere Pro project file
`insert_from_source`	Default profile	Single operation	Insert the clip from the Source Monitor at the playhead position (insert edit — shifts existing clips).
`inspect_cmx3600_edl`	Default profile	Single operation	Parse a local CMX 3600 EDL into bounded event, reel, track, transition, and timecode facts without importing it into Premiere.
`inspect_dom_object`	Default profile	Single operation	Inspect a Premiere Pro DOM object and list its properties, methods, and values. Useful for exploring the API and debugging. Examples: - "app.project" → project properties - "app.project.activeSequence" → sequence properties - "app.project.activeSequence.videoTracks[0].clips[0]" → first clip on V1 - "app.project.activeSequence.videoTracks[0].clips[0].components[0]" → first component of a clip
`inspect_edit_readiness`	Default profile	Single operation	Audit the active sequence in one read-only bridge request for empty timelines, primary-track gaps, disabled clips, muted tracks, and excessive Motion scale. Structural diagnostics only; it cannot judge story, framing, sound, or final delivery.
`inspect_fcpxml_interchange`	Default profile	Single operation	Inspect a local FCPXML document's root version, sequence/clip counts, bounded asset declarations, and text-only parser warnings before deliberate Premiere import.
`inspect_media_streams`	Default profile	Single operation	Inspect a local media file with ffprobe and return container, stream, codec, time-base, channel, and chapter metadata. Read-only and independent of Premiere.
`inspect_project_item_av_metadata`	Default profile	Single operation	Inspect a project item's documented effective/original color space, LUT IDs, available color-space overrides, and audio channel shape.
`inspect_project_recovery`	Default profile	Single operation	Read-only recovery inspection: diagnose the active project path and list adjacent Premiere Auto-Save project candidates without opening, copying, or restoring anything.
`inspect_sequence_av_settings`	Default profile	Single operation	Inspect documented audio, tone-mapping, linear-compositing, bit-depth, render-quality, and display settings for the active sequence.
`inspect_sequence_review_report`	Default profile	Single operation	Build one read-only sequence handoff report with timeline structure, primary-track gaps, disabled clips, muted tracks, marker timing, and offline-source evidence. Media paths are never returned; marker comments require an explicit opt-in. It does not prove rendered pixels, audio quality, caption correctness, rights, or editorial approval.
`inspect_stabilizer_status`	Default profile	Single operation	Read Warp Stabilizer presence, exposed status properties, and conservative analysis state for one clip or every video clip in the active sequence. Read-only: unknown or localized host values remain unknown rather than being reported as solved.
`invert_selection`	Default profile	Single operation	Invert the current clip selection in the active sequence (selected become deselected and vice versa).
`is_work_area_enabled`	Default profile	Single operation	Check whether the work area bar is enabled on the active sequence
`lift_selection`	Default profile	Single operation	Lift (remove without closing gap) the content between sequence in/out points or selected clips.
`link_selection`	Default profile	Single operation	Link the currently selected video and audio clips in the active sequence
`list_available_audio_effects`	Default profile	Single operation	List all available audio effects in Premiere Pro. Uses QE DOM.
`list_available_audio_transitions`	Default profile	Single operation	List all available audio transitions. Uses QE DOM and reports an unavailable or empty legacy catalog as an error rather than an assumed usable list.
`list_available_effects`	Default profile	Single operation	List available video effects in Premiere Pro. Uses the full QE catalog when exposed; otherwise returns a verified, explicitly partial set of common effects resolved by exact name.
`list_available_transitions`	Default profile	Single operation	List all available video transitions. Uses QE DOM. Returns a hint set on PPro 2026 where the transition registry list is empty even though by-name lookup works.
`list_clip_effects`	Default profile	Single operation	List all effects/components on a clip with their properties and current values. Essential for debugging effect issues.
`list_markers`	Default profile	Single operation	List all markers on the active sequence or a specific clip
`list_project_items`	Default profile	Single operation	List all items in the project panel (clips, bins, sequences)
`list_sequence_tracks`	Default profile	Single operation	List all tracks (video and audio) in a sequence
`list_sequences`	Default profile	Single operation	List all sequences in the project
`lock_track`	Default profile	Single operation	Lock or unlock a video track
`manage_project_context`	Default profile	`capture`, `enrich`, `status`, `clear`	Capture, enrich, inspect, or clear a durable local Premiere project-context index. Capture stores bounded active-sequence/source metadata; enrich adds transcripts, shots, audio observations, or notes without re-analyzing unchanged sources. Never include secrets or unrelated customer data.
`manage_proxies`	Default profile	`create`, `attach`, `toggle`	Create, attach, or toggle proxies for a project item. Note: 'create' only requests a proxy encode from Adobe Media Encoder and returns an unverified handoff. Independently verify the AME queue or output file before calling this tool again with action 'attach' and proxy_path set to the output_path you passed here. There is no single-call create-and-attach in Premiere's ExtendScript API.
`match_frame`	Default profile	`track_type`: `video`, `audio`	Get source media info for the frame at the current playhead on a specific track. Useful for match frame operations.
`move_clip`	Default profile	Single operation	Move a clip to a new position on the timeline
`move_clip_to_track`	Default profile	Single operation	Move a clip to a different track. Uses QE DOM.
`move_item_to_bin`	Default profile	Single operation	Move a project item to a different bin
`move_items_to_bin`	Default profile	Single operation	Move multiple project items to a target bin at once.
`move_playhead_to_edit`	Default profile	`direction`: `next`, `previous`	Move the playhead to the next or previous edit point.
`multiple_undo`	Default profile	Single operation	Unavailable: Premiere exposes no supported, observable undo-stack API for multiple scripted undo steps.
`mute_track`	Default profile	Single operation	Mute or unmute an audio track
`nest_clips`	Default profile	Single operation	Unavailable on the legacy CEP backend: Premiere's documented createSubsequence API only creates a separate sequence and cannot safely replace the selected timeline clips with a nested-sequence reference.
`normalize_loudness_file`	Default profile	Single operation	Create a new loudness-normalized media derivative with FFmpeg, then remeasure that exact output using EBU R128. Never overwrites the input or an existing output file.
`open_in_source`	Default profile	Single operation	Open a project item in the Source Monitor for preview and trimming.
`open_project`	Default profile	Single operation	Open a Premiere Pro project file
`overwrite_clip`	Default profile	Single operation	Overwrite a project item onto validated timeline tracks and verify a new source placement at the requested time
`overwrite_from_source`	Default profile	Single operation	Overwrite the clip from the Source Monitor at the playhead position (overwrite edit — replaces existing clips).
`ping`	Default profile	Single operation	Health check — verify the CEP plugin is running and connected to Premiere Pro. Call this before other tools to confirm connectivity.
`plan_shot_match`	Default profile	Single operation	Compare two bounded local-media frame samples and return measured waveform/parade/saturation deltas plus coarse correction directions. Read-only planning only; it does not grade Premiere or claim that primaries alone can match the shots.
`plan_silence_review_markers`	Default profile	Single operation	Create a bounded, non-mutating review plan that maps FFmpeg-detected source-media silences onto one known 1x timeline placement. It clips candidates to the supplied source in/out span, redacts the source path, and never adds markers, cuts clips, or changes Premiere.
`play_source_monitor`	Default profile	Single operation	Request playback of the clip in the Source Monitor. The legacy API does not provide a same-call position readback, so movement is not reported as verified.
`play_timeline`	Default profile	Single operation	Request playback of the active sequence timeline through QE. The legacy API does not provide a same-call playhead readback, so movement is not reported as verified.
`preview_brand_spot`	Default profile	`motion_style`: `none`, `push_in`, `pull_out`, `alternate`	Preview a brand-spot assembly from existing project items with an optional workspace-contained MOGRT overlay. Preview is local-only; it does not read or import the MOGRT file.
`preview_edit_plan`	Default profile	Single operation	Validate and preview a compound timeline edit without changing Premiere. Returns a confirmation token required by apply_edit_plan.
`preview_editorial_plan`	Default profile	Single operation	Revalidate an exact server-issued editorial plan against the saved project-context revisions and return an opaque confirmation token. This tool is read-only and cannot apply the plan.
`preview_motion_graphics_demo`	Default profile	Single operation	Preview a contained motion-graphics demo assembly from existing project items. It never creates demo assets, imports files, creates a sequence, or changes Premiere; apply requires an exact confirmation token.
`preview_product_spot`	Default profile	`motion_style`: `none`, `push_in`, `pull_out`, `alternate`	Preview a product-spot assembly from existing project items. The eventual apply is limited to explicit empty tracks, revalidates item IDs, and reports host readback without claiming visual delivery verification.
`preview_project_intake`	Default profile	Single operation	Inspect a bounded Premiere project against an explicit facility intake template and return a path-redacted report plus a non-mutating organization proposal. It never changes Premiere or persists the template.
`razor_all_tracks`	Default profile	`track_type`: `video`, `audio`, `both`	Razor (split) all clips at the playhead position across all tracks, or at a specific time.
`read_sequence_captions`	Default profile	Single operation	Diagnose whether the active Premiere scripting host can enumerate caption tracks. It never treats an empty result as proof that the sequence has no captions, because most CEP builds expose caption creation but not caption reads.
`read_video_scopes`	Default profile	Single operation	Read waveform percentiles, RGB parade percentiles, saturation, and near-black/near-white RGB occupancy from one bounded decoded local-media frame. Read-only; this is a sampled analytical proxy, not Premiere's rendered scopes.
`redo`	Default profile	Single operation	Redo the last undone action in Premiere Pro.
`refresh_media`	Default profile	Single operation	Refresh a project item to pick up changes to the source file
`relink_media`	Default profile	Single operation	Relink an offline media item to a new file path
`remove_all_effects`	Default profile	Single operation	Remove ALL effects from a clip. Uses QE DOM.
`remove_effect`	Default profile	Single operation	Remove an effect from a clip by its index or name. Returns a capability error when the host cannot remove an individual component.
`remove_effect_by_name`	Default profile	Single operation	Remove all instances of a specific effect from a clip by display name. Returns a capability error when the host cannot remove individual components.
`remove_from_timeline`	Default profile	Single operation	Remove a clip from the timeline
`remove_keyframe`	Default profile	Single operation	Remove a keyframe at a specific time from an effect property
`remove_keyframe_range`	Default profile	Single operation	Remove all keyframes in a time range from an effect property
`remove_selected_clips`	Default profile	Single operation	Remove all currently selected clips from the timeline.
`rename_bin`	Default profile	Single operation	Rename a bin (folder) in the project panel
`rename_clip`	Default profile	Single operation	Rename a clip on the timeline. Uses QE DOM.
`rename_project_item`	Default profile	Single operation	Rename a project item in the project panel.
`rename_track`	Default profile	`track_type`: `video`, `audio`	Rename a video or audio track.
`replace_clip`	Default profile	Single operation	Replace a clip on the timeline with a different project item, preserving position and duration
`replace_clip_media`	Default profile	Single operation	Unavailable by design: the legacy ExtendScript overwrite route cannot prove that replacing media preserves the original clip's trim, position, linked audio, or adjacent clips, so this tool performs no mutation.
`reverse_clip`	Default profile	Single operation	Unavailable: Premiere does not expose a supported scripting API for reversing a timeline clip's playback direction.
`ripple_delete`	Default profile	Single operation	Ripple delete a clip (removes clip and closes the gap). Uses QE DOM.
`roll_edit`	Default profile	Single operation	Perform a verified roll edit at the outgoing cut of a clip using the public timeline DOM.
`save_project`	Default profile	Single operation	Save the current Premiere Pro project
`save_project_as`	Default profile	Single operation	Save the current project to a new location
`scene_edit_detection`	Default profile	`CreateMarkers`, `ApplyCuts`	Perform scene edit detection on the selected clips in the active sequence. Defaults to creating markers rather than cutting.
`search_project_context`	Default profile	Single operation	Search a durable Premiere project-context index for relevant sources, timeline placements, transcript passages, shots, audio observations, and notes. Returns bounded evidence with stable IDs and revisions; it never changes Premiere.
`search_project_items`	Default profile	`item_type`: `clip`, `bin`, `all`	Search for project items by name, media file extension, offline status, or color label. Returns matching items with full details.
`select_all_clips`	Default profile	`track_type`: `video`, `audio`, `both`	Select all clips in the active sequence, or all clips on a specific track.
`select_clips_by_color`	Default profile	Single operation	Select all clips whose source project item has a specific color label.
`select_clips_by_name`	Default profile	`track_type`: `video`, `audio`, `both`	Select all clips in the active sequence that match a name (substring match). Optionally filter by track type and index.
`select_clips_in_range`	Default profile	`track_type`: `video`, `audio`, `both`	Select all clips that overlap a time range in the active sequence.
`select_disabled_clips`	Default profile	Single operation	Select all disabled clips in the active sequence.
`select_item`	Default profile	Single operation	Select a project item in the Project panel
`set_active_sequence`	Default profile	Single operation	Set the active sequence by name or ID
`set_all_tracks_targeted`	Default profile	`track_type`: `video`, `audio`, `both`	Set all tracks targeted or untargeted. Useful before insert/overwrite edits.
`set_anti_alias_quality`	Default profile	Single operation	Set the anti-alias quality on a clip's Motion effect (useful for scaled/rotated clips).
`set_blend_mode`	Default profile	`blend_mode`: `Normal`, `Dissolve`, `Darken`, `Multiply`, `Color Burn`, `Linear Burn`, `Darker Color`, `Lighten`, `Screen`, `Color Dodge`, `Linear Dodge`, `Lighter Color`, `Overlay`, `Soft Light`, `Hard Light`, `Vivid Light`, `Linear Light`, `Pin Light`, `Hard Mix`, `Difference`, `Exclusion`, `Subtract`, `Divide`, `Hue`, `Saturation`, `Color`, `Luminosity`	Set the blend mode on a video clip. Uses the Opacity effect's Blend Mode property.
`set_clip_anchor_point`	Default profile	Single operation	Set the Anchor Point property on a video clip's Motion effect.
`set_clip_opacity`	Default profile	Single operation	Set the opacity of a video clip (0-100).
`set_clip_pan`	Default profile	Single operation	Set and read back the pan (left/right balance) on an audio clip, including Channel Volume layouts.
`set_clip_position`	Default profile	Single operation	Set the Position property on a video clip's Motion effect. Values are in pixels.
`set_clip_properties`	Default profile	Single operation	Set supported clip properties (opacity, scale, position, rotation). Clip speed is unsupported and fails before mutation.
`set_clip_properties_batch`	Default profile	Single operation	Apply Motion/Opacity values to up to 16 clips after preflighting every target property. The handler reads each requested value back and never reports a partial batch as verified.
`set_clip_rotation`	Default profile	Single operation	Set the Rotation property on a video clip's Motion effect.
`set_clip_scale`	Default profile	Single operation	Set the Scale property on a video clip's Motion effect.
`set_clip_selection`	Default profile	Single operation	Select or deselect a clip in the active sequence
`set_clip_speed_qe`	Default profile	Single operation	Unavailable: Premiere does not expose a supported scripting API for changing a timeline clip's speed.
`set_clip_start_time`	Default profile	Single operation	Set the start time (timecode offset) of a project item. This shifts where timecode begins for the source media.
`set_clip_volume`	Default profile	Single operation	Set an audio clip's Volume > Level in dB. Does not read or change Essential Sound Amplify automation.
`set_clips_volume`	Default profile	Single operation	Set the volume (in dB) on every audio clip of a track, or on a list of clip indices. One round trip instead of one call per clip - essential for sequences with dozens of clips.
`set_color_label`	Default profile	Single operation	Set the color label on a project item or clip
`set_color_value`	Default profile	Single operation	Set a color value on an effect property (e.g., tint color, fill color)
`set_effect_property`	Default profile	Single operation	Set the value of a specific effect property on a clip
`set_footage_interpretation`	Default profile	Single operation	Set footage interpretation settings for a project item
`set_frame_blend`	Default profile	Single operation	Enable or disable frame blending on a clip. Uses QE DOM.
`set_graphics_white_luminance`	Default profile	Single operation	Set the graphics white luminance value (HDR setting) for the project
`set_item_in_out`	Default profile	Single operation	Set in and/or out points on a project item in the project panel (marks source range for editing).
`set_keyframe_interpolation`	Default profile	`interpolation`: `linear`, `hold`, `bezier`	Set the interpolation type of a keyframe (Linear, Hold, or Bezier)
`set_metadata`	Default profile	Single operation	Replace project metadata XML on a project item and verify the exact readback. Partial field/value writes are intentionally rejected because Premiere requires a complete Project Metadata XML payload.
`set_offline`	Default profile	Single operation	Set a project item offline, or ask Premiere to refresh it back online when offline is false.
`set_override_frame_rate`	Default profile	Single operation	Override the frame rate of a project item (useful for image sequences or misinterpreted media)
`set_override_pixel_aspect_ratio`	Default profile	Single operation	Override the pixel aspect ratio of a project item
`set_playhead_position`	Default profile	Single operation	Set the playhead (CTI) position in the active sequence
`set_poster_frame`	Default profile	Single operation	Set the poster frame (thumbnail) for a project item at a specific time.
`set_project_item_audio_channel_mapping`	Default profile	Single operation	Map one output audio channel of a project item to a source channel using Premiere's documented AudioChannelMapping API.
`set_project_panel_metadata`	Default profile	Single operation	Set the project panel metadata/column configuration from XML and verify that Premiere reads back the exact XML
`set_project_scratch_disk`	Default profile	Single operation	Set the project's scratch disk paths for captured video, audio, and previews.
`set_scale_to_frame_size`	Default profile	Single operation	Enable 'Scale to Frame Size' on a project item so it fills the sequence frame
`set_scale_width_height`	Default profile	Single operation	Set independent Scale Width and Scale Height on a clip (requires Uniform Scale to be OFF).
`set_scratch_disk_path`	Default profile	Single operation	Set the scratch disk path for a specific media type
`set_sequence_audio_settings`	Default profile	Single operation	Change audio settings of the active sequence (sample rate, channel type).
`set_sequence_display_format`	Default profile	Single operation	Set the timecode display format for the active sequence.
`set_sequence_field_type`	Default profile	Single operation	Set the field order of the active sequence.
`set_sequence_frame_rate`	Default profile	Single operation	Change the frame rate of the active sequence.
`set_sequence_in_out_points`	Default profile	Single operation	Set the sequence in and out points (for export range, etc.)
`set_sequence_pixel_aspect_ratio`	Default profile	Single operation	Change the pixel aspect ratio of the active sequence, or return a capability error when the legacy host does not expose a writable setting.
`set_sequence_resolution`	Default profile	Single operation	Change the resolution (frame size) of the active sequence.
`set_sequence_settings`	Default profile	Single operation	Modify and read back sequence frame-size settings.
`set_source_in_out`	Default profile	Single operation	Set in and/or out points on the clip currently open in the Source Monitor.
`set_start_time`	Default profile	Single operation	Set the start time (timecode offset) for a project item
`set_target_track`	Default profile	`track_type`: `video`, `audio`	Set a track as targeted (active for insert/overwrite edits). Only one video and one audio track can be targeted at a time.
`set_time_interpolation`	Default profile	Single operation	Set time interpolation type for a clip (Frame Sampling, Frame Blending, Optical Flow). Uses QE DOM.
`set_transcode_on_ingest`	Default profile	Single operation	Enable or disable transcoding on ingest for the project
`set_uniform_scale`	Default profile	Single operation	Toggle uniform scale on a clip's Motion effect. When enabled, Scale Width and Scale Height are linked.
`set_work_area`	Default profile	Single operation	Set the work area (bar) in and out points
`set_workspace`	Default profile	Single operation	Switch to a specific workspace layout (e.g., 'Editing', 'Color', 'Audio', 'Effects', 'Graphics')
`set_xmp_metadata`	Default profile	Single operation	Merge a raw XMP XML patch into a project item's existing XMP metadata without removing unrelated fields.
`set_zero_point`	Default profile	Single operation	Set the starting timecode (zero point) of a sequence
`setup_ducking`	Default profile	Single operation	Build a verified Volume > Level keyframe curve for one audio clip. Ducking-window times are relative to that clip's start; overlapping or out-of-range windows are rejected before any keyframe write.
`slide_edit`	Default profile	Single operation	Perform a verified slide edit on a clip using adjacent clips from the public timeline DOM.
`slip_edit`	Default profile	Single operation	Perform a verified slip edit on a clip using public source in/out properties.
`speed_change`	Default profile	Single operation	Unavailable: Premiere does not expose a supported scripting API for changing a timeline clip's speed.
`split_clip`	Default profile	`track_type`: `video`, `audio`	Split every clip on one track that spans a timeline time, then verify both resulting boundaries. Requires QE DOM; effect-keyframe redistribution remains unverified.
`stabilize_clip`	Default profile	`method`: `Subspace Warp`, `Position`, `Position, Scale, Rotation`	Apply the Warp Stabilizer effect to a clip for video stabilization. Uses QE DOM.
`start_batch_encode`	Default profile	Single operation	Request Adobe Media Encoder to start the render queue; reports only accepted handoff, not queue progress or output-file creation.
`stop_playback`	Default profile	Single operation	Request that active-sequence timeline playback stop through QE. The legacy API does not provide a same-call playhead readback, so stopped state is not reported as verified.
`toggle_track_visibility`	Default profile	Single operation	Toggle a video track's visibility (eye icon)
`trim_clip`	Default profile	`keyframe_policy`: `reject`, `preserve`	Trim exactly one source in/out point and verify the corresponding visible timeline edge. Refuses retimed clips and, by default, trims that would leave effect keyframes outside the visible clip.
`undo`	Default profile	Single operation	Undo the last action in Premiere Pro
`unlink_selection`	Default profile	Single operation	Unlink the currently selected video and audio clips in the active sequence
`unnest_sequence`	Default profile	Single operation	Unnest a nested sequence on the timeline, replacing it with the contents of the nested sequence
`update_marker`	Default profile	Single operation	Update an existing marker's properties
`validate_cmx3600_edl`	Default profile	Single operation	Validate a local CMX 3600 EDL's supported event grammar, timecodes, durations, duplicate event IDs, record overlaps, and record gaps before user-assisted Premiere interchange.
`validate_export_preset`	Default profile	Single operation	Validate that an Adobe Media Encoder .epr preset exists and ask the active Premiere sequence which output extension it produces
`validate_project_for_export`	Default profile	Single operation	Run a non-mutating export readiness audit for an active or named sequence. It reports blocking offline media, empty timelines, inaccessible preset/output paths, duration, and optional timeline gaps without queuing an export.
`verify_delivery_conformance`	Default profile	Single operation	Verify a local exported file against an explicit delivery contract using ffprobe and optional EBU R128 analysis. Returns pass, fail, or not_evaluated per check; it does not prove Premiere render lineage or visual approval.
`verify_delivery_file`	Default profile	`checksum_algorithm`: `sha256`, `sha512`	Verify that an exported delivery is a non-empty regular file and calculate a SHA-256 or SHA-512 checksum; optionally compare expected size and checksum
`verify_fcpxml_media_references`	Default profile	Single operation	Verify FCPXML file:// media references only inside caller-approved existing roots. References outside those roots are never statted or exposed as local paths.
`verify_premiere_connection`	Default profile	`backend`: `cep`, `uxp`	Run a safe, read-only first-run check. It proves that this MCP server, the selected Premiere bridge, an active project, and an active sequence are connected without returning project names, paths, or media details.
`evaluate_expression`	Requires `unsafe-script`	Single operation	Evaluate a simple ExtendScript expression and return its value. Use for quick queries like checking a property, getting a count, or reading state. The expression should be a single value/call — NOT a full script. Examples: - "app.project.name" → project name - "app.project.activeSequence.name" → active sequence name - "app.project.rootItem.children.numItems" → number of root items - "app.project.activeSequence.videoTracks.numTracks" → number of video tracks - "app.version" → Premiere Pro version
`execute_extendscript`	Requires `unsafe-script`	Single operation	Execute custom ExtendScript code in Premiere Pro. The code runs inside an IIFE with helper functions available. IMPORTANT: You MUST write ES3 syntax (var instead of let/const, no arrow functions, no template literals, no destructuring). Available helpers (auto-prepended): - __ticksToSeconds(ticks) / __secondsToTicks(seconds) — time conversion - __ticksToTimecode(ticks, fps) — timecode string - __findSequence(idOrName) — find sequence by name or ID - __findProjectItem(nodeIdOrName) — find project item recursively - __findClip(nodeId) — find clip in active sequence, returns {clip, trackIndex, clipIndex, trackType} - __getAllClips(seq) — get all clips in a sequence - __result(data) — return success with data (MUST call this or __error) - __error(msg) — return error message - TICKS_PER_SECOND — constant 254016000000 - app.enableQE() — enable QE DOM access Your code MUST end with: return __result({...}) or return __error("message") Example: Set opacity to 50% on all video clips var seq = app.project.activeSequence; if (!seq) return __error("No active sequence"); var count = 0; for (var t = 0; t < seq.videoTracks.numTracks; t++) { var track = seq.videoTracks[t]; for (var c = 0; c < track.clips.numItems; c++) { var clip = track.clips[c]; for (var i = 0; i < clip.components.numItems; i++) { var comp = clip.components[i]; if (comp.displayName === "Opacity") { for (var p = 0; p < comp.properties.numItems; p++) { if (comp.properties[p].displayName === "Opacity") { comp.properties[p].setValue(50, true); count++; } } } } } } return __result({updated: count});

Authenticated UXP actions

These tools are additive. They appear only while the local loopback UXP bridge is authenticated and the connected host advertises the required command capabilities.

MCP tool	Availability	Actions or modes	Description
`add_video_transition_uxp`	Connected UXP	`position`: `start`, `end`	Add an installed native video transition to one unchanged video-clip edge through one undoable UXP transaction. Requires an exact inspect snapshot, serializes transition updates per sequence, and reads edge presence back; it does not prove handles, rendered appearance, or playback.
`apply_beat_markers_uxp`	Connected UXP	Single operation	Apply a reviewed beat grid as native sequence markers in one undoable Premiere 26.3+ UXP transaction, with bounded inputs and GUID/time readback for every marker.
`apply_editorial_organization_plan`	Connected UXP	Single operation	Apply selected organization recommendations through documented UXP bin transactions only. Requires the unchanged server-issued plan, its opaque preview confirmation token, and stable source/parent guards; individual host transactions may be partially committed and are never silently retried or rolled back.
`audit_object_masks_uxp`	Connected UXP	Single operation	Audit documented Object Mask presence across up to 64 Premiere sequences without changing the project. Omit sequence_ids only when the entire active project has at most 64 sequences; otherwise pass explicit exact GUIDs. The bridge double-reads the active-project identity, aggregate result, and every selected sequence result, rejecting drift instead of returning a mixed audit. It reports only yes/no presence—not mask count, location, tracking, editability, rendered pixels, or playback correctness.
`audition_source_monitor_uxp`	Connected UXP	`state`, `open_project_item`, `open_file`, `set_position`, `play`, `close`, `close_all`	Open a selected project item or approved file, inspect/set position, play at bounded speed, or close Source Monitor media through documented UXP APIs.
`automate_effect_parameters_uxp`	Connected UXP	`inspect`, `inspect_point_value`, `inspect_point_displacement`, `set_point_value`, `inspect_color_value`, `set_color_value`, `inspect_keyframe`, `set_value`, `add_keyframe`, `remove_keyframe`, `remove_keyframe_range`, `set_interpolation`, `inspect_time_varying`, `set_time_varying`	Inspect or transactionally set scalar effect parameters; inspect or guardedly set static PointF x/y and Color RGBA parameters; locate individual keyframes including a bounded native nearest-range lookup; adjust keyframes/interpolation; and control explicit time-varying animation mode through documented UXP actions. Disabling animation requires a complete inspected keyframe-time snapshot and confirmation.
`batch_selected_clips_uxp`	Connected UXP	`inspect`, `add_effect`, `remove_effect`	Inspect the current timeline selection or apply one native effect add/remove across up to 64 same-type selected clips as a single compound transaction.
`calculate_tick_time_uxp`	Connected UXP	`operation`: `add`, `subtract`, `multiply`, `divide`	Calculate one bounded add, subtract, multiply, or divide operation using Premiere's documented native TickTime arithmetic over canonical tick integers. It returns native ticks and seconds readback only. It deliberately does not accept seconds or frame rates, align to frames, infer timecode, inspect any Premiere project object, mutate Premiere, or prove a licensed host.
`configure_encoder_uxp`	Connected UXP	Single operation	Launch or configure Adobe Media Encoder and optionally start its queued batch using Premiere 26.3+.
`create_empty_sequence_uxp`	Connected UXP	Single operation	Create one empty/default sequence through the documented Premiere 26.3+ UXP API. This direct, non-undoable host call requires explicit confirmation and an operation_id; the host serializes capacity preflight through identity readback and replays the receipt safely.
`create_project_metadata_field_uxp`	Connected UXP	`inspect`, `create`	Inspect a bounded native Project-panel schema or request one typed Project metadata field through Adobe's documented direct UXP API. Creation requires the exact inspected project GUID/XML, explicit confirmation, and a replay key; it is non-undoable and reports host acceptance plus schema-change readback without claiming field-level verification or atomic compare-and-set semantics.
`create_sequence_with_preset_uxp`	Connected UXP	Single operation	Create and verify a sequence from a preset path using the documented Premiere 26.3+ UXP API.
`create_silence_cut_source_stringout_uxp`	Connected UXP	Single operation	Create a new single-source rough-cut stringout from reviewed silence ranges using documented Premiere 26.3+ hard-bounded linked A/V subclips. It does not preserve or modify an existing edited timeline.
`create_subclip_uxp`	Connected UXP	Single operation	Create and verify a Premiere 26.3+ subclip in an undoable transaction. Prefer project_item_id; a name must resolve to exactly one media clip.
`detect_object_masks_uxp`	Connected UXP	`scope`: `sequence`, `project`	Detect whether the active project or sequence contains an Object Mask using Premiere 26.3+.
`detect_scene_edits_uxp`	Connected UXP	`mode`: `apply_cuts`, `create_markers`, `create_subclips`	Run Premiere's documented scene-edit detection on the current timeline selection using cuts, markers, or subclips. This direct host mutation is not claimed undoable.
`duplicate_track_item_uxp`	Connected UXP	`inspect`, `apply`	Inspect or append one guarded duplicate of the final audio or video clip on a track using documented UXP SequenceEditor actions. Apply requires the complete source snapshot, explicit confirmation, and an operation ID; it serializes with guarded slips and slides on that track, commits one transaction, and reads back only the original and appended item. It intentionally cannot duplicate into an occupied range, another track, or a linked A/V pair. It does not prove media handles, linked A/V synchronization, rendered frames, playback, persistence, or Undo behavior.
`edit_timeline_uxp`	Connected UXP	`insert`, `overwrite`, `clone_selection`, `remove_selection`, `insert_mogrt_path`, `insert_mogrt_library`	Use the documented SequenceEditor to insert, overwrite, clone, remove, or insert MOGRT content without undocumented QE calls.
`encode_media_uxp`	Connected UXP	`preflight`, `jobs`, `wait`, `sequence`, `project_item`, `file`	Preflight, queue, or inspect and wait for conservatively correlated AME receipts inside the approved workspace. A terminal event is not output-file verification.
`export_aaf_uxp`	Connected UXP	Single operation	Export the active sequence as AAF through Premiere 26.3+ UXP with bounded, typed AAF options. Premiere confirms the request, but arbitrary native output paths cannot be statted by the panel.
`export_frame_uxp`	Connected UXP	Single operation	Export a sequence frame through Premiere's supported UXP Exporter and verify the output file in the host panel.
`export_interchange_uxp`	Connected UXP	`format`: `otio`, `fcpxml`	Export the active sequence as OpenTimelineIO or Final Cut Pro XML with explicit verification.
`get_clip_transcript_uxp`	Connected UXP	Single operation	Export Premiere's native transcript JSON for one source media clip. Returns a revision hash that must be used when previewing transcript edits. This is read-only and does not run Speech-to-Text.
`get_transcript_languages_uxp`	Connected UXP	Single operation	List transcription languages supported by the connected Premiere 26.3+ host.
`get_uxp_capabilities`	Connected UXP	Single operation	Report the authenticated local UXP bridge connection and the capabilities advertised by the connected Premiere host.
`get_uxp_state`	Connected UXP	Single operation	Read the active project, sequence, and playhead state through the connected Premiere UXP bridge.
`get_uxp_workspace_access`	Connected UXP	Single operation	Report whether the Premiere panel has an operator-approved persistent workspace folder. The native path and persistent token are never returned.
`has_transcript_uxp`	Connected UXP	Single operation	Check whether a source media clip has a transcript, preferring Premiere 26.3's documented native API when available.
`import_project_media_uxp`	Connected UXP	`files`, `sequences`, `ae_comps`, `all_ae_comps`	Import workspace-contained media files, sequences, or After Effects compositions through documented Project APIs with post-state evidence.
`import_transcript_uxp`	Connected UXP	Single operation	Replace one source media clip's native transcript JSON through documented Premiere 26.3+ UXP APIs. Use project_guid and transcript_revision returned by get_clip_transcript_uxp, or project_guid plus a null expected_transcript_revision from has_transcript_uxp for an untranscribed clip. This destructive import requires explicit confirmation and an operation_id, serializes competing imports for the same project item, runs one undoable transaction, and reports exact bounded export SHA-256 readback rather than claiming a licensed-host result.
`inspect_caption_tracks_uxp`	Connected UXP	Single operation	Inventory native caption tracks on the active sequence through documented Premiere UXP APIs. Returns track identity, name, mute state, and item count only; it does not inspect cue text, timing, rendered appearance, or caption correctness.
`inspect_effect_parameter_catalog_uxp`	Connected UXP	`media_type`: `video`, `audio`	Inspect the bounded native descriptor catalog for one effect component on one active-sequence audio or video clip. The returned parameter index and display name can be used with existing parameter automation. It returns only animation capability/state, never raw parameter values (including Color or PointF), media paths, rendered pixels, or playback results. The bridge reads the complete catalog twice and rejects a changed project, active sequence, component identity, or parameter descriptor set.
`inspect_frame_alignment_uxp`	Connected UXP	`align`, `frame`	Use Premiere's documented native TickTime and FrameRate APIs to either align one bounded requested time down or to the nearest frame boundary, or construct the exact TickTime for one frame count. This is read-only, uses only caller-owned inputs, and returns native seconds and tick-string readback; it does not inspect a sequence, infer its frame rate, change Premiere, or prove a licensed host.
`inspect_installed_mogrt_directory_uxp`	Connected UXP	Single operation	Inspect whether Premiere exposes its documented installed MOGRT directory. The native path is redacted unless include_path is explicitly true. This tool never enumerates the directory, reads its files, imports a template, or changes Premiere; a returned path is not proof that templates are usable or compatible.
`inspect_premiere_environment_uxp`	Connected UXP	Single operation	Inspect After Effects interoperability and the active Premiere project's current and supported graphics-white luminance values through documented read-only UXP APIs.
`inspect_premiere_events_uxp`	Connected UXP	`list`, `wait`	List or briefly wait for bounded, redacted Premiere host-event receipts without polling the complete project state. Compatible hosts can also emit timeline.snap.* receipts plus operation.clip.extend.reached and coalesced operation.effect.drag.over receipts for documented root notifications; raw event payloads are never returned.
`inspect_project_insertion_bin_uxp`	Connected UXP	Single operation	Read the current Project-panel insertion bin through documented Premiere UXP APIs. Returns only the active-project GUID and insertion-bin ID, name, and type; it does not traverse project folders, reveal media paths, or change Premiere. The panel target is read twice and the command rejects a project or target change while snapshotting.
`inspect_project_panel_metadata_uxp`	Connected UXP	`panel`, `item_columns`	Read bounded native Project-panel metadata: either the active project's panel schema or one media item's column metadata. This is read-only; it neither creates metadata schema fields nor writes Project-panel state.
`inspect_project_selection_uxp`	Connected UXP	`views`, `selection`	List Premiere Project-panel views or inspect up to 256 selected project items without traversing the complete project tree.
`inspect_project_tree_uxp`	Connected UXP	Single operation	Read a bounded, depth-limited native Project-panel tree rooted at the active project. Returns stable IDs, names, types, parent IDs, bin state, and optional color-label indexes only; it never returns media paths, metadata, or rendered media.
`inspect_project_uxp`	Connected UXP	Single operation	Read a compact, revisioned project and sequence snapshot through documented Premiere UXP APIs.
`inspect_sequence_structure_uxp`	Connected UXP	`media_type`: `all`, `video`, `audio`	Read a bounded native UXP timeline structure for one sequence: selected video and/or audio tracks with clip timing and state. Opt in to source Project-item IDs only when needed, then optionally classify those sources as sequence, merged, multicam, or offline or return their documented broad content category (any, sequence, or media); a further opt-in returns only a nested source sequence GUID when that classification is exactly sequence. No Project-panel metadata, names, type codes, paths, nested timeline content, or traversal are read. track_counts contains only the requested media types, never a zero placeholder for an unqueried type. The response is capped at 64 tracks and 512 items, omits components, rendered pixels, audio analysis, and caption cues, and is not a locked cross-object snapshot or proof of playback or editorial correctness.
`inspect_sequence_timing_by_guid_uxp`	Connected UXP	Single operation	Read one known sequence's bounded native timing and backing Project-item identity, including a non-active sequence without activating it. It resolves the exact GUID through the documented Project API, requires a matching project/sequence identity after the asynchronous reads, and rejects any timing change between complete first and final snapshots. It does not modify Premiere, prove an atomic host snapshot, or validate a licensed host.
`inspect_sequence_timing_uxp`	Connected UXP	Single operation	Read the active sequence's native frame size, timebase, audio/video time-display codes, and backing Project-item identity. The command rejects malformed host values or a final active-sequence mismatch; it does not modify Premiere, claim a locked snapshot, or detect a transient switch that returns to the same active sequence.
`inspect_source_media_provenance_uxp`	Connected UXP	Single operation	Read selected documented source-media provenance paths for one explicit media-backed Project item. At least one explicit include flag is required before either native path is queried or returned. The command resolves the requested item through a bounded Project-item tree twice and rejects a changed project, target item, or requested path; it does not enumerate folders in its response, access the filesystem, inspect media contents or metadata, validate a path's existence, modify Premiere, prove an atomic snapshot, origin lineage, rights, persistence, or licensed-host behavior.
`inspect_source_proxy_uxp`	Connected UXP	Single operation	Read documented proxy-readiness state for one explicit media-backed Project item. Proxy attachment state, offline state, and native capability booleans are read twice through a bounded Project-item tree; a native proxy path is queried and returned only when include_proxy_path is true and a proxy is reported attached. The command rejects changed project, target, or selected proxy state. It does not enumerate folders in its response, does not access the filesystem, validate a path's existence, inspect media contents, attach or relink proxy media, modify Premiere, prove an atomic snapshot, proxy compatibility, playback, persistence, Undo, or licensed-host behavior.
`inspect_track_item_identity_uxp`	Connected UXP	`media_type`: `video`, `audio`	Inspect one active-sequence clip's native match name, item type, media UUID, reported track index, and selection state through documented UXP APIs. It rechecks the active sequence identity before returning and does not expose media paths, effect parameters, or rendered output.
`inspect_unique_object_identity_uxp`	Connected UXP	Single operation	Read the opaque documented Premiere unique serializable identity for exactly one existing project item or sequence, without changing the project. Select exactly one locator. The bridge independently resolves and reads the target twice, rejecting an active-project, locator, or unique-identity change rather than returning a mixed snapshot. It does not expose paths, metadata, content, timeline placement, editability, rendering, playback, persistence guarantees, or a licensed-host result.
`inspect_video_transition_uxp`	Connected UXP	`position`: `start`, `end`	Read one bounded native video-transition target, including the active sequence GUID, source item ID, timeline edges, and presence at one requested edge. Copy this snapshot unchanged into add_video_transition_uxp or remove_video_transition_uxp.
`lift_selection_uxp`	Connected UXP	Single operation	Lift the current timeline selection through Premiere's documented UXP SequenceEditor. This removes selected items without ripple in one undoable transaction; transaction acceptance is not a timeline readback.
`list_markers_uxp`	Connected UXP	`scope`: `sequence`, `project_item`	List Premiere markers with stable 26.3+ GUIDs from the active sequence or one source media clip. Web-link URLs/frame targets and raw marker RGBA components are returned only with explicit opt-in; URLs can contain sensitive query data, and color components are host values without a color-profile or rendered-appearance claim.
`list_video_transitions_uxp`	Connected UXP	Single operation	List the installed native video-transition match names from the connected Premiere UXP host.
`maintain_media_health_uxp`	Connected UXP	`inspect`, `refresh`, `set_offline`, `find_by_media_path`	Inspect up to 64 source media items, refresh them serially, transactionally set them offline, or find project items matching an approved media path. Native paths are redacted unless explicitly requested; opt-in media timing is read-only, bounded, and runtime-compatible.
`make_split_edit_uxp`	Connected UXP	`kind`: `j_cut`, `l_cut`	Create an undoable J-cut or L-cut by extending one aligned 1x audio item while preserving source sync, with atomic UXP actions and edge/source readback.
`manage_app_preferences_uxp`	Connected UXP	`inspect`, `set`	Inspect or explicitly set one of Premiere's three documented AppPreference keys. Setting is a direct, non-undoable application-state change: copy the native string returned by inspect, choose persistence deliberately, confirm the change, and provide an operation_id for replay-safe dispatch. Competing writes to the same named preference serialize and are read back exactly.
`manage_clip_effects_uxp`	Connected UXP	`catalog`, `inspect`, `add`, `remove`	List native audio/video effects, inspect one clip's component chain, or add/remove one effect in a locked Premiere UXP transaction.
`manage_color_conformance_uxp`	Connected UXP	`preflight`, `update`	Preflight project graphics-white/LUT/footage interpretation state, or update bounded footage-conformance fields in one undoable UXP transaction.
`manage_growing_media_uxp`	Connected UXP	`status`, `pause`, `resume`	Inspect, pause under a bounded lease, or resume Premiere growing-media swaps. Pause expires within ten minutes and is resumed on ordinary panel or bridge shutdown; status is panel-local and never claims a host readback.
`manage_markers_uxp`	Connected UXP	`inspect`, `add`, `update`, `remove`, `remove_many`	Inspect, add, update/move, remove, or explicitly review-then-remove a bounded marker batch by stable GUID using documented, undoable Premiere actions; mutations for one marker owner are serialized through preflight and readback.
`manage_metadata_uxp`	Connected UXP	`get`, `update`	Read bounded project/XMP metadata or update either form together in one locked, undoable Premiere transaction with readback evidence.
`manage_project_panel_metadata_uxp`	Connected UXP	`inspect`, `update`	Inspect or guardedly replace native Project-panel metadata. Update requires the exact inspected project GUID and XML, explicit confirmation, a replay key, local per-project serialization, and exact native readback; Premiere does not expose an atomic compare-and-set for this direct non-undoable setter.
`manage_project_sessions_uxp`	Connected UXP	`list`, `validate`, `create`, `open`, `save`, `save_as`, `branch_copies`, `close`	List or explicitly create, open, save, branch, and close Premiere project sessions. Path writes stay inside the approved UXP workspace; Save As handle changes are read back and branch copies reopen the source after every copy.
`manage_proxy_ingest_uxp`	Connected UXP	`inspect_proxy`, `attach_proxy`, `get_ingest`, `set_ingest`	Inspect or attach proxy/high-resolution media for one clip, or read/update project ingest state. Attach operations are non-undoable and workspace-contained.
`manage_sequence_display_format_uxp`	Connected UXP	`inspect`, `update`	Inspect or update a sequence's native audio/video time-display formats. Updates require the exact inspected sequence GUID and complete display-format snapshot, serialize competing updates per sequence, commit one undoable UXP transaction, and verify native readback. Cancellation is not supported after dispatch.
`manage_sequence_playhead_uxp`	Connected UXP	`inspect`, `set`	Inspect or set the active sequence player position through documented Premiere UXP APIs. Setting requires the sequence GUID and current position returned by inspect, serializes competing requests for that sequence, and verifies native readback; it changes player state only and makes no project-save or Undo claim.
`manage_sequence_preview_frame_uxp`	Connected UXP	`inspect`, `update`	Inspect or set one explicit sequence's documented preview-frame rectangle. Update requires the complete inspected snapshot, explicit confirmation, and an operation ID; it serializes preview-frame updates by reviewed project and sequence, commits one undoable settings transaction, then reads the same sequence back. It does not set sequence video dimensions, alter media or exports, prove rendered preview output, persistence, Undo behavior, or coordinate with Premiere UI or other extensions between native calls.
`manage_sequence_range_uxp`	Connected UXP	`inspect`, `update`	Inspect or update the active sequence's in, out, and zero points through documented Premiere UXP actions. Updates require the complete inspect snapshot, run in one undoable transaction, and return native readback; a runtime capability probe remains authoritative.
`manage_sequence_settings_uxp`	Connected UXP	`get`, `update`	Inspect sequence settings or apply a bounded settings profile in one documented, undoable UXP transaction with readback.
`manage_sequences_uxp`	Connected UXP	`inspect`, `create_from_media`, `clone`, `subsequence`, `activate`, `open`, `close`, `delete`	Inspect, create-from-media, clone, derive, activate, open, close, or explicitly delete sequences through documented stable UXP APIs.
`manage_source_clip_uxp`	Connected UXP	`inspect`, `update`	Inspect or transactionally update source-clip in/out points and request scale-to-frame for up to 64 media items. In/out values are read back; Adobe exposes no getter for clear or scale state, so those requests remain committed-unverified.
`manage_source_media_overrides_uxp`	Connected UXP	`inspect`, `update`	Inspect or transactionally set one source media item's explicit frame-rate and/or pixel-aspect-ratio override through stable Premiere 26.3 UXP actions. Updates require the complete effective-interpretation snapshot, explicit confirmation, an operation_id, per-item serialization, one undoable transaction, and native effective-value readback. Premiere does not expose an override-presence getter, so this tool cannot clear or distinguish an explicit override from matching file-native interpretation.
`manage_source_media_timing_uxp`	Connected UXP	`inspect`, `set_start`	Inspect or transactionally set one source media item's timecode start through stable Premiere 26.3 UXP APIs. Setting requires the exact bounded timing snapshot, explicit confirmation, one undoable transaction, per-item serialization, and native readback.
`manage_timeline_selection_uxp`	Connected UXP	`inspect`, `inspect_targets`, `replace`, `add`, `remove`, `clear`	Inspect, replace, add to, remove from, or clear the active sequence's native UXP clip selection with sequence and clip fingerprint stale-state guards.
`manage_timeline_source_label_uxp`	Connected UXP	`inspect`, `update`	Inspect or set the documented source Project-item color label resolved from one active audio or video timeline coordinate. Update requires the complete reviewed snapshot, explicit confirmation, and an operation ID; it serializes color-label changes by source item, commits one undoable transaction, then re-reads the coordinate and source label. A source label is project-global: another use of the same source can reflect the change. It does not label a timeline-only instance, change clip timing, prove rendered appearance, playback, persistence, or Undo behavior.
`manage_track_state_uxp`	Connected UXP	`inspect`, `set_mute`	Inspect audio, video, and caption track mute state or set one media type serially with stale-state preflight and per-track readback. Adobe exposes this as direct promises, so no undo transaction is claimed.
`manage_workflow_checkpoints_uxp`	Connected UXP	`has`, `get`, `set`, `clear`	Read or transactionally write small, namespaced workflow checkpoints on the active project or a targeted sequence. Persistent values may sync with cloud projects; never store secrets, native paths, transcripts, or media names.
`organize_project_items_uxp`	Connected UXP	`inspect_bin`, `create_bin`, `create_smart_bin`, `rename`, `move`, `set_color`, `remove`	Inspect a bin or transactionally create, rename, move, color-label, and remove project items with stable-ID guards.
`plan_transcript_rough_cut_uxp`	Connected UXP	Single operation	Build a revision-locked, non-mutating rough-cut plan from Premiere's native transcript and verified 1x sequence placements. The plan orders cuts from the end of the timeline, requires a duplicate sequence, and requires re-query after every mutation.
`preflight_production_storage_uxp`	Connected UXP	`preflight`, `configure_project`	Inspect project/Production scratch disks and ingest state, or set supported project scratch categories to Premiere's symbolic destinations in one undoable transaction.
`preview_transcript_edit_uxp`	Connected UXP	Single operation	Validate and merge source-time ranges selected from Premiere's native transcript. Returns a confirmation token and never changes the timeline. Automatic timeline application remains withheld until the source-to-sequence mapping is live-host verified.
`relink_offline_media_uxp`	Connected UXP	Single operation	Relink one offline clip to a workspace-contained media path after stale-path and capability checks. This Premiere API is non-undoable and requires explicit confirmation.
`remove_video_transition_uxp`	Connected UXP	`position`: `start`, `end`	Remove one unchanged native video-transition edge through one undoable UXP transaction. Requires an exact inspect snapshot, serializes transition updates per sequence, and reads edge absence back; it does not prove rendered appearance or playback.
`rename_track_uxp`	Connected UXP	`track_type`: `audio`, `video`, `caption`	Rename an audio, video, or caption track through Premiere 26.3+ UXP in an undoable transaction with name readback verification.
`ripple_delete_track_item_uxp`	Connected UXP	`inspect`, `apply`	Inspect or perform one guarded ripple delete on an audio or video timeline item using documented UXP SequenceEditor actions. Apply requires complete target and contiguous-successor snapshots, explicit confirmation, and an operation ID; it serializes with guarded slips, slides, and append duplicates on that track, commits one transaction, and reads back the successor at the removed coordinate. It intentionally cannot ripple a final item, a gap, another track, or a linked A/V pair. It does not prove media handles, linked A/V synchronization, rendered frames, playback, persistence, or Undo behavior.
`save_project_uxp`	Connected UXP	Single operation	Save the active project through UXP and require Premiere to confirm success.
`search_clip_transcript_uxp`	Connected UXP	Single operation	Search Premiere's native transcript JSON without modifying the clip or timeline.
`set_source_monitor_position_uxp`	Connected UXP	Single operation	Set and read back the Source Monitor position using Premiere 26.3+ UXP.
`slide_track_item_uxp`	Connected UXP	`inspect`, `apply`	Inspect or perform one guarded slide on an audio or video timeline item using documented UXP track-item actions. Apply requires the complete three-item snapshot, explicit confirmation, and an operation ID; it serializes slides and source-only slips on the affected track, commits one transaction, and verifies every affected source and timeline boundary. Only contiguous forward 1x clips are supported. It does not prove source handles, linked A/V synchronization, rendered frames, playback, persistence, or Undo behavior.
`slip_track_item_uxp`	Connected UXP	`inspect`, `apply`	Inspect or perform one guarded source-only slip on an audio or video timeline item. Apply requires the complete inspected snapshot, explicit confirmation, and an operation ID; it serializes slip operations per target, creates the documented source in/out actions in one undoable transaction, and reads back unchanged timeline timing plus the exact shifted source range. It supports only forward 1x clips, does not infer available media handles, and does not prove rendered frames, playback, linked-item sync, persistence, or Undo behavior.
`transform_track_item_uxp`	Connected UXP	`inspect`, `update`	Inspect or atomically move, trim, rename, and enable/disable one audio or video track item with stale-position guards and readback.
`wait_for_host_readiness_uxp`	Connected UXP	`snapshot`, `analysis`, `operation`	Capture a pre-dispatch readiness revision or wait, without retrying, for video-effect analysis or one documented operation-completion receipt.

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