feat: add codecommander python helpers and i18n

Author: Lukas Geiger

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 All notable changes to this project will be documented in this file.
 
+## Unreleased
+
+### Added
+- Add BACH-derived `cc_check_indentation` for Python indentation diagnostics.
+- Add BACH-derived `cc_generate_python_code` for template-based Python code snippets.
+- Replace Spanish, Simplified Chinese, Japanese, and Russian i18n fallbacks with maintained CodeCommander translations.
+- Update README, README_de, llms.txt, server metadata, i18n and security notes for 19 developer tools.
+- Extend the local Vitest suite to 154 tests.
+
 ## [1.3.12] - 2026-06-17
 
 ### Added

README.md

@@ -14,7 +14,7 @@
 
 A developer-focused **Model Context Protocol (MCP) server** that gives AI assistants code analysis, JSON repair, encoding fix, import organization, format conversion, file diff, and regex testing capabilities.
 
-**17 tools** optimized for developers - the coding companion to [FileCommander](https://github.com/ellmos-ai/ellmos-filecommander-mcp).
+**19 tools** optimized for developers - the coding companion to [FileCommander](https://github.com/ellmos-ai/ellmos-filecommander-mcp).
 
 **Discoverability:** Published on [npm](https://www.npmjs.com/package/ellmos-codecommander-mcp) as `ellmos-codecommander-mcp`, visible on [Glama](https://glama.ai/mcp/servers/b9kjs4uaav), and prepared for the official MCP Registry with [`server.json`](server.json) under `io.github.ellmos-ai/ellmos-codecommander-mcp`.
 
@@ -25,6 +25,7 @@ A developer-focused **Model Context Protocol (MCP) server** that gives AI assist
 While FileCommander handles filesystem operations, CodeCommander focuses on **code intelligence**:
 
 - **Python Code Analysis** - AST-based class/method extraction, complexity metrics, import analysis
+- **BACH-derived Python Helpers** - indentation diagnostics and template-based code generation
 - **JSON Repair** - Fix broken JSON automatically (trailing commas, single quotes, BOM, comments)
 - **Import Organization** - Sort and deduplicate Python imports per PEP 8
 - **Encoding Fix** - Repair Mojibake and double-encoded UTF-8 (27+ patterns)
@@ -165,14 +166,21 @@ FileCommander and CodeCommander are designed to work side by side:
 | `cc_diff_files` | Compare two files with unified diff output (configurable context lines) |
 | `cc_regex_test` | Test regex patterns against text/files with match details, groups, and replace preview |
 
+### Python Assistance (2 tools)
+
+| Tool | Description |
+|------|-------------|
+| `cc_check_indentation` | Detect missing colons, unindented return/yield statements, and mixed tab/space indentation |
+| `cc_generate_python_code` | Generate Python functions, classes, dataclasses, CLI stubs, tests, exceptions, and modules from templates |
+
 ### Export (2 tools)
 
 | Tool | Description |
 |------|-------------|
 | `cc_md_to_html` | Markdown to standalone HTML with CSS styling (headers, code blocks, tables, nested lists, blockquotes, images, checkboxes) |
 | `cc_md_to_pdf` | Markdown to PDF via headless browser (Edge/Chrome). Falls back to HTML if no browser is available |
 
-**Total: 17 tools**
+**Total: 19 developer tools** (`cc_set_language` is also available for runtime language switching)
 
 ---
 
@@ -222,7 +230,7 @@ npm test       # Run test suite (vitest)
 
 ### Testing
 
-The project includes a comprehensive test suite with **139 tests** covering all 17 tools.
+The project includes a comprehensive test suite with **154 tests** covering all 19 developer tools and i18n behavior.
 
 ```bash
 npm test              # Run all tests

README_de.md

@@ -15,7 +15,7 @@
 
 Ein entwicklerfokussierter **Model Context Protocol (MCP) Server**, der KI-Assistenten Fähigkeiten für Code-Analyse, JSON-Reparatur, Encoding-Korrektur, Import-Organisation, Formatkonvertierung, Datei-Vergleich und Regex-Tests verleiht.
 
-**17 Tools** optimiert für Entwickler – das Coding-Gegenstück zu [FileCommander](https://github.com/ellmos-ai/ellmos-filecommander-mcp).
+**19 Tools** optimiert für Entwickler – das Coding-Gegenstück zu [FileCommander](https://github.com/ellmos-ai/ellmos-filecommander-mcp).
 
 **Auffindbarkeit:** Veröffentlicht auf [npm](https://www.npmjs.com/package/ellmos-codecommander-mcp) als `ellmos-codecommander-mcp`, auf [Glama](https://glama.ai/mcp/servers/b9kjs4uaav) sichtbar und mit [`server.json`](server.json) für die offizielle MCP Registry unter `io.github.ellmos-ai/ellmos-codecommander-mcp` vorbereitet.
 
@@ -26,6 +26,7 @@ Ein entwicklerfokussierter **Model Context Protocol (MCP) Server**, der KI-Assis
 Während FileCommander Dateisystem-Operationen übernimmt, konzentriert sich CodeCommander auf **Code-Intelligenz**:
 
 - **Python Code-Analyse** – AST-basierte Klassen-/Methodenextraktion, Komplexitätsmetriken, Import-Analyse
+- **BACH-abgeleitete Python-Helfer** – Einrückungsdiagnose und Template-basierte Codegenerierung
 - **JSON-Reparatur** – Automatische Korrektur von fehlerhaftem JSON (Trailing Commas, einfache Anführungszeichen, BOM, Kommentare)
 - **Import-Organisation** – Python-Imports sortieren und deduplizieren gemäß PEP 8
 - **Encoding-Korrektur** – Reparatur von Mojibake und doppelt kodiertem UTF-8 (27+ Muster)
@@ -166,14 +167,21 @@ FileCommander und CodeCommander sind für den parallelen Einsatz konzipiert:
 | `cc_diff_files` | Zwei Dateien vergleichen mit Unified-Diff-Ausgabe (konfigurierbare Kontextzeilen) |
 | `cc_regex_test` | Regex-Muster gegen Text/Dateien testen mit Match-Details, Gruppen und Ersetzungsvorschau |
 
+### Python-Assistenz (2 Tools)
+
+| Tool | Beschreibung |
+|------|-------------|
+| `cc_check_indentation` | Fehlende Doppelpunkte, unindentierte return/yield-Zeilen und gemischte Tab-/Leerzeichen-Einrückung erkennen |
+| `cc_generate_python_code` | Python-Funktionen, Klassen, Dataclasses, CLI-Stubs, Tests, Exceptions und Module aus Templates erzeugen |
+
 ### Export (2 Tools)
 
 | Tool | Beschreibung |
 |------|-------------|
 | `cc_md_to_html` | Markdown zu eigenständigem HTML mit CSS-Styling (Überschriften, Code-Blöcke, Tabellen, verschachtelte Listen, Zitate, Bilder, Checkboxen) |
 | `cc_md_to_pdf` | Markdown zu PDF über Headless-Browser (Edge/Chrome). Fallback auf HTML wenn kein Browser verfügbar |
 
-**Gesamt: 17 Tools**
+**Gesamt: 19 Entwickler-Tools** (`cc_set_language` ist zusätzlich für Sprachumschaltung verfügbar)
 
 ---
 
@@ -223,7 +231,7 @@ npm test       # Tests ausführen (vitest)
 
 ### Tests
 
-Das Projekt enthält eine umfassende Test-Suite mit **139 Tests** für alle 17 Tools.
+Das Projekt enthält eine umfassende Test-Suite mit **154 Tests** für alle 19 Entwickler-Tools und i18n-Verhalten.
 
 ```bash
 npm test              # Alle Tests ausführen

SECURITY.md

@@ -25,6 +25,8 @@ ellmos CodeCommander MCP Server is a developer tool that analyzes and modifies s
 | `cc_analyze_methods` | Reads and analyzes methods |
 | `cc_extract_classes` | Reads and extracts class info |
 | `cc_diagnose_imports` | Reads and diagnoses imports |
+| `cc_check_indentation` | Reads and checks Python indentation |
+| `cc_generate_python_code` | Generates text output only |
 | `cc_validate_json` | Reads and validates JSON |
 | `cc_scan_emoji` | Reads and scans for emojis |
 | `cc_generate_licenses` | Reads installed packages |

llms.txt

@@ -1,8 +1,8 @@
 # ellmos-codecommander-mcp - MCP Server for Code Intelligence
 
-> CodeCommander is a developer-focused MCP (Model Context Protocol) server that gives AI assistants code analysis, JSON repair, encoding fix, import organization, format conversion, file diff, and regex testing capabilities. 17 tools optimized for developers -- the coding companion to FileCommander in the ellmos MCP family.
+> CodeCommander is a developer-focused MCP (Model Context Protocol) server that gives AI assistants code analysis, JSON repair, encoding fix, import organization, Python indentation checks, code generation, format conversion, file diff, and regex testing capabilities. 19 tools optimized for developers -- the coding companion to FileCommander in the ellmos MCP family.
 
-Core capabilities: Python AST-based class/method extraction with complexity metrics and import analysis, JSON repair (trailing commas, single quotes, BOM, comments), PEP 8 import sorting and deduplication, Mojibake/double-encoded UTF-8 repair (27+ patterns), German umlaut repair (70+ patterns), format conversion across JSON / CSV / INI / YAML / TOML / XML / TOON, unified diff output (LCS algorithm), regex tester with match details and replace preview, Markdown-to-HTML/PDF export with code blocks, tables, nested lists, and blockquotes. Cross-platform: Windows, macOS, Linux.
+Core capabilities: Python AST-based class/method extraction with complexity metrics and import analysis, BACH-derived indentation diagnostics and Python code generation templates, JSON repair (trailing commas, single quotes, BOM, comments), PEP 8 import sorting and deduplication, Mojibake/double-encoded UTF-8 repair (27+ patterns), German umlaut repair (70+ patterns), format conversion across JSON / CSV / INI / YAML / TOML / XML / TOON, unified diff output (LCS algorithm), regex tester with match details and replace preview, Markdown-to-HTML/PDF export with code blocks, tables, nested lists, and blockquotes. Cross-platform: Windows, macOS, Linux.
 
 Node.js >= 18, MIT. Published as `ellmos-codecommander-mcp` on npm. Visible on Glama at `https://glama.ai/mcp/servers/b9kjs4uaav`. MCP Registry metadata is provided in `server.json` for the namespace `io.github.ellmos-ai/ellmos-codecommander-mcp`.
 
@@ -46,6 +46,7 @@ Python AST class method extraction MCP
 JSON repair encoding fix MCP server
 ellmos-ai MCP developer tools
 Claude Code MCP code analysis import organization
+BACH Python indentation checker code generator MCP
 regex tester format conversion markdown PDF MCP
 ```
 

package.json

@@ -2,7 +2,7 @@
   "name": "ellmos-codecommander-mcp",
   "version": "1.3.12",
   "mcpName": "io.github.ellmos-ai/ellmos-codecommander-mcp",
-  "description": "A developer-focused MCP server providing 17 tools for code analysis, JSON repair, encoding fix, import organization, format conversion, diff, and regex testing",
+  "description": "A developer-focused MCP server providing 19 tools for code analysis, JSON repair, encoding fix, import organization, Python indentation checks, code generation, format conversion, diff, and regex testing",
   "type": "module",
   "main": "dist/index.js",
   "bin": {

server.json

@@ -3,7 +3,7 @@
   "name": "io.github.ellmos-ai/ellmos-codecommander-mcp",
   "version": "1.3.12",
   "title": "ellmos CodeCommander",
-  "description": "17 MCP tools for code analysis, JSON repair, import management, encoding fix, format conversion, diffs, regex testing, and Markdown export.",
+  "description": "19 MCP tools for code analysis, JSON repair, import management, Python indentation checks, code generation, encoding fix, format conversion, diffs, regex testing, and Markdown export.",
   "websiteUrl": "https://github.com/ellmos-ai/ellmos-codecommander-mcp",
   "repository": {
     "url": "https://github.com/ellmos-ai/ellmos-codecommander-mcp",

src/i18n/de.ts

@@ -197,6 +197,24 @@ export const de: Translations = {
     browserUsed: (name) => `PDF erstellt mit ${name}`,
   },
 
+  // === Tool 16: cc_check_indentation ===
+  cc_check_indentation: {
+    description: 'Prüft Python-Dateien auf fehlende Doppelpunkte, unindentierte return/yield-Zeilen und gemischte Tab-/Leerzeichen-Einrückung',
+    header: (path) => `**Python-Einrückungsprüfung: ${path}**`,
+    filesChecked: 'Dateien geprüft',
+    filesWithIssues: 'Dateien mit Problemen',
+    totalIssues: 'Probleme gesamt',
+    noIssues: '\u2705 Keine Einrückungsprobleme gefunden.',
+    issuesHeader: '**Probleme:**',
+    andMore: (count) => `... und ${count} weitere Probleme`,
+  },
+
+  // === Tool 17: cc_generate_python_code ===
+  cc_generate_python_code: {
+    description: 'Generiert Python-Code-Snippets aus BACH-abgeleiteten Templates ohne Dateien zu schreiben',
+    header: (kind) => `**Generierter Python-${kind}**`,
+  },
+
   // === Tool 16: cc_set_language ===
   cc_set_language: {
     languageSet: (lang) => `Sprache gesetzt auf: ${lang}`,

src/i18n/en.ts

@@ -197,6 +197,24 @@ export const en: Translations = {
     browserUsed: (name) => `PDF created with ${name}`,
   },
 
+  // === Tool 16: cc_check_indentation ===
+  cc_check_indentation: {
+    description: 'Check Python files for missing colons, unindented return/yield statements, and mixed tab/space indentation',
+    header: (path) => `**Python indentation check: ${path}**`,
+    filesChecked: 'Files checked',
+    filesWithIssues: 'Files with issues',
+    totalIssues: 'Issues total',
+    noIssues: '\u2705 No indentation issues found.',
+    issuesHeader: '**Issues:**',
+    andMore: (count) => `... and ${count} more issues`,
+  },
+
+  // === Tool 17: cc_generate_python_code ===
+  cc_generate_python_code: {
+    description: 'Generate Python code snippets from BACH-derived templates without writing files',
+    header: (kind) => `**Generated Python ${kind}**`,
+  },
+
   // === Tool 16: cc_set_language ===
   cc_set_language: {
     languageSet: (lang) => `Language set to: ${lang}`,