docs: add Agents paper citation (Zenodo 10.5281/zenodo.21951641)

Author: Wolfe-Jam

CITATION.cff

@@ -0,0 +1,45 @@
+cff-version: 1.2.0
+type: software
+message: "If you use mcp-project-context in your work, please cite the FAF Context paper in `preferred-citation`. The Agents paper in `references` is the companion for the agentic era."
+title: "mcp-project-context — host-side project identity for MCP tools"
+authors:
+  - family-names: Wolfe
+    given-names: James
+    orcid: "https://orcid.org/0009-0007-0801-3841"
+    affiliation: "FAF Foundation"
+license: MIT
+repository-code: "https://github.com/Wolfe-Jam/mcp-project-context"
+url: "https://faf.one"
+keywords:
+  - mcp
+  - .faf
+  - .fafa
+  - project identity
+preferred-citation:
+  type: article
+  title: "Format-Driven AI Context Architecture: The .faf Standard for Persistent Project Understanding"
+  authors:
+    - family-names: Wolfe
+      given-names: James
+      orcid: "https://orcid.org/0009-0007-0801-3841"
+      affiliation: "FAF Foundation"
+  year: 2025
+  month: 11
+  doi: 10.5281/zenodo.18251362
+  url: "https://doi.org/10.5281/zenodo.18251362"
+  publisher:
+    name: "Zenodo"
+references:
+  - type: article
+    title: "Why Agents Need a Passport: .fafa — Portable Identity for the Agentic Era"
+    authors:
+      - family-names: Wolfe
+        given-names: James
+        orcid: "https://orcid.org/0009-0007-0801-3841"
+        affiliation: "FAF Foundation"
+    year: 2026
+    month: 8
+    doi: 10.5281/zenodo.21951641
+    url: "https://doi.org/10.5281/zenodo.21951641"
+    publisher:
+      name: "Zenodo"

README.md

@@ -102,4 +102,10 @@ The value is the mechanism. Hosts that already know the current repository can i
 - Predecessor (now obsolete): [mcp-current-repo](https://github.com/Wolfe-Jam/mcp-current-repo)
 - Successor: [faf-trinity](https://github.com/Wolfe-Jam/faf-trinity) — extends this same param-fill pattern to all three IANA FAF formats (context, memory, agent identity), not just context
 
+## Citation
+
+> Wolfe, J. (2025). *Format-Driven AI Context Architecture: The .faf Standard for Persistent Project Understanding*. Zenodo. https://doi.org/10.5281/zenodo.18251362
+
+> Wolfe, J. (2026). *Why Agents Need a Passport: .fafa — Portable Identity for the Agentic Era*. Zenodo. https://doi.org/10.5281/zenodo.21951641
+
 MIT