The FAF Ecosystem

Detects your stack, fills project.faf, scores context, authors AGENTS.md / CLAUDE.md / GEMINI.md from one source.

• Stack and format detection
• Raw project files to structured context
• Core loop: init, auto, go
• Bi-sync and tri-sync, no drift
• Bun-native, strict TypeScript

The .faf format specification. IANA-registered, IETF Internet-Draft, Zenodo papers.

• 3 IANA media types: .faf, .fafm, .fafa
• IETF Internet-Draft active
• Zenodo papers published
• Open, community-contributable

MCP server for Claude Desktop and Claude Code. Loads project.faf context every session.

• In the official Anthropic MCP registry
• Loads project.faf context
• 2,052+ downloads / month
• stdio and Streamable HTTP

The FAF MCP server for IDEs. Works with any MCP-compatible AI client.

• Cursor, Windsurf, VS Code
• Standard MCP protocol
• 2,989+ downloads / month
• In the official MCP registry

Persistent project context for xAI Grok. MCP server on a URL.

• Built for xAI Grok
• MCP server on a URL
• In the official MCP registry
• IANA-registered .faf format

Persistent project context for Google Gemini. MCP server plus a Cloud Run REST API.

• Built for Google Gemini
• Unifies CLAUDE.md, GEMINI.md, AGENTS.md
• IANA-registered .faf format
• Published on PyPI

MCP server for .faf built in Rust with the rmcp SDK.

• Rust plus the rmcp SDK
• MCP tools for .faf operations
• IANA-registered .faf format
• Published on crates.io

FAF Agent, the Voice of FAF. MCP server and a live A2A peer.

• MCP server (uvx / PyPI)
• Live A2A peer, protocol 1.0
• Discoverable from the Agent Card
• Listed on the A2A partners page

Parse, validate, and score .faf files in Python. The foundation for Python FAF tools.

• Parse, validate, score .faf
• Foundation for Python FAF tools
• IANA-registered .faf format
• Published on PyPI

The facade over faf-kernel (parse, validate, score) plus the FAFb binary format.

• Parse, validate, score .faf
• FAFb binary format (v2)
• IANA-registered .faf format
• Published on crates.io

Persistent project context in the browser. IANA-registered .faf format, WASM runtime.

• Runs in the browser and at the edge
• WASM runtime for .faf scoring
• IANA-registered .faf format
• Published on npm

Portable, cross-vendor AI memory in .fafm. Offline-first, your file, your soul.

• .fafm Permanent Memory Layer
• Cross-vendor and offline-first
• IANA-registered .fafm format
• Published on PyPI

The FAF Foundation plugin marketplace for Claude Code. The faf and faf-memory plugins.

• One-command install via /plugin
• faf: persistent project context
• faf-memory: Permanent Memory Layer
• Wraps the FAF MCP servers

Championship-grade test certification for MCP servers. Pass WJTTC, ship with receipts.

• MCP test suite plus a GitHub Action
• In the official MCP registry
• Homebrew installable
• Beacon tests

Browser-based .faf context authoring. No install. The first FAF engine.

• Zero install, runs in the browser
• Drag-and-drop interface
• Authors .faf in the browser
• The Mk1 engine

Author .faf context directly from your browser. Approved by Google.

• One-click context extraction
• Works on any GitHub repo
• Copy context to clipboard
• Approved by Google, live in the Web Store

The official FAF format authority. Docs, blog, downloads, format examples.

• Complete documentation
• Format examples
• Live download counter
• The canonical home for .faf