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Faf

Universal persistent project context for Cursor, Windsurf, Cline, VS Code, and all MCP-compatible platforms (including Claude Desktop). IANA-registered format (application/vnd.faf+yaml). 17 native tools, AI-readiness scoring.

developer-toolsai
By Wolfe-Jam
32Updated 3 days agoTypeScriptMIT

Installation

npx -y faf-mcp

Configuration

{
  "mcpServers": {
    "faf-mcp": {
      "command": "npx",
      "args": ["-y", "faf-mcp"]
    }
  }
}

How to use

  1. Run the installation command above (if needed)
  2. Open your Claude Code settings file (~/.claude/settings.json)
  3. Add the configuration to the mcpServers section
  4. Restart Claude Code to apply changes
<!-- faf: faf-mcp | TypeScript | mcp-server | FAF MCP IDE Edition — persistent project context for Cursor, Windsurf, Cline, VS Code --> <!-- faf: doc=readme | canonical=project.faf | score=100 | family=FAF --> <div style="display: flex; align-items: center; gap: 12px;"> <img src="https://www.faf.one/orange-smiley.svg" alt="FAF" width="40" /> <div> <h1 style="margin: 0; color: #FF8C00;">faf-mcp</h1> <p style="margin: 4px 0 0 0;"><strong>Persistent Project Context for Cursor, IDEs and VS Code. Define once. Sync everywhere.</strong></p> </div> </div>

npmdownloads FAF Trophy 100% IANA: vnd.faf+yaml DOI: Context paper

Home: wolfe-jam.github.io/faf-mcp · Hosted MCP endpoint: https://ide.faf.one/mcp/v1 (Streamable HTTP)

The MCP you didn't realise you needed, or wanted but didn't know who to ask, is here. Building on 62,000+ downloads across the FAF ecosystem, we bring you faf-mcp to cure your syncing pain and fuel your chosen AI with optimized context, on-demand.

CI License: MIT project.faf


What's New in 2.3.0 — The Curated Edition

The tools you actually need, up front. faf-mcp now leads with 15 essential tools by default — a clean, focused surface instead of a wall of options. Need everything? Set FAF_TOOLS=all for the full 29 (every tool stays callable by name either way). And every Core tool's description was rewritten so your AI picks the right one, first time.


Define once. Sync everywhere.

You maintain .cursorrules. Your teammate uses AGENTS.md. Someone on the team just switched to Gemini. Every AI tool wants its own context file — and they all say the same thing in different formats.

faf-mcp is the dedicated MCP server for Cursor, Windsurf, Cline, VS Code, and every non-Claude platform. One .faf file in your repo, synced to every format your team needs.

                      project.faf
                           │
          ┌────────┬───────┴───────┬────────────┐
          ▼        ▼               ▼            ▼
      CLAUDE.md  AGENTS.md  .cursorrules  GEMINI.md
      (Claude)   (Codex)      (Cursor)    (Gemini)

Quick Start

bunx faf-mcp

Add to your MCP config:

{"mcpServers": {"faf": {"command": "bunx", "args": ["faf-mcp"]}}}
PlatformConfig File
Cursor~/.cursor/mcp.json
Windsurf~/.codeium/windsurf/mcp_config.json
ClineCline MCP settings
VS CodeMCP extension config
Claude DesktopUse claude-faf-mcp

Three Ways to Deploy

DoorMethodBest For
Hostedmcpaas.liveZero-install, point any MCP client to the URL
Self-DeployDeploy to VercelYour own instance, full control
Localbunx faf-mcpIDE integration via stdio transport

Hosted (mcpaas.live)

Point your MCP client to https://ide.faf.one/mcp/v1 — no install, no config, no maintenance. Served from 300+ Cloudflare edges with sub-ms cold starts via 2.7KB Zig-WASM engine.

Self-Deploy (Vercel)

Deploy your own MCP server on Vercel in one click. Once deployed, your server exposes:

  • /health — Health check
  • /info — Server metadata + tool list
  • /mcp/v1 — MCP Streamable HTTP transport

Local (npm)

npx faf-mcp

Interop Tools

ToolPlatformAction
faf_agentsOpenAI CodexImport/export/sync AGENTS.md
faf_cursorCursor IDEImport/export/sync .cursorrules
faf_geminiGoogle GeminiImport/export/sync GEMINI.md
faf_conductorConductorImport/export directory structure
faf_gitGitHubGenerate .faf from any repo URL
# Sync to all formats at once
faf bi-sync --all

# Generate .faf from any GitHub repo
faf_git { url: "https://github.com/facebook/react" }

Core tier: 15 essential tools shown by default; set FAF_TOOLS=all for the full 29 (every tool stays callable by name either way) · with CLI fallback · 9 test suites · 7 bundled parsers


Cloud Sync

Share your FAF context globally via mcpaas.live:

ToolPurpose
faf_cloud_publishUpload to cloud, get shareable URL
faf_cloud_fetchPull context from cloud
faf_cloud_listList available souls
faf_cloud_searchSearch across souls
faf_cloud_shareGenerate share links

Example Workflow:

# Upload your project.faf
faf_cloud_publish { soul_name: "my-project" }
→ https://mcpaas.live/souls/my-project

# Anyone can fetch it
faf_cloud_fetch { soul_name: "my-project" }
→ Context merged into local project.faf

Zero-install sharing - Recipients need no MCP setup. Served from 300+ Cloudflare edges with <1ms cold starts via 2.7KB Zig-WASM engine.


Eternal Bi-Sync

Your .faf file and your platform context files stay synchronized in milliseconds.

project.faf  ←── 8ms ──→  .cursorrules / AGENTS.md / CLAUDE.md / GEMINI.md
                    Single source of truth
  • Update either side → both stay aligned
  • --all flag syncs to all four formats at once
  • Zero manual maintenance
  • Works across teams, branches, sessions

AI assistants forget. They drift. Every new session, AI starts guessing again. Bi-sync means context never goes stale.


Tier System: From Blind to Optimized

TierScoreStatus
🏆 TROPHY100%AI never has to guess
GOLD99%+1 slot from Trophy
SILVER95%+Close — keep going
BRONZE85%+Interim — keep going
GREEN70%+Interim — keep going
YELLOW55%+AI flipping coins
RED<55%AI working blind
WHITE0%No context at all

At 55%, AI is guessing half the time. At 100%, AI is optimized.


use>faf | Prompt Pattern

Start every prompt with "Use FAF" to invoke MCP tools:

Use FAF to initialize my project
Use FAF to score my AI-readiness
Use FAF to sync my context
Use FAF to enhance my project

Works on all platforms — stops web search, forces tool usage.


29 MCP Tools

ToolPurpose
faf_initInitialize project.faf
faf_scoreCheck AI-readiness (0-100%)
faf_syncSync context across platforms
faf_bi_syncBi-directional .faf ↔ CLAUDE.md
faf_readParse and validate FAF files
faf_writeCreate/update FAF with validation
Interop Tools
faf_agentsImport/export/sync AGENTS.md
faf_cursorImport/export/sync .cursorrules
faf_geminiImport/export/sync GEMINI.md
faf_conductorImport/export directory structure
faf_gitGenerate .faf from GitHub repo URL
Cloud Tools
faf_cloud_publishUpload to mcpaas.live
faf_cloud_fetchPull from cloud
faf_cloud_listList souls
faf_cloud_searchSearch souls
faf_cloud_shareGenerate share links

Plus CLI fallback (via faf-cli):

  • faf readme - Extract 6 Ws from README (+25-35% boost)
  • faf human-add - Non-interactive YAML merge (6Ws Builder)
  • faf git - GitHub repo analysis without cloning
  • And 40+ more commands...

Ecosystem


If faf-mcp has been useful, consider starring the repo — it helps others find it.

License

MIT License — Free and open source


Zero drift. Eternal sync. AI optimized. 🏆

"It's so logical if it didn't exist, AI would have built it itself" — Claude

View source on GitHub