Claude FAF

Q: What can Claude FAF do?

It has 14 tools, including faf_init, faf_auto and faf_score. You can create project.faf with stack detection, fill project.faf automatically from repo files and score AI-readiness from 0 to 100%.

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Create and score a project.faf context file and sync it to CLAUDE.md, AGENTS.md, .cursorrules and MEMORY.md.

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npx -y claude-faf-mcp

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Claude FAF keeps persistent project context in a project.faf file in the .faf format. It detects your stack, scores the project's AI-readiness from 0 to 100%, and writes CLAUDE.md, AGENTS.md, .cursorrules, GEMINI.md and Copilot instructions from that file. It can also store decisions across sessions in a project memory file (.fafm) and recall them later. It runs locally over stdio, started with npx claude-faf-mcp or installed as a Claude Desktop .mcpb bundle. Node 22 or later is required. No API key or sign-in is needed. It uses faf-cli as a bundled dependency, and 14 tools are on by default (30 with FAF_TOOLS=all).

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Create project.faf with stack detection
Fill project.faf automatically from repo files
Score AI-readiness from 0 to 100%
Sync CLAUDE.md, AGENTS.md, .cursorrules, GEMINI.md and Copilot files
Write faf's block into Claude Code's MEMORY.md
Diagnose project.faf and return a trust receipt
Remember and recall decisions across sessions
Benchmark AI grounding with and without the .faf

listing.tools 14

faf_init
Create project.faf for a project, with the stack detected by faf-cli.
faf_auto
Fill project.faf from the repo's own files, then write CLAUDE.md.
faf_score
Return the AI-readiness score (0-100%) from faf-cli.
faf_go
Run a guided interview for the project goal and the 6Ws.
faf_sync
Write CLAUDE.md from project.faf, plus AGENTS.md, .cursorrules, GEMINI.md and Copilot files.
faf_tri_sync
Write faf's block into the MEMORY.md that Claude Code loads for the project.
faf_setup
Install the SessionStart hook in project settings, with a preview first.
faf_trust
Validate project.faf and return a trust receipt for its score.
faf_doctor
Diagnose project.faf problems and name the tool that fixes each.
faf_context
Show or set the active project; detail returns the .faf text.
faf_bench
Benchmark AI grounding cold versus with the .faf, with a receipt.
faf_etch
Remember a decision across sessions in the project soul (.fafm).

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faf_recall
Recall memories from the project soul, ranked by priority then recency.
faf_about
Explain what the .faf format is.

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Set up project context for this codebase
What's my AI-readiness score?
Sync my project.faf to CLAUDE.md and AGENTS.md
Remember that we chose Postgres over MySQL for this project

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Claude Code

Run this in a terminal, in your project folder:

claude mcp add --transport stdio claude-faf -- npx -y claude-faf-mcp

Start Claude Code and type /mcp. claude-faf should show as connected.

Add --scope user to make it available in every project.

Claude Desktop

Open Settings → Developer → Edit Config. It opens claude_desktop_config.json. Add:

claude_desktop_config.json

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

Save the file and restart Claude Desktop.

Needs Node.js on your computer. The file lives in ~/Library/Application Support/Claude/ on macOS and %APPDATA%\Claude\ on Windows.

Cursor

Add to Cursor a11y.new_tab

Or add it by hand to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project):

mcp.json

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

Needs Node.js on your computer.

VS Code

Install in VS Code a11y.new_tab

Or from a terminal:

code --add-mcp '{"name":"claude-faf","type":"stdio","command":"npx","args":["-y","claude-faf-mcp"]}'

Or commit it to the repo in .vscode/mcp.json:

.vscode/mcp.json

{
  "servers": {
    "claude-faf": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "claude-faf-mcp"
      ]
    }
  }
}

Needs Node.js on your computer.

Devin Desktop

Add it to ~/.config/devin/mcp_config.json (macOS and Linux) or %APPDATA%\devin\mcp_config.json (Windows):

mcp_config.json

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

Refresh the MCP server list in Cascade.

Devin Desktop is the new name for Windsurf.

Codex

codex mcp add claude-faf -- npx -y claude-faf-mcp

Or edit ~/.codex/config.toml directly:

config.toml

[mcp_servers.claude-faf]
command = "npx"
args = ["-y", "claude-faf-mcp"]

Needs Node.js on your computer.

Gemini CLI

gemini mcp add claude-faf npx -- -y claude-faf-mcp

This adds it to the current project. Add -s user to use it everywhere.

Any client

Most clients that start local servers accept this shape:

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

Zed puts servers under context_servers in its settings, with the same command, args and env fields.

Needs Node.js on your computer.

listing.faq

Can I paste mcp.tc/i/claude-faf into my MCP client?

No. Claude FAF runs on your own computer, started by your client, so it has no web address to connect to. The quick link is the page to share; the install command is npx -y claude-faf-mcp.

Does Claude FAF need an API key?

No. It doesn't declare any keys or environment variables. It runs with your user account's permissions, so check what its tools can reach.

Is Claude FAF a remote or a local server?

Local. Your client starts it as a process on your computer with npx -y claude-faf-mcp, which needs Node.js.

What can Claude FAF do?

It has 14 tools, including faf_init, faf_auto and faf_score. You can create project.faf with stack detection, fill project.faf automatically from repo files and score AI-readiness from 0 to 100%.

Which clients can use it?

Any client that starts local servers: Claude Code, Claude Desktop, Cursor, VS Code, Devin Desktop, Codex, Gemini CLI, Zed and others. claude.ai and ChatGPT only connect to remote servers.

Who wrote this page?

mcp.tc's robot read Claude FAF's public metadata (its package and repository pages), and an AI model drafted the text from it. A person reviews anything the checks can't confirm. The text can still be wrong, so if you spot a mistake, use Report this listing on this page.

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