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Real-time package ecosystem data for AI coding agents -- ships the `facto` CLI

Project description

facto.run

The facto CLI shipped via PyPI.

facto is a local MCP server that feeds real-time package ecosystem data (latest versions, release dates, runtime EOL, lockfile audits) to AI coding agents (Claude Code, Cursor, Copilot, ...). It stops your agent from recommending outdated packages, deprecated libraries, or metadata past its training cutoff.

Install

# Ephemeral (recommended for MCP wiring, zero-install)
uvx facto.run mcp

# Persistent: puts `facto` on your PATH
uv tool install facto.run
facto mcp

Pin a specific version:

uvx 'facto.run==0.1.0' mcp

Wire into Claude Code

claude mcp add facto -- uvx facto.run mcp

Documentation

Tool reference, threat model, configuration, and source code live in the main repository:

https://github.com/ggueret/facto

License

MIT

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