FactReason MCP Server: Install & Setup

Install FactReason in Claude Code

Claude Code

claude mcp add --transport http factreason https://www.factreason.com/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "factreason": {
      "url": "https://www.factreason.com/mcp"
    }
  }
}

Frequently asked questions

What does the FactReason MCP server do?

Check exact npm/PyPI upgrades for evidence-backed breaking changes; query APIs and components.

Is the FactReason MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does FactReason run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add FactReason to Claude Code?

Run: claude mcp add --transport http factreason https://www.factreason.com/mcp

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