US Code of Federal Regulations MCP Server: Install & Setup

Install US Code of Federal Regulations in Claude Code

Claude Code

claude mcp add us-code-of-federal-regulations -- uvx cfr-mcp

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

{
  "mcpServers": {
    "us-code-of-federal-regulations": {
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

Look up, search, and track changes to the US Code of Federal Regulations (eCFR).

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add us-code-of-federal-regulations -- uvx cfr-mcp

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