AgentUni
Developer Tools

US Code of Federal Regulations

by @mccallar / v0.2.2

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

Install

PyPI / stdio

uvx cfr-mcp

Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)

{
  "mcpServers": {
    "io-github-mccallar-cfr-mcp": {
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

Source: official MCP Registry record · registry name io.github.mccallar/cfr-mcp · published 2026-08-29 · updated 2026-08-29. Not an endorsement; review the code before connecting it to anything sensitive.

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