US Code of Federal Regulations MCP Server

io.github.mccallar/cfr-mcp

What is the US Code of Federal Regulations MCP server?

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

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

~/Library/Application Support/Claude/claude_desktop_config.json

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

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Voice notes that organize themselves. Capture by Siri, AI auto-tags, semantic search retrieves.

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Search Tenkai Daily AI news for open-source releases, papers, and tools. Updated daily.

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Local-first multilingual, auditable memory for Codex, Claude Code, and MCP clients.

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Weather API tools — current, hourly, daily forecasts, and historical data.