MCP Tools DirectoryAbout this integration
Look up, search, and track changes to the US Code of Federal Regulations (eCFR).
- Transport
- stdio
- Authentication
- none
- Initial setup
- none
- Runtime
- unattended
- Evidence
- documented
- Version
- 0.2.2
- Package
- cfr-mcp
- Last compatibility test
- Not independently tested
Connect your agent
cfr-mcpThe publisher documents open eCFR and Federal Register APIs with no API key. Documentation and manifest were reviewed; the package and government APIs were not executed or independently audited.
Capabilities: Look up and search US Code of Federal Regulations text, Browse CFR structure and agency mappings, Compare point-in-time regulation versions and amendment history
Connected profiles
Additional details
io.github.mccallar/cfr-mcp
Source ↗ · Checked 2026-09-170.2.2
Source ↗ · Checked 2026-09-17CC0-1.0; package licenses are separate
Source ↗ · Checked 2026-09-17pypi
Source ↗ · Checked 2026-09-17cfr-mcp
Source ↗ · Checked 2026-09-190.2.2
Source ↗ · Checked 2026-09-19The MCP client configuration launches cfr-mcp through uvx as a background stdio server.
Source ↗ · Checked 2026-09-19No API key is required because the documented eCFR and Federal Register APIs are open.
Source ↗ · Checked 2026-09-19Configure an MCP client with command uvx and argument cfr-mcp; the existing catalog connection remains stdio with no endpoint.
Source ↗ · Checked 2026-09-19Publisher documentation reviewed; package and integration endpoint not executed or independently security-audited.
Source ↗ · Checked 2026-09-19