io.github.cyanheads/federal-regulations-mcp-server

up checked 2026-11-11T05:37:47.625Z

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Publisher-provided description

Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov.

Summary by lookupd

Searches and reads US federal rules, regulations, comments, and dockets across the Federal Register, eCFR, and Regulations.gov.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http federal-regulations-mcp-server https://federal-regulations.caseyjhand.com/mcp

Claude Code, npm package (stdio)

claude mcp add federal-regulations-mcp-server -- npx -y @cyanheads/federal-regulations-mcp-server

Claude Code, npm package (stdio)

claude mcp add federal-regulations-mcp-server -- npx -y @cyanheads/federal-regulations-mcp-server

Codex, remote (streamable-http)

codex mcp add federal-regulations-mcp-server --url https://federal-regulations.caseyjhand.com/mcp

Codex, npm package (stdio)

codex mcp add federal-regulations-mcp-server -- npx -y @cyanheads/federal-regulations-mcp-server

Codex, npm package (stdio)

codex mcp add federal-regulations-mcp-server -- npx -y @cyanheads/federal-regulations-mcp-server

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "federal-regulations-mcp-server": {
      "url": "https://federal-regulations.caseyjhand.com/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "federal-regulations-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/federal-regulations-mcp-server"
      ]
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "federal-regulations-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/federal-regulations-mcp-server"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (7 tools)

Publisher-provided text

• regulations_search_rules Search the Federal Register — the daily journal of US proposed rules, final rules, notices, and presidential documents (1994–present) — filtering by full-text q
• regulations_get_document Fetch one Federal Register document by its FR document number — full metadata (title, type, agencies, abstract, action, effective/comment dates, RINs, EO 12866
• regulations_browse_cfr Explore the codified Code of Federal Regulations via eCFR in three modes. "structure" lists all 50 titles; with a title, that title's top-level divisions (its c
• regulations_get_cfr_section Read the codified text at a CFR location via eCFR — current or as of a past date. Answers "what does 40 CFR 50.1 say today?" and "...as of 2019-01-01?". Three l
• regulations_get_docket Pull a rulemaking docket from Regulations.gov by docket ID (e.g. "EPA-HQ-OAR-2025-0194") — the docket's metadata (title, agency, RIN, abstract) and the document
• regulations_find_comments Fetch public comments on a Federal Register document or a Regulations.gov docket — the unique corpus of what citizens and organizations actually submitted. Prov
• regulations_list_open_comments List Federal Register documents currently open for public comment, sorted by closing date (soonest first) across the whole open window, filterable by document t

Details

• Version: 0.6.1
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 749 ms
• First indexed: 2026-11-01T09:26:02.593Z
• Last seen in registry: 2026-11-01T09:26:02.902Z
• Repository: https://github.com/cyanheads/federal-regulations-mcp-server

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