io.github.joelp22-maker/referencesource-rules

up checked 2026-11-11T10:39:20.825Z

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Publisher-provided title

US federal rules taking effect

Publisher-provided description

Which published US federal rules take effect between two dates, and which CFR parts they amend?

Summary by lookupd

Lists US federal final rules by effective date, agency, or amended CFR part, and verifies claims about them against the Federal Register.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http referencesource-rules https://referencesource.org/mcp/rules

Codex, remote (streamable-http)

codex mcp add referencesource-rules --url https://referencesource.org/mcp/rules

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

{
  "mcpServers": {
    "referencesource-rules": {
      "url": "https://referencesource.org/mcp/rules"
    }
  }
}

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

Tools (5 tools)

Publisher-provided text

• list_rules_taking_effect What lands on me, and when? Lists already-published US federal final rules whose effective date falls between two dates, soonest first, optionally from one agen
• get_rule Everything this register holds for one final rule: title, agency, effective date, the rule's own DATES paragraph, the CFR parts it amends, its publication date,
• list_agencies Which agencies have rules coming? Returns each agency in this register with how many rules it has taking effect, the soonest and latest of those dates. Call it
• list_rules_amending_cfr_part Is anything changing in the part of the CFR I am subject to? Give a CFR title and part — "49 CFR 192", "40 CFR 52", "21 CFR 1308" — and get the already-publishe
• verify_quote Is this right? Check a claim about a final rule — its effective date, its agency, the CFR parts it amends — against the Federal Register record instead of trust

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 413 ms
• First indexed: 2026-11-01T09:36:29.207Z
• Last seen in registry: 2026-11-01T09:36:29.207Z
• Repository: https://github.com/joelp22-maker/referencesource-mcp
• Website: https://referencesource.org/federal-rules-taking-effect

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• Last crawl: 2026-11-11T16:39:06.253Z
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