# US federal rules taking effect

- Registry name: `io.github.joelp22-maker/referencesource-rules` · version 1.0.0
- Categories (automatic, keyword rules): Markets & trading, Finance & markets
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.joelp22-maker%2Freferencesource-rules
- Server page: https://mcpstation.net/s/io.github.joelp22-maker--referencesource-rules.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://referencesource.org/mcp/rules`

## Tools (as reported by the server, not verified)

- `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 agency. Each with the rule title, the agency, the CFR parts amended, the document number, the rule's own DATES paragraph and a verbatim quote of
- `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, a link to the rule on federalregister.gov, and a verbatim quote of the Federal Register API record it was read from. Document numbers look
- `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 to get an agency name exactly as the Federal Register writes it before filtering with list\_rules\_taking\_effect — "Federal Aviation Administr
- `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-published final rules that amend it, soonest effective date first, with each rule's DATES paragraph and a verbatim quote. The part is matched whole,
- `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 trusting it. Says whether the claim matches a stored value, appears only in the verbatim quote, or differs \(and then what the record says instead

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