All servers · Government & law

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

io.github.cyanheads/federal-regulations-mcp-server · v0.5.3

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	logging, prompts, resources, tools
Tool definitions	7 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

Description written by the publisher, not verified

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

Connect

streamable-http · https://federal-regulations.caseyjhand.com/mcp

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

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

Tools as reported by the server

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 query, document type, agency slug, publication date range, affected CFR title and part, printed docket number, and RIN, all combined. A page
regulations_get_document
Fetch one Federal Register document by its FR document number — full metadata (title, type, agencies, abstract, action, effective/comment dates, RINs) plus the cross-source handles that make this a workflow server. The output carries the Regulations.gov docket ID (chain into regulations_get_docket o
regulations_browse_cfr
Explore the codified Code of Federal Regulations via eCFR in two modes. "structure" lists all 50 titles; with a title, that title's top-level divisions (its chapters, or subtitles); and with a title and part, every section and appendix in the part, flattened and paged, each naming the subpart and su
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 locations: title + part + section for one section; title + part alone for the whole part, with its Authority and Source notes, an index of it
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 documents filed in it (NPRM, final rule, supporting materials). The docket is the folder holding a rule's whole paper trail; each returned 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. Provide exactly one targeting parameter: docket_id (all comments in a docket, broadest), document_object_id (comments on one document, by its ob
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 type, agency slug, and topic. "What can I still weigh in on?" Covers proposed rules and the final rules that take comment (direct final and i

Repository · JSON · Text for agents · Registry updated 2026-10-09