eCFR

Ingested from the official MCP Registry

FastDrop pulled this entry from the official MCP Registry as com.1102tools/ecfr-mcp and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed and the description is not theirs.

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Tools this endpoint exposes

Read directly from the endpoint on 21 Oct 2026. Not supplied by the maker.

• get_latest_date

  Get the most recent available date for a CFR title. CRITICAL: eCFR lags 1-2 business days behind the Federal Register. Using today's date on versioner endpoints causes 404 errors. Call this

• get_cfr_content

  Get the full text of a CFR section, subpart, part, or appendix. This is the primary workhorse for reading regulatory text. Returns parsed clean text by default: heading, paragraphs and citati

• get_cfr_structure

  Get the hierarchical table of contents for a CFR title or subset. Returns a nested tree of titles, chapters, parts, subparts, and sections with identifiers, descriptions, and byte sizes, plus

• get_version_history

  Get the version history of a CFR section, subpart, or part. Returns content_versions (each with date, amendment_date, issue_date, identifier, name, substantive and removed), every version eCF

• get_ancestry

  Get the breadcrumb hierarchy path for a section, part, or appendix. Returns ancestors from title down to the target node: title > chapter > subchapter > part > subpart > section. Useful for u

• search_cfr

  Full-text search across the Code of Federal Regulations. Returns matching sections with excerpts, headings, scores, and hierarchy. current_only=True (default) returns only text in effect now

• list_agencies

  List all agencies with their CFR title and chapter references. Returns agency names, slugs, and which CFR titles/chapters they own. Useful for finding which chapter corresponds to an agency's

• get_corrections

  Get editorial corrections for a CFR title, newest first. Returns corrections with CFR references, corrective actions, error dates, and FR citations, sorted by the date the error was corrected

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