About Ecfr
Ecfr is an MCP server published by pipeworx-io in the Developer Tools category: eCFR (Electronic Code of Federal Regulations) MCP.
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Install
git clone https://github.com/pipeworx-io/mcp-ecfrThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (4)
get_section_textGet the actual REGULATION TEXT currently in force — a single CFR section OR a whole CFR part. PREFER for "what does 14 CFR 91.113 say", "read the text of <citation>", "the exact wording of <regulation>", "text of 22 CFR part 120", "40 CFR part 261". Pass the title number plus EITHER a section (e.g. title 14, section "91.113" → that section) OR a part (e.g. title 22, part "120" → every section in the part). Returns the heading(s) and full paragraph text. Use search_regulations first to find the citation if unknown.
Parameters not published.
list_titlesList all 50 titles of the US Code of Federal Regulations (Title 1 General Provisions … Title 50 Wildlife and Fisheries), with currency dates. This is the index for the `title` filter in search_regulations. Keyless.
Parameters not published.
search_regulationsFull-text search across all 50 titles of the US Code of Federal Regulations (federal agency regulations) via the official eCFR API. Returns matching sections with citation, heading, and excerpt. e.g. "drone operation", "food labeling", "overtime pay". Optionally restrict to one CFR title number. Keyless.
Parameters not published.
title_structureGet the top-level structure (chapters/subtitles) of one CFR title — the agencies and major divisions within that title. Returns a summarized one-level view, not the full deep tree. Keyless.
Parameters not published.
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