eCFR.io Federal Regulations

Connect Remote server

claude mcp add --transport http ecfr https://ecfr.io/mcp

{
  "mcpServers": {
    "ecfr": {
      "url": "https://ecfr.io/mcp"
    }
  }
}

{
  "servers": {
    "ecfr": {
      "type": "http",
      "url": "https://ecfr.io/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://ecfr.io/mcp

Tools 3 found in our last check

• search_regulations

  Search current US CFR text or a citation such as 31 CFR 10.1. Returns snippets and legal/inline citations with ecfr.io links. Fetch matching regulations before quoting. For every regulatory claim or quotation, include the returned inlineCitation (Markdown link to ecfr.io), or le…

• get_regulation

  Retrieve regulation text and child links by canonical path returned by search, e.g. /Title-31/Section-10.1. Inspect dates and stale flags. Follow nextOffset until null for all text. For every regulatory claim or quotation, include the returned inlineCitation (Markdown link to ec…

• list_titles

  List the CFR titles with source dates and canonical ecfr.io URLs. Browse children with get_regulation.

Details

More search and web servers See all

• Live Sports Scores & Betting Odds MCP Server

  Keyless sports scores, betting odds, injuries & news: NFL NBA MLB NHL soccer. No API key.

• Knowra

  Search arXiv papers and read Scout reports with methods, evidence and verification points.

• Contract Compass

  Korean public procurement law: rule-engine rulings, statutes search, live court precedents

• Korea Realty

  Korean real estate: court auctions, 10M+ MOLIT records, subscription notice facts, loan/DSR rules

• 校招宝 · 中国校园招聘岗位数据

  中国校园招聘（秋招/春招/实习/提前批）在招岗位、企业档案、投递截止与求职攻略数据。免 API Key、免注册、只读。

• IBDÅ

  Ask about IBDÅ, a design-led R&D and innovation studio in Dubai, and prepare a project enquiry.