eCFR regulation text search
Full-text search of the Code of Federal Regulations (eCFR): matching sections with title, part, section number, headings, an excerpt and the dates each version. Needs query.
Inputs
- Query
- Search text, e.g. 'beneficial ownership'Required · query
- Title
- CFR title number, e.g. 31Optional · title
- Agency slugs
- Agency slugs, e.g. ['treasury-department']Optional · agency_slugs
- Date
- Only text in force on this date (YYYY-MM-DD), e.g. '2025-01-01'Optional · date
- Per page
- Results per page (1-50), e.g. 10Optional · per_page
- Page
- Page number, e.g. 1Optional · page
Pricing
- Price
- Free, no charge per call
- Billing
- No charge per call. A workspace is still needed so your agent can call it.
- License
- Public domain (U.S. Government work)
- Attribution
- Data from eCFR.gov (Office of the Federal Register, National Archives)
Call
Your agent reads the schema and the price with inspect_tool before it runs the tool.
- MCP call
- cURL command
- TypeScript
- Tool ID
Alternatives
- Congress.gov bill actions and textsCongress.govFree
- Congress.gov bill detailCongress.govFree
- Congress.gov bill listCongress.govFree
- EUR-Lex act by CELEX numberEUR-LexFree
- EUR-Lex Cellar SPARQL queryEUR-LexFree
- EUR-Lex legal acts by dateEUR-LexFree
- European Parliament adopted textsEuropean ParliamentFree
- European Parliament MEP listEuropean ParliamentFree
- Compare all 148
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