Regulations / CFR data for AI agents
US Federal Register rules and notices plus Code of Federal Regulations text. Freshness depends on the upstream publication. Where the upstream source provides it, the response includes a timestamp or freshness note.
Get a free key → See all 5 tools
How to connect
These Regulations / CFR tools use the same LiveDataLink endpoint as the rest of the catalog. Add it to an MCP client that supports Streamable HTTP and include your bearer key. Each source has its own coverage, update schedule, and credential requirements; those limits are listed in the catalog and response notes.
{
"mcpServers": {
"livedatalink": {
"url": "https://livedatalink.ai/mcp",
"headers": { "Authorization": "Bearer YOUR_API_KEY" }
}
}
}Once connected, call any tool below. The free tier covers 1,000 queries each month across the 377-tool catalog, with no credit card.
Regulations / CFR tools (5)
| reg_search | Search Federal Register rules, proposed rules, and notices by keyword, agency, type, date. |
| reg_document | Full metadata and plain-text body excerpt for one Federal Register document. |
| reg_cfr_search | Full-text search the current Code of Federal Regulations (all 50 titles). |
| reg_cfr_section | Current text of a specific CFR section (e.g. 40 CFR 98.411). |
| reg_cfr_titles | List the 50 CFR titles with the date each is current as of. |
Common queries this domain answers: regulation · regulations · federal register · cfr · code of federal regulations · rule · rulemaking · proposed rule · final rule · notice · ecfr · agency rule · presidential document · executive order · comment period · regulatory · title 40 · title 26.
Why LiveDataLink for Regulations / CFR
- One key, 81 domains. These tools sit alongside FMCSA carrier safety, sanctions screening, SEC filings, courts, Census, and FRED through the same endpoint. Source coverage and credentials vary by tool.
- Check source terms. Sourced from Federal Register / eCFR; review its attribution and redistribution rules before shipping results.
- For agent workflows. Read-only annotated MCP tools over Streamable HTTP with Bearer auth. Use them with clients that support this transport, including compatible Claude, Cursor, and n8n setups.
FAQ
- What can I look up in Regulations / CFR?
- US Federal Register rules and notices plus Code of Federal Regulations text. Freshness depends on the upstream publication. The catalog has 5 tools, including reg_search, reg_document, reg_cfr_search, reg_cfr_section, reg_cfr_titles. They are available over the Model Context Protocol at https://livedatalink.ai/mcp. Coverage and update timing come from Federal Register / eCFR.
- How do I connect these tools?
- Add https://livedatalink.ai/mcp as a Streamable HTTP MCP server in Claude, Cursor, n8n, or another compatible client, then send an "Authorization: Bearer YOUR_API_KEY" header. A free key includes 1,000 queries/month with no card at https://livedatalink.ai/signup/free. The same key works across domains, although some upstream sources have their own credentials or limits.
- Can I reuse the results in my product?
- That depends on Federal Register / eCFR's terms. Check its attribution and redistribution rules before shipping results to customers. LiveDataLink's free tier includes 1,000 queries/month, and paid plans start at $10/month.