What you can ask

“What does eCFR (Electronic Code of Federal Regulations) have for the area or asset I'm working on?”
“Pull the most recent eCFR (Electronic Code of Federal Regulations) records and put them in a table.”
“What does eCFR (Electronic Code of Federal Regulations) cover, and how fresh is the data?”

Connect to your AI assistant

Paste this URL into Claude, ChatGPT, or any MCP client, then sign in when prompted. eCFR (Electronic Code of Federal Regulations) is ready as soon as you sign in.

https://patchops.ai/api/mcp

Add to Claude Add to ChatGPT Add to Cursor Add to VS Code

Claude: use Add to Claude, or Settings > Connectors > Add custom connector and paste the URL.

Claude Code

claude mcp add --transport http patchops https://patchops.ai/api/mcp

Step by step

1
Open connectors
In Claude, open Settings > Connectors and click "Add custom connector".
2
Paste the URL
Name it PatchOps and paste https://patchops.ai/api/mcp as the server URL, then click Add.
3
Sign in
Click Connect and sign in to PatchOps when Claude asks.
4
Start using
Ask Claude a question. It uses eCFR (Electronic Code of Federal Regulations) through PatchOps when it needs to.

› Technical details

eCFR — the Electronic Code of Federal Regulations: the CURRENT, codified text of U.S. federal regulations (Office of the Federal Register / NARA). Search what the rules SAY NOW, walk the nested hierarchy (title → chapter → part → section) of any CFR title as of a date, and trace the change/versio...

View the data contract and method schemas →