What you can ask

“What does CalEPA / DTSC / OEHHA have for the area or asset I'm working on?”
“Pull the most recent CalEPA / DTSC / OEHHA records and put them in a table.”
“What does CalEPA / DTSC / OEHHA 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. CalEPA / DTSC / OEHHA is ready as soon as you sign in.

https://patchops.ai/api/mcp

Add to Claude 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 CalEPA / DTSC / OEHHA through PatchOps when it needs to.

› Technical details

California EPA: DTSC Envirostor cleanup database, OEHHA CalEnviroScreen, and DTSC HWTS. ~13.7K cleanup sites with 13 site_types, ~8K CalEnviroScreen census tracts (a CEQA-relevant disadvantaged-community overlay), and ~107K active RCRA hazardous-waste handlers.

View the data contract and method schemas →