EPA Envirofacts

live GovernmentEnvironment

US EPA Envirofacts MCP.

3 tools
0ms auth
free tier 50 calls/day

Tools

facilities_by_zip

List EPA-regulated facilities in a US ZIP code from the EPA Facility Registry Service (FRS). Returns each facility once with all the EPA programs (RCRAINFO, NPDES, AIRS, TRI, etc.) it's regulated unde

No parameters required.

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facilities_by_state

List EPA-regulated facilities in a US state (and optionally a city) from the EPA Facility Registry Service (FRS). Returns each facility once with all the EPA programs it is regulated under. Keyless.

No parameters required.

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get_facility

Look up one EPA-regulated facility by its FRS Registry ID. Returns the facility detail plus a programs[] array listing every EPA program (RCRAINFO, NPDES, AIRS, TRI, etc.) the site is regulated under.

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/epa-envirofacts/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/epa-envirofacts/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"facilities_by_zip","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("facilities_by_zip", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("us epa envirofacts mcp");