io.github.cyanheads/epa-mcp-server MCP Server

io.github.cyanheads/epa-mcp-server

Repository Registry

What is the io.github.cyanheads/epa-mcp-server MCP server?

Search EPA compliance, TRI, Superfund, drinking-water, EJScreen, and AirNow data.

How to install io.github.cyanheads/epa-mcp-server

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

AIRNOW_API_KEY
Optional AirNow API key for real-time and forecast air quality data. When unset, the epa_get_air_quality tool is not registered and the other tools run without it. Free registration at docs.airnowapi.org.
EJSCREEN_API_BASE_URL
Optional override for the EJScreen (EJAM) API base URL used by epa_get_ejscreen. Defaults to https://api.ejanalysis.com — the community-maintained EJScreen rehost by Public Environmental Data Partners.
MCP_LOG_LEVEL
Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
MCP_HTTP_HOST
The hostname for the HTTP server.
MCP_HTTP_PORT
The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH
The endpoint path for the MCP server.
MCP_AUTH_MODE
Authentication mode to use: 'none', 'jwt', or 'oauth'.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "epa-mcp-server": {
      "command": "node",
      "args": [
        "-y",
        "@cyanheads/epa-mcp-server",
        "run",
        "start:stdio"
      ],
      "env": {
        "AIRNOW_API_KEY": "<YOUR_AIRNOW_API_KEY>",
        "EJSCREEN_API_BASE_URL": "<YOUR_EJSCREEN_API_BASE_URL>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>",
        "MCP_HTTP_HOST": "<YOUR_MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<YOUR_MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<YOUR_MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<YOUR_MCP_AUTH_MODE>"
      }
    }
  }
}

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