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mcp/harbor
Grok

Epa Echo for Grok

io.github.pipeworx-io/epa-echo

EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)

client:Grok transport:streamable-http

Install Epa Echo in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "epa-echo": {
      "type": "http",
      "url": "https://gateway.pipeworx.io/epa-echo/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

Epa Echo in other clients

Epa Echo MCP server