MO

mockd

io.mockd/mockd

Multi-protocol API mock server: HTTP, GraphQL, gRPC, WebSocket, MQTT, SSE, SOAP.

Yes, if you run it on your computer.This is a local server: your AI app launches it on your machine (Claude Desktop, Cursor, VS Code, Claude Code). Browser-only apps like ChatGPT on the web can't run it.

Connect it

{
  "mcpServers": {
    "mockd": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/getmockd/mockd"
      ]
    }
  }
}

Alternatives in Developer Tools

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Try “Notion”, “Stripe”, “create invoice”, “browser”