mockd

mockd is a local MCP server: Multi-protocol API mock server: HTTP, GraphQL, gRPC, WebSocket, MQTT, SSE, SOAP. Install it from oci as ghcr.io/getmockd/mockd.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add mockd -- docker run -i --rm ghcr.io/getmockd/mockd

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

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

• Runtime: Docker.
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.