Mockd

Name: Mockd
Author: getmockd

@getmockd

Repository

About Mockd

No overview available yet

#api #mock #testing #mcp #graphql #grpc #websocket #mqtt #sse #soap #chaos-engineering #openapi

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mockd": {
      "command": "docker",
      "args": [
        "run",
        "-p",
        "4280:4280",
        "-p",
        "4290:4290",
        "ghcr.io/getmockd/mockd:latest"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Mockd?

Mockd is an MCP server that provides AI-native API mocking for seven protocols (HTTP, gRPC, GraphQL, WebSocket, MQTT, SSE, and SOAP) from a single binary with zero runtime dependencies. It is designed for developers who need to create, manage, and share mock APIs across multiple protocols, and integrates with AI‑powered editors like Cursor, Windsurf, and Claude Code.

How to use Mockd?

Start the MCP server by running mockd mcp (stdio transport). The server exposes 18 tools for full mock lifecycle management, including CRUD operations, import/export, chaos engineering, mock verification, and stateful resource management. You can then connect to it from any MCP‑compatible client or AI editor.

Key features of Mockd

Multi‑protocol mocking (HTTP, gRPC, GraphQL, WebSocket, MQTT, SSE, SOAP) natively in one binary.
Import from OpenAPI, Postman, HAR, WireMock, cURL, and WSDL files.
Built‑in cloud tunnel for sharing local mocks over a single QUIC connection.
Chaos engineering with 10 built‑in profiles (e.g., flaky, slow).
Stateful CRUD with automatic ID generation and cross‑protocol data sharing.
Proxy recording and replay of real API traffic.
Web dashboard for visual mock management.
18 MCP tools for AI‑driven mock lifecycle management.

Use cases of Mockd

Rapidly prototype and test frontend applications against simulated APIs.
Share mocks instantly with remote teammates via cloud tunneling.
Simulate API failures and latency to test application resilience.
Record real API responses and replay them as reliable test fixtures.
Generate and manage mock data from AI editors without leaving the IDE.

FAQ from Mockd

What protocols does Mockd support?

Mockd supports HTTP/HTTPS, gRPC, GraphQL, WebSocket, MQTT, SSE, and SOAP – all bundled in a single binary.

Does Mockd require a runtime like Java or Node.js?

No. Mockd is a standalone Go binary with zero runtime dependencies.

How do I install Mockd?

Install via curl -sSL https://get.mockd.io | sh, Homebrew (brew install getmockd/tap/mockd), Docker (docker pull ghcr.io/getmockd/mockd), or go install.

Is there a web interface for managing mocks?

Yes. Release builds include a built‑in web dashboard served on the admin port (default 4290).

How do I start the MCP server?

Run mockd mcp to start the MCP server using stdio transport. It exposes 18 tools for mock lifecycle management from AI‑powered editors.

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