Mockserver MCP Server

Mock, record/replay, verify and chaos-test any HTTP/REST/gRPC/LLM dependency over MCP.

Local serverstdioPython

What is the Mockserver MCP Server?

Mock, record/replay, verify and chaos-test any HTTP/REST/gRPC/LLM dependency over MCP.

What you get

MockServer is an HTTP(S) mock server and proxy for testing. It does three things:

Configuration and credentials

Runtime: MockServer 6.x requires Java 17+. The minimum was raised from Java 11 as part of the Jakarta EE 10 / Spring 7 platform modernisation — see the Java 17 / Jakarta upgrade guide. If you are still on Java 11, pin to the 5.15.x line (no longer receiving security updates). The official Docker image already bundles a Java 17 runtime.

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How to install the Mockserver MCP Server

{
  "mcpServers": {
    "mockserver": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "mockserver/mockserver"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

Runtime: MockServer 6.x requires Java 17+. The minimum was raised from Java 11 as part of the Jakarta EE 10 / Spring 7 platform modernisation — see the Java 17 / Jakarta upgrade guide. If you are still on Java 11, pin to the 5.15.x line (no longer receiving security updates). The official Docker image already bundles a Java 17 runtime.

Example prompts to try

  • “Use Mockserver to OpenAPI.”
  • “Use Mockserver to Verification.”
  • “Use Mockserver to Postman.”

Frequently asked questions

Mock, record/replay, verify and chaos-test any HTTP/REST/gRPC/LLM dependency over MCP. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.