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mockserver for Grok

com.mock-server/mockserver

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

client:Grok transport:stdio runtime:oci

Install mockserver in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "mockserver": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/mockserver/mockserver:8.0.0"
      ]
    }
  }
}

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

mockserver in other clients