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mcp/harbor
Grok

OpenRouter for Grok

io.github.tsilva/mcp-openrouter

MCP server providing access to 300+ AI models via OpenRouter

client:Grok transport:stdio runtime:pypi

Install OpenRouter in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp-openrouter": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-openrouter"
      ],
      "env": {
        "OPENROUTER_API_KEY": "<OPENROUTER_API_KEY>",
        "DEFAULT_TEXT_MODEL": "<DEFAULT_TEXT_MODEL>",
        "DEFAULT_IMAGE_MODEL": "<DEFAULT_IMAGE_MODEL>",
        "DEFAULT_CODE_MODEL": "<DEFAULT_CODE_MODEL>",
        "DEFAULT_VISION_MODEL": "<DEFAULT_VISION_MODEL>",
        "DEFAULT_EMBEDDING_MODEL": "<DEFAULT_EMBEDDING_MODEL>"
      }
    }
  }
}

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

OpenRouter in other clients

OpenRouter MCP server