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Roo Code MCP docs You can find your API key at ref.tools/keys

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Install Steps

  1. Click the ... icon in the top right to expand additional menu items and selecte MCP Servers
  2. Click either Edit Global MCP or Edit Project MCP.
  3. Update the json file that is opened to match the following. 
{
  "mcpServers": {
    "Ref": {
      "command": "npx",
      "args": ["ref-tools-mcp@latest"],
      "env": {
        "REF_API_KEY": "<YOUR_API_KEY>"
      }
    }
  }
}

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Verify

Open a new chat and issue the prompt. 
what is ref tools mcp, search the docs with ref
This should results in a ref_search_documentation tool call.

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Get help

If you have any issues, please reach out to help@ref.tools. We’re happy to help you get started!