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

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Install Steps

  1. Create an opencode.jsonc file in your project that matches the following:
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "Ref": {
      "type": "remote",
      "url": "https://api.ref.tools/mcp",
      "enabled": true,
      "headers": {
        "x-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!