Web Search Tool

The Web Search Tool allows the express agent to ground its response using results fetched from the web (max 1 web search).

To enable it, pass it through the tools option:

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{
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  "agent": "express",
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  "input": "What is the capital of France?",
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  "stream": false,
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  "tools": [
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    {
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      "type": "web_search"
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    }
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  ]
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}

See the tools request parameter in the Express API Reference for details.