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Web fetch tool (web_fetch)

The web_fetch tool allows the Gemini agent to retrieve and process content from specific URLs provided in your prompt.

Technical reference​

The agent uses this tool when you include URLs in your prompt and request specific operations like summarization or extraction.

Arguments​

  • prompt (string, required): A request containing up to 20 valid URLs (starting with http:// or https://) and instructions on how to process them.

Technical behavior​

  • Confirmation: Triggers a confirmation dialog showing the converted URLs.
  • Processing: Uses the Gemini API's urlContext for retrieval.
  • Fallback: If API access fails, the tool attempts to fetch raw content directly from your local machine.
  • Formatting: Returns a synthesized response with source attribution.

Use cases​

  • Summarizing technical articles or blog posts.
  • Comparing data between two or more web pages.
  • Extracting specific information from a documentation site.

Next steps​