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Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

Prompt capture

WebFetch tool description

27 model strings share this prompt, byte for byte.

v2.1.4 18 lines 1112 chars sha256 c57b7043bcc2 Plain text Whole capture

This renders the markdown inside the description, so it isn't quite the description itself. The raw view and the plain text are the bytes as they were sent.

  • Fetches content from a specified URL and processes it using an AI model
  • Takes a URL and a prompt as input
  • Fetches the URL content, converts HTML to markdown
  • Processes the content with the prompt using a small, fast model
  • Returns the model's response about the content
  • Use this tool when you need to retrieve and analyze web content

Usage notes:

  • IMPORTANT: If an MCP-provided web fetch tool is available, prefer using that tool instead of this one, as it may have fewer restrictions.
  • The URL must be a fully-formed valid URL
  • HTTP URLs will be automatically upgraded to HTTPS
  • The prompt should describe what information you want to extract from the page
  • This tool is read-only and does not modify any files
  • Results may be summarized if the content is very large
  • Includes a self-cleaning 15-minute cache for faster responses when repeatedly accessing the same URL
  • When a URL redirects to a different host, the tool will inform you and provide the redirect URL in a special format. You should then make a new WebFetch request with the redirect URL to fetch the content.