Checked fact 106112 Oct 2026Agents and apps
Anthropic's Claude Platform release notes list, under October 7, 2026: "In Claude Managed Agents, the web_fetch tool now fetches only URLs that have already appeared in the session, for example in the text of a user message, in a web_search result, or in a page that web_fetch returned earlier."
The exact words it rests on
In Claude Managed Agents, the web_fetch tool now fetches only URLs that have already appeared in the session, for example in the text of a user message, in a web_search result, or in a page that web_fetch returned earlier.
What the source said when we opened it, on 12 Oct 2026.
The source
Claude Platform release notes
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