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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 6 Oct 2026
One change · api

server-tools changedagents-and-tools/tool-use/server-tools

Nearest release: v2.1.292, published 4 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

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First seen 14 Aug 2026 this site's first read of the page
Recorded edits7to this page, all time

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10711071 Unicode characters in domain names can bypass domain filters through homograph attacks: `аmazon.com` (with a Cyrillic `а`) looks identical to `amazon.com` but is a different domain. Use ASCII-only domain names in allow and block lists, and audit existing entries for non-ASCII characters.
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1074[Claude Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview) uses the same `allowed_domains` and `blocked_domains` fields on the `web_search` and `web_fetch` entries of the agent toolset. On Managed Agents, each list holds at most 64 entries, domains listed for `web_fetch` cannot include a path, and fields specific to the Messages API tools, such as `max_uses`, `citations`, and `cache_control`, are not available. See [Restrict web search and web fetch domains](https://platform.claude.com/docs/en/managed-agents/tools#restrict-web-search-and-web-fetch-domains) for the full rules.
1074[Claude Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview) uses the same `allowed_domains` and `blocked_domains` fields on the `web_search` and `web_fetch` entries of the agent toolset. On Managed Agents, each list holds at most 64 entries, domains listed for `web_fetch` cannot include a path, and fields specific to the Messages API tools, such as `max_uses`, `citations`, and `cache_control`, are not available. See [Domain list rules](https://platform.claude.com/docs/en/managed-agents/tools-web-restrictions#domain-list-rules) for the full rules.
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10761076Organization-level web search and web fetch settings in the Claude Console apply to Messages API requests only; they do not apply to Managed Agents sessions, which use only the per-tool lists on the agent toolset.
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