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Sweep 23 Oct 2026 · 21:48Z Build v2.1.310 529 read Stable v2.1.308 Latest v2.1.309 Next v2.1.310 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Tool Annotations Charter changedcommunity/interest-groups/tool-annotations

Nearest release: v2.1.224, published 6 hours after upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 6 Aug 2026 18:59 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 22 Oct 2026 20:37 UTC.

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3030### Related Groups
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3232* **Security IG** - Trust and sensitivity annotations ([SEP-1913](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1913)) span both groups' interests
33* **[Skills Over MCP WG](/community/working-groups/skills-over-mcp)** - Skill-level metadata may interact with tool annotations for discovery and filtering
33* **[Skills Over MCP WG](/community/working-groups/skills-over-mcp.md)** - Skill-level metadata may interact with tool annotations for discovery and filtering
3434 
3535## Leadership
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