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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Home Docs Claude Code CLI 15 Sep 2026
One change · claude-code

Tools reference changed

tools-reference

Nearest release: v2.1.273, published 3 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.

Recorded here
Lines+1added
Lines−1removed
From line 240 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits37to this page, all time

The whole hunk

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241241[Subagents](/docs/en/sub-agents) never get the tool. Background tasks that share the main conversation's tool list see it, but calling it there ends nothing.
242242 
243The tool appears only when all of the following hold:
243The tool appears only when all of the following are true:
244244 
245245* **Version**: Claude Code v2.1.213 or later.
246246* **Model**: the session's model is Claude Opus 4.8, Claude Sonnet 5, Claude Fable 5, or a later version of one of those families.
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