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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · mcp

Tools changedspecification/2025-03-26/server/tools

Nearest release: v2.1.305, published under an hour before 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 20 Oct 2026 20:02 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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First seen 26 Aug 2026 this site's first read of the page
Recorded edits3to this page, all time

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4949### Listing Tools
5050 
5151To discover available tools, clients send a `tools/list` request. This operation supports
52[pagination](/specification/2025-03-26/server/utilities/pagination).
52[pagination](/specification/2025-03-26/server/utilities/pagination.md).
5353 
5454**Request:**
5555 
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219219 
220220#### Embedded Resources
221221 
222[Resources](/specification/2025-03-26/server/resources) **MAY** be embedded, to provide additional context
222[Resources](/specification/2025-03-26/server/resources.md) **MAY** be embedded, to provide additional context
223223or data, behind a URI that can be subscribed to or fetched again by the client later:
224224 
225225```json theme={null}
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