Tools reference changedtools-reference
Nearest release: v2.1.285, published 10 hours 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 30 Sep 2026 04:31 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 30 Sep 2026 04:37 UTC.
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345345### WebSocket source
346346
347<Note>
348 The WebSocket source requires Claude Code v2.1.195 or later.
349</Note>
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351347When a server already pushes events over a WebSocket, Claude can connect to it directly instead of writing a polling script. Each kind of socket activity either becomes an event or ends the watch:
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353349* **Text messages**: each one becomes one event, even when the message spans multiple lines.
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