Monitoring changedmonitoring-usage
Nearest release: v2.1.288, published 4 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 2 Oct 2026 13:32 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 2 Oct 2026 13:37 UTC.
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281281* A call to any tool other than Read, Edit, Write, Bash, WebFetch, WebSearch, and MCP tools
282282* A Read that returns anything other than file text, such as an image, a PDF, or a re-read of a file whose contents haven't changed
283283* An Edit or Write call, unless you also set `OTEL_LOG_TOOL_DETAILS=1`
284* A WebFetch or WebSearch call that Claude Code moved to the background because you interrupted the turn to [send your queued messages right away](/docs/en/interactive-mode#when-claude-code-sends-what-you-queued) while the call ran. Claude receives that result later, after the tool span has ended
284* A WebFetch or WebSearch call that Claude Code moved to the background while it ran so that a waiting message could reach Claude. The result that arrives later isn't recorded either. To learn when Claude Code moves a call, see [When Claude Code sends what you queued](/docs/en/interactive-mode#when-claude-code-sends-what-you-queued) for the terminal and the [`priority` field](/docs/en/agent-sdk/typescript#sdkusermessage) for Agent SDK sessions
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286286The event carries these attributes, each truncated at the content limit (60 KB by default). `Gated by` names the variable an attribute needs on top of `OTEL_LOG_TOOL_CONTENT=1`, and for Edit and Write that variable gates the event itself rather than the attribute.
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