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HomeDocsClaude Code CLI 8 Oct 2026
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Upstream edited this page at 8 Oct 2026 02:07 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 8 Oct 2026 03:07 UTC.

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631631### Session search limit
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633A session can make at most 200 WebSearch calls, counted across the main conversation and every [subagent](/docs/en/sub-agents) it spawns, so searches made by parallel research fan-outs count against the same limit. The limit requires Claude Code v2.1.212 or later. When Claude reaches the limit, further calls return a notice telling Claude to continue with the information it already gathered, rather than an error that would invite a retry. You don't see the notice: a capped call appears in the conversation as a search that did nothing, and if Claude needs more searches, the notice tells it to ask you to raise the limit.
633An interactive terminal session can make 200 WebSearch calls, counted across the main conversation and every [subagent](/docs/en/sub-agents) it spawns, so searches made by parallel research fan-outs count against the same limit. The limit requires Claude Code v2.1.212 or later. When Claude reaches the limit, further calls return a notice telling Claude to continue with the information it already gathered, rather than an error that would invite a retry. You don't see the notice: a capped call appears in the conversation as a search that did nothing, and if Claude needs more searches, the notice tells it to ask you to raise the limit.
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635Set the [`CLAUDE_CODE_MAX_WEB_SEARCHES_PER_SESSION`](/docs/en/env-vars) environment variable to change the cap; it accepts a positive whole number, so the cap can be raised but not turned off. Running [`/clear`](/docs/en/commands#all-commands) resets the count. If work that can still spawn [subagents](/docs/en/sub-agents) survives the clear, such as a running workflow, the count carries over instead.
635Set the [`CLAUDE_CODE_MAX_WEB_SEARCHES_PER_SESSION`](/docs/en/env-vars) environment variable to change the cap; it accepts a positive whole number, so the cap can be raised but not turned off. An interactive terminal session's limit refills at about 100 calls per hour, and [`CLAUDE_CODE_WEB_SEARCH_REFILLS_PER_HOUR`](/docs/en/env-vars#variables) sets the rate. Running [`/clear`](/docs/en/commands#all-commands) resets the count. If work that can still spawn [subagents](/docs/en/sub-agents) survives the clear, such as a running workflow, the count carries over instead.
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637637## Write tool behavior
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