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Nearest release: v2.1.287, published 4 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 1 Oct 2026 21:15 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 1 Oct 2026 21:37 UTC.

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### WebFetch availability

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588588Sandboxed commands don't inherit WebFetch's built-in set of preapproved documentation domains. To let a sandboxed command reach a domain without a prompt, add the domain to [`allowedDomains`](/docs/en/settings-reference#sandbox-network-alloweddomains) or allow it with a `WebFetch(domain:...)` rule, which the [sandbox also honors](/docs/en/sandboxing#network-isolation). WebFetch never reads the sandbox allowlist in return, so adding a domain to a sandbox or organization network allowlist doesn't stop WebFetch from prompting for it.
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590### WebFetch availability
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592On Claude Code v2.1.285 or later, set [`CLAUDE_CODE_DISABLE_WEB_FETCH`](/docs/en/env-vars#variables) to `1` to turn WebFetch off.
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594If you sign in with a Team or Enterprise claude.ai account and don't connect through an [LLM gateway](/docs/en/llm-gateway), WebFetch also depends on your organization's policy, which Claude Code requests from `api.anthropic.com` when a session starts. The same goes for a session whose plan Claude Code can't determine, such as one running under a claude.ai token that another app supplied.
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596If WebFetch is missing from a session, run `/status` in the session. If its `Organization policy` line reports that the policy didn't load and names web fetch among the features that wait for it, Claude Code is withholding WebFetch until it can confirm that your organization allows it. Outside a session, `claude doctor` makes its own request and prints the same line. Once a policy that allows WebFetch loads, the tool returns without a restart.
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590598## WebSearch tool behavior
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592600WebSearch runs a query against Anthropic's [web search](https://platform.claude.com/docs/en/agents-and-tools/tool-use/web-search-tool) backend and returns result titles and URLs. It doesn't fetch the result pages. To read a page Claude finds in search results, it follows up with [WebFetch](#webfetch-tool-behavior).
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