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Nearest release: v2.1.288, published 6 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 3 Oct 2026 01:11 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 3 Oct 2026 01:37 UTC.
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18951895These steps change one of your own environments. An [organization-shared environment](/docs/en/cloud-environments#organization-shared-environments) opens read-only in the selector, so ask an Owner to change its network access from the **Cloud environments** page in [admin settings](https://claude.ai/admin-settings).
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18971897* Open your environment for editing, either from the [routine's form](/docs/en/routines#environments-and-network-access) or from the [environment selector](/docs/en/cloud-environments#configure-your-environment) where you start cloud sessions.
1898* In the **Edit cloud environment** dialog, change **Network access** from **Trusted** to **Custom**, then add the blocked domain to **Allowed domains**. Enter one domain per line. Check **Also include default list of common package managers** to keep the [default allowlist](/docs/en/cloud-environments#default-allowed-domains) alongside your custom domains. Select **Full** instead if you want unrestricted access.
1898* In the **Edit environment** dialog, change **Network access** from **Trusted** to **Custom**, then add the blocked domain to **Allowed domains**. Enter one domain per line. Check **Also include default list of common package managers** to keep the [default allowlist](/docs/en/cloud-environments#default-allowed-domains) alongside your custom domains. Select **Full** instead if you want unrestricted access.
18991899* Click **Save changes**. The next run uses the updated allowlist. For a cloud session that's already open, see [when a network access change reaches existing sessions](/docs/en/cloud-environments#network-access).
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19011901See [Network access](/docs/en/cloud-environments#network-access) for access levels and the default allowlist. Local CLI sessions are not affected by this policy.
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28012801What follows the first line depends on how the value failed. Claude Code runs these checks in order and stops at the first one that fails. If your value has two kinds of problem, you see the second only after you fix the first:
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28031. When the value begins with `{` but doesn't parse as JSON, or the contents of an `--age
28031. When the value begins with `{` but doesn't parse as JSON, or the contents of an `--agents` f
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