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HomeDocsClaude Documentation 14 Oct 2026
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Configure per-channel access changedclaude-tag/admins/attach-to-scope

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Upstream edited this page at 14 Oct 2026 02:34 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 14 Oct 2026 02:37 UTC.

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9696A rule's pattern has its own constraints:
9797 
9898* **Pattern syntax**: a rule's pattern follows the same syntax as the other [channel name patterns](/docs/claude-tag/admins/restrict-access#block-or-auto-join-channels-by-name), lowercase with `*` matching any run of characters and `?` matching exactly one
99* **Number of rules**: each scope holds up to 20 channel rules
99* **Number of rules**: each scope holds up to 50 channel rules, and a rule with more than one bundle counts once for each bundle
100100* **Organization patterns**: on a workspace's page, the **Auto-join channels** table also lists the organization's patterns, marked **Org-wide**. You can attach a bundle to an **Org-wide** pattern from the workspace's table, and that rule covers only the workspace's matching channels. You edit the pattern itself on the **Slack** page.
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102102<Warning>A channel rule grants its bundle in every matching channel Claude is in, now or in the future, and anyone who can rename a channel can move it into or out of a pattern. Keep elevated credentials out of broad patterns, and add a [blocked channel pattern](/docs/claude-tag/admins/restrict-access#block-or-auto-join-channels-by-name) for name shapes that should never carry access; a blocked channel stays off-limits whatever rules match it.</Warning>
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