How Claude Tag works changedclaude-tag/concepts/how-it-works
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224224| A one-to-one DM with Claude | Yes | New top-level posts only, each after you select **Approve and post** |
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226226* **Attribution line**: every message Claude posts outside the conversation you asked from carries a line under it that names where it came from. When you ask in a thread, the line links back to that thread and names whoever last addressed Claude there, as in "Sent by Claude in #team-eng on behalf of @jordan". When you ask in a DM, the line names the person who approved the post, as in "Sent by Claude, approved by @jordan".
227* **Replies**: replies under a message Claude posted in another channel don't reach the session you asked in. To follow up on the original task, reply in the thread where you asked.
227* **Replies**: when you ask from a channel, Claude follows the thread it posted into, so replies there reach the session you asked in. Claude reads them and responds in the conversation where you asked, not in the other thread. Replies don't reach it while the conversation where you asked includes guests or is shared with another organization. When you ask from a one-to-one DM, replies under the post don't reach your DM; reply in the DM to follow up.
228* **Following a channel or thread**: ask Claude to watch another public channel or a thread in one, for example `@Claude follow #incidents and tell me here if anything mentions billing`. Claude must be a member of that channel. Claude reads new messages there and acts in the conversation where you asked, without posting in the followed channel. It doesn't receive them while the conversation where you asked includes guests or is shared with another organization. Ask Claude to stop following when it no longer matters. A follow you set up from a thread ends once that thread goes 7 days without a new message.
228229* **Which channels Claude can post into**: a public channel in the same Slack workspace that Claude is already a member of. Claude can't post into a Slack Connect channel or a [channel shared across workspaces](/docs/claude-tag/admins/restrict-access#channels-shared-across-workspaces-in-your-enterprise-grid), wherever you ask from.
229230* **If Claude isn't a member of the target channel**: when you ask from a channel, add Claude by sending `/invite @Claude` from inside the target channel. When you ask from a DM, approving the post adds Claude to the target channel.
230231* **Channels with guests**: Claude can post into a [channel that includes guests](/docs/claude-tag/admins/restrict-access#restrict-guest-channels) only when the **How should Claude work in channels with guests** setting covering that channel is **Full access**.
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