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Slack setup step by step

Slack setup is usually about mode choice, app secrets, workspace install, and scope health more than anything else.

Slack ruleMany “connected but weird” Slack states are really mode or scope problems, not raw transport failure.
Setup ladder

The order that keeps Slack debuggable

  1. Choose the correct mode. Socket-mode and HTTP-mode assumptions are not interchangeable.
  2. Verify tokens/secrets. The runtime must actually be reading the correct secrets.
  3. Confirm workspace install and scopes. Transport success is not enough if the app lacks the needed permissions.
  4. Test one real message path. Prove one channel or DM path before broad claims.
Common blockers

What usually goes wrong first on Slack

Mode mismatchThe configured transport assumptions do not match the selected Slack mode.
Missing token or signing secretThe selected mode cannot work until the runtime sees the right secrets.
Workspace scope problemThe app connects but still cannot reply the way you expect.
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