feat(slack): add strict_mention gate for channel threads#12258
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ching-kaching wants to merge 1 commit into
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feat(slack): add strict_mention gate for channel threads#12258ching-kaching wants to merge 1 commit into
ching-kaching wants to merge 1 commit into
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Adds a strict_mention config option that, when enabled, requires an explicit @-mention on every message in channel threads. Disables the 'once mentioned, forever in the thread' and session-presence auto-triggers. - New _slack_strict_mention() helper (config.extra + SLACK_STRICT_MENTION env) - Bridged top-level slack.strict_mention yaml to SLACK_STRICT_MENTION env, matching require_mention/allow_bots bridging - Unit tests for the helper + config bridge
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We also encountered this annoying behavior, thanks for the patch |
This was referenced Apr 21, 2026
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Problem
In Slack channel threads, once the bot has been @-mentioned once (or has any active session for that thread), it auto-responds to every subsequent message — even when humans are talking to each other and not addressing the bot. This makes it noisy and intrusive in multi-person threads.
The existing
require_mentionflag only gates the first message; once triggered, the bot sticks around forever.Summary
Adds an opt-in
strict_mentionconfig for Slack. When enabled, the bot only responds in channel threads when explicitly @-mentioned in the specific message — disabling the 'once mentioned, forever in the thread', bot-message follow-up, and session-presence auto-triggers. Want a follow-up? @-mention again.DMs and free-response channels are unaffected.
Changes
gateway/platforms/slack.py— new_slack_strict_mention()helper (readsplatforms.slack.extra.strict_mentionorSLACK_STRICT_MENTIONenv) + one-line gate in the channel mention-gating blockgateway/config.py— bridges top-levelslack.strict_mentionyaml →SLACK_STRICT_MENTIONenv, matching howrequire_mention/allow_bots/free_response_channelsare already bridgedtests/gateway/test_slack_mention.py— 7 unit tests for the helper + 1 config bridge testConfig
Or via env:
SLACK_STRICT_MENTION=trueBehavior matrix
strict_mention: true