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Incident detail

Authorization Failure Errors Connecting to the Slack MCP Sever

Authorization Failure Errors Connecting to the Slack MCP Sever

Resolved incidentMajor1 affected service

Timeline window

Mar 23, 2026, 2:40 AM UTC to Mar 23, 2026, 3:46 AM UTC

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Timeline

Incident updates

Updates are normalized from the official source chronology so timeline changes remain easy to scan.

  1. Investigating

    We are aware that customers are receiving authorization failure errors when trying to connect to the Slack MCP server. We are currently investigating the issue and will provide an update as soon as more information becomes available. We're very sorry for any inconvience this may be causing your business.

    Mar 23, 2026, 2:40 AM UTC

  2. Monitoring

    We continue to investigate the issue. At this time, it appears the impact is affecting users of certain third party Slack integrations. We’ll continue to provide updates as more information becomes available, and we apologize for any inconvenience this may be causing.

    Mar 23, 2026, 3:05 AM UTC

  3. Resolved

    We have resolved the issue that was causing users to experience authorization failures when connecting certain third-party integrations to Slack. We apologize for any inconvenience this may have caused and thank you for your patience.

    Mar 23, 2026, 3:46 AM UTC