Incident report · read from Anthropic's status page

Anthropic incident: Elevated errors affecting the Google Calendar connector

Resolved after 3 h 46 m (28 Oct 2026, 16:19–20:05 UTC), impact minor, affecting Claude Cowork, claude.ai and Claude Code.

Timeline

1. 28 Oct 2026 at 16:19 UTC investigating

   We are investigating elevated errors affecting the Google Calendar connector. Some requests to list or search calendar events have been failing since October 26. We will provide an update as soon as possible.

2. 28 Oct 2026 at 17:59 UTC investigating

   We are continuing to investigate elevated errors affecting the Google Calendar connector, and are working with our upstream provider. We will provide another update as soon as we have more information.

3. 28 Oct 2026 at 19:47 UTC monitoring

   We are seeing recovery for errors affecting the Google Calendar connector, and error rates have returned to normal levels. We are continuing to monitor with our upstream provider.

4. 28 Oct 2026 at 20:05 UTC resolved

   The issue affecting the Google Calendar connector on claude.ai, Claude Code, and Claude Cowork has been resolved. Impact occurred from 04:07 PT / 11:07 UTC on October 26 to 11:52 PT / 18:52 UTC on October 28.

Affected components

• Claude Cowork: degraded for 3 h 46 m
• claude.ai: degraded for 3 h 46 m
• Claude Code: degraded for 3 h 46 m

Source

Anthropic's own report of this incident, on Anthropic's status page. This page is a record of Anthropic's own report; where the two disagree, theirs is right.

Last checked 30 Oct 2026 at 15:33 UTC.

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