Anthropic incident

Elevated errors on Claude Code and Claude Cowork

Major Resolved Upstream link ↗

Started

August 28, 2026 at 05:22 PM UTC

Duration

2h 59m

Resolved

August 28, 2026 at 08:21 PM UTC

Updates timeline

  1. Identified

    We have identified an issue with an upstream cloud provider affecting Claude Cowork and Claude Code on the web. Some sessions may fail to start or disconnect mid-task; affected sessions can be retried. We are in contact with the provider and will provide an update as soon as possible.

  2. Monitoring

    A mitigation has been applied for the issue affecting Claude Cowork and Claude Code on the web, and we are monitoring for recovery. Sessions that disconnected earlier can be retried

  3. Resolved

    The issue affecting Claude Cowork and Claude Code on the web has been resolved.

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