Cursor incident: Elevated errors affecting Anthropic models

Affected components

• Automations
• CLI
• Cloud Agents
• IDE

1. resolvedOct 6, 2026, 16:00 UTC

   This incident has been resolved.

2. investigatingOct 6, 2026, 12:40 UTC

   We are investigating a service degradation affecting Opus 5.5. More information: https://status.claude.com/incidents/ch27pb90bn85

What APIStatus.watch saw

• Oct 6, 2026, 12:43 UTCoperational → degraded
• Oct 6, 2026, 16:08 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• ElevenLabs: EU Agents disruption in SIP callsMajor · Oct 6, 2026, 10:28 UTC
• Anthropic: Elevated errors for Claude Opus 5.5Major · Oct 6, 2026, 12:24 UTC
• Elasticsearch: Delayed Serverless Metrics in Azure UAE North regionMajor · Oct 6, 2026, 14:04 UTC
• Snowflake: INC20000263Major · Oct 6, 2026, 14:44 UTC
• CircleCI: Delays in pipelines, workflows, UI data, and notificationsMajor · Oct 6, 2026, 16:00 UTC
• Akamai: Origin Server Connectivity Issues with Elevated Errors in APAC RegionMinor · Sep 22, 2026, 14:28 UTC
• Cloudflare: Cloudflare One Clients are incorrectly challenged on some sitesMinor · Sep 22, 2026, 19:23 UTC
• Zoom: Service Degradation Affecting Customer Using Polycom Devices Going OfflineMinor · Sep 25, 2026, 17:45 UTC
• Twilio: MMS Delivery Delays from a Subset of Twilio Long Codes to GCI United StatesMinor · Sep 26, 2026, 03:16 UTC
• Clerk: Development instances only - Apple rejecting emailsMinor · Sep 28, 2026, 15:23 UTC

How often does Cursor have incidents?

Cursor reported 88 incidents in the last 90 days, 24 of them major or critical. A typical incident lasted 1h 12m. See Cursor's uptime and incident history