Cursor incident: Investigating service degradation

Affected components

• CLI
• IDE

1. resolvedSep 16, 2026, 08:42 UTC

   This incident has been resolved.

2. monitoringSep 16, 2026, 08:09 UTC

   A fix has been implemented. We are monitoring recovery and will provide another update once the incident is fully resolved.

3. investigatingSep 16, 2026, 08:03 UTC

   We are investigating elevated error rates affecting xAI models in the Cursor IDE and CLI. Some Agent requests may fail.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Cursor's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• MongoDB Atlas: Impaired Cluster operations in AWS me-central-1 and AWS me-south-1Major · Sep 3, 2026, 16:44 UTC
• Elasticsearch: Elastic Agent enrollment/check-in failures on 9.5.3 (and 9.4.6) with Fleet remote Elasticsearch outputMajor · Sep 9, 2026, 20:44 UTC
• GitHub: Degradation with Gemini 3.8 FlashMajor · Sep 16, 2026, 07:20 UTC
• Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to Hong KongMinor · Sep 12, 2026, 00:16 UTC
• ClickHouse Cloud: ClickPipes failing on Kinesis in AWS us-east-1Minor · Sep 15, 2026, 18:57 UTC
• Telnyx: SMS Delivery — Encoding Issues on Outbound Messages to T-MobileMinor · Sep 15, 2026, 21:57 UTC
• Shippo: Elevated error rate USPS Manifest generationMinor · Sep 16, 2026, 04:25 UTC
• Supabase: Auth Service OutageMinor · Sep 16, 2026, 07:17 UTC

How often does Cursor have incidents?

Cursor reported 50 incidents in the last 90 days, 15 of them major or critical. A typical incident lasted 1h 8m. See Cursor's uptime and incident history