Prefect Horizon incident

Server build jobs are delayed

Minor Resolved View vendor source →
Started
Mar 26, 2026, 10:42 PM UTC
Resolved
Mar 26, 2026, 11:45 PM UTC
Duration
1h 3m
Detected by Pingoru
Mar 26, 2026, 10:42 PM UTC

Affected components

Horizon: Builds (Builds)

Update timeline

  1. investigating Mar 26, 2026, 10:42 PM UTC

    MCP server builds are delayed due to a degradation in our background job system. The team is investigating Request serving is not impacted

  2. investigating Mar 26, 2026, 11:18 PM UTC

    A fix has been rolled out for the background system, and build jobs are catching up

  3. resolved Mar 26, 2026, 11:45 PM UTC

    Background job system is fully operational and builds are being started normally

Looking to track Prefect Horizon downtime and outages?

Pingoru polls Prefect Horizon's status page every 5 minutes and alerts you the moment it reports an issue — before your customers do.

  • Real-time alerts when Prefect Horizon reports an incident
  • Email, Slack, Discord, Microsoft Teams, and webhook notifications
  • Track Prefect Horizon alongside 5,000+ providers in one dashboard
  • Component-level filtering
  • Notification groups + maintenance calendar
Start monitoring Prefect Horizon for free

5 free monitors · No credit card required