Resolved after 56 minutes, affecting Hosted Storybook, on September 4, 2026.
Published Storybook MCP has returned to normal, and requests are resolving as expected.
Affected components
Hosted Storybook
Update timeline
- investigating Sep 04, 2026, 04:20 PM UTC
We are investigating 503 and 504 errors on published Storybook MCP servers.
- investigating Sep 04, 2026, 04:50 PM UTC
We're rolling out a fix for the published Storybook MCP and continuing to monitor.
- resolved Sep 04, 2026, 05:16 PM UTC
Published Storybook MCP has returned to normal, and requests are resolving as expected.
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