US - Disruption with some GitHub services

Incident Report for GitHub Enterprise Cloud US

Resolved

On September 29, 2025 between 16:26 UTC and 17:33 UTC the Copilot API experienced a partial degradation causing intermittent erroneous 404 responses for an average of 0.2% of GitHub MCP server requests, peaking at times around 2% of requests. The issue stemmed from an upgrade of an internal dependency which exposed a misconfiguration in the service.

We resolved the incident by rolling back the upgrade to address the misconfiguration. We fixed the configuration issue and will improve documentation and rollout process to prevent similar issues.

Posted Sep 29, 2025 - 17:33 UTC

Update

Customers are getting 404 responses when connecting to the GitHub MCP server. We have reverted a change we believe is contributing to the impact, and are seeing resolution in deployed environments.

Posted Sep 29, 2025 - 17:28 UTC

Investigating

We are currently investigating this issue.

Posted Sep 29, 2025 - 16:45 UTC