Disruption with some GitHub services
Jul 16, 09:13 UTCJul 16, 12:20 UTC
Duration
3h 7m
Impact
Critical
Root cause
Not disclosed
GitHub, 90 days
68 incidents
Affected
Not listed by the vendor.
Final update
On July 16, 2026, between 08:50 UTC and 09:50 UTC, the GitHub MCP Server’s web_search tool experienced elevated failures. The average error rate was 42% and peaked at 82% of requests to the tool. Other GitHub MCP Server tools were unaffected. This was caused by degradation at a downstream web search provider. The incident was mitigated when the downstream provider recovered, after which we confirmed that the tool’s success rate had returned to normal. We are improving the tool’s resilience and failure handling to reduce the customer impact and duration of similar incidents.
Timeline
- Resolved · Jul 16, 12:20 UTC
On July 16, 2026, between 08:50 UTC and 09:50 UTC, the GitHub MCP Server’s web_search tool experienced elevated failures. The average error rate was 42% and peaked at 82% of requests to the tool. Other GitHub MCP Server tools were unaffected. This was caused by degradation at a downstream web search provider. The incident was mitigated when the downstream provider recovered, after which we confirmed that the tool’s success rate had returned to normal. We are improving the tool’s resilience and failure handling to reduce the customer impact and duration of similar incidents.
More from GitHub
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2310:11 UTC | Incident across several services | minor | Ongoing |
| Sep 2022:13 UTC | Incident with Pull Requests | minor | 1h 9m |
| Sep 1720:59 UTC | Elevated rate of errors for OpenAI models provided by Copilot | minor | 50m |
| Sep 1607:20 UTC | Degradation with Gemini 3.8 Flash | major | 10h 28m |
| Sep 1519:11 UTC | Disruption with some GitHub services | minor | 49m |
| Sep 1509:47 UTC | Disruption with some GitHub services | minor | 1h 30m |
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