Resolved after 46 minutes, affecting MCP, on October 7, 2026.
Listing threads via the Plain MCP server is working again. Between 15:41 and 16:45 UTC, these requests failed. The Plain app and API weren't affected. If your AI client still shows errors, start a new session and try again.
Affected components
Update timeline
- investigating Oct 07, 2026, 04:09 PM UTC
Since 15:41 UTC, listing threads through the Plain MCP server fails with an error. The Plain app and API are working normally. We've identified the cause and are deploying a fix. We'll update this page once it's live.
- identified Oct 07, 2026, 04:21 PM UTC
We've found the cause and are rolling out a fix. Listing threads via the Plain MCP server will keep failing until it's live. The Plain app and API aren't affected.
- monitoring Oct 07, 2026, 04:50 PM UTC
We've deployed a fix, and listing threads via the Plain MCP server is working again. We're monitoring to make sure it stays that way.
- resolved Oct 07, 2026, 04:55 PM UTC
Listing threads via the Plain MCP server is working again. Between 15:41 and 16:45 UTC, these requests failed. The Plain app and API weren't affected. If your AI client still shows errors, start a new session and try again.
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