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Supabase: MCP connection error to branch environments

Timeline of updates

1. investigating2026-08-11 14:37 UTC

   We're currently investigating an issue that is impacting MCP connections to branch environments.

2. identified2026-08-11 15:09 UTC

   We've identified the root cause that was leading to permission errors on MCP connections to branch environments. We're currently working on addressing this.

3. identified2026-08-11 15:52 UTC

   We're still working on implementing a fix for the identified root cause.

4. monitoring2026-08-11 16:33 UTC

   UPDATE: We are currently pushing a fix to address the root cause. We'll provide another update once the fix has been fully deployed.

5. monitoring2026-08-11 17:48 UTC

   We have pushed a fix to address the root cause and are monitoring the situation. If you continue to see an error, you can re-authenticate with the Supabase MCP server and also confirm that you have access to the preview branch.

6. resolved2026-08-11 18:30 UTC

   Customers should now be able to connect to branch environments via MCP normally.

Impact, status and times are the vendor’s own, as last archived. View on status.supabase.com (opens in new tab). Supabase profile · Recent Supabase incidents · Markdown · JSON