Notion incident

Notion MCP query_data_source tool is temporarily unavailable in Claude clients

Resolved after 1 hour 19 minutes, affecting Notion MCP, on October 22, 2026.

resolved Oct 22, 2026, 04:42 AM UTC

This issue has been resolved. The Notion MCP query_data_source tool is available again in Claude clients.

Started
Oct 22, 2026, 03:23 AM UTC
Resolved
Oct 22, 2026, 04:42 AM UTC
Duration
1h 19m
Detected by Pingoru
Oct 22, 2026, 03:23 AM UTC

Affected components

Notion MCP

Update timeline

  1. investigating Oct 22, 2026, 03:23 AM UTC

    The Notion MCP query_data_source tool is temporarily unavailable in Claude clients.

  2. investigating Oct 22, 2026, 03:33 AM UTC

    The Notion MCP query_data_source tool is temporarily unavailable in Claude clients.

  3. resolved Oct 22, 2026, 04:42 AM UTC

    This issue has been resolved. The Notion MCP query_data_source tool is available again in Claude clients.

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