Notion MCP query_data_source tool is temporarily unavailable in Claude clients

Resolved·Partial outage

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

Thu, Oct 22, 2026, 12:42 AM

(9 hours ago)

Affected components

Oct 21, 2026, 11:23 PM

Oct 22, 2026, 12:42 AM

Notion MCP

Updates

Resolved

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

Thu, Oct 22, 2026, 12:42 AM

Investigating

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

Wed, Oct 21, 2026, 11:33 PM(1 hour earlier)

Investigating

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

Wed, Oct 21, 2026, 11:23 PM(10 minutes earlier)