Notion Status · History · Incident #152016

RESOLVED

Notion MCP query_data_source tool is temporarily unavailable in Claude clients

Major · Started Oct 22, 2026 · 3:23 AM

Duration

1h 19m
Severity

Major
Detection lead

—
User reports

—

Summary

Notion MCP query_data_source tool is temporarily unavailable in Claude clients

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

Started

Oct 22, 2026 · 3:23 AM
Resolved

Oct 22, 2026 · 4:42 AM
Duration

1h 19m
Severity

Major

Event timeline

How this incident unfolded

◐

Investigating
Oct 22 · 3:23 AM Notion

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

Investigating
Oct 22 · 3:33 AM Notion

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

Resolved
Oct 22 · 4:42 AM Notion

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

Pattern

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