# Notion MCP query\_data\_source tool is temporarily unavailable in Claude clients

- Provider: [Notion](https://down.guide/providers/notion)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 1h 19m
- started 2026-10-22 03:23 UTC
- id: DWN-48b7afc1f2
- Official page: https://www.notion-status.com/incidents/01M5GT4J4EF9Z9R6M4KD9AY21Q

## Updates from Notion
### 2026-10-22 03:23 UTC: investigating
The Notion MCP query\_data\_source tool is temporarily unavailable in Claude clients.

### 2026-10-22 03:33 UTC: investigating
The Notion MCP query\_data\_source tool is temporarily unavailable in Claude clients.

### 2026-10-22 04:42 UTC: resolved
This issue has been resolved.
The Notion MCP query\_data\_source tool is available again in Claude clients.

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