# The notion-query-database-view tool stops working

Calls to /mcp, MCP tool notion-query-database-view on Notion MCP stopped working on September 29, 2026.

- API: Notion MCP (mcp.notion.com)
- Kind: Endpoint removal
- Takes effect: September 29, 2026
- Calls after that day: fail
- Calls it hits: `/mcp`, `MCP tool notion-query-database-view`
- Source: [Announcement](https://developers.notion.com/page/changelog)
- Page: https://www.okapi.bot/providers/notion-mcp/breaking-changes/the-notion-query-database-view-tool-stops-working/

## What to use instead

Call notion-query-data-sources with {"data": {"mode": "view", "view_url": "..."}}, the same view_url.