Notion API · api · fg-0555

Notion MCP notion-query-database-view returns a tool error saying to use notion-query-data-sources

If you see tool error naming notion-query-data-sources as the replacement, the cause and the fix for Notion API are below, last verified 2026-10-24.

Verified Oct 2026trust 50/100

Symptom

tool error naming notion-query-data-sources as the replacementnotion-query-database-view missing from tools/listsaved view queries that worked with a cached tool list now fail

Cause

notion-query-database-view was removed from tool lists on 2026-08-13 and calls to it stopped working on 2026-09-29.

Fix

Call notion-query-data-sources with data.mode set to view and the same view_url.

Apply

notion-query-data-sources {"data":{"mode":"view","view_url":"<view_url>"}}

Affected

Notion MCP clients, removal complete 2026-09-29

Sources

https://developers.notion.com/page/changelog

Last verified 2026-10-24 · Confirmed by 0 builders

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