# Notion: Major incident: We’re aware of an issue that is causing some Notion AI MCP tool calls to fail. 

**Summary:** Some Notion AI MCP tool calls failed in a major incident that started at 2026-08-30 16:13 UTC and was resolved at 2026-08-30 22:49 UTC, lasting 6 h 36 min. Notion said engineering had identified the issue and was working to mitigate it, but provided no specific cause or fix. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-30 16:13 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://www.notion-status.com/incidents/01M19Q59J5JPV7RNCDEDYA3JF5](https://www.notion-status.com/incidents/01M19Q59J5JPV7RNCDEDYA3JF5)
- [Company: Notion](https://rewindex.com/company/notion.md)
- Versions: before (none: first archived) → after incident\_version:110/01M19Q59J5JPV7RNCDEDYA3JF5@5767196b24a4
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ We’re aware of an issue that is causing some Notion AI MCP tool calls to fail. 
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-30 16:13 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-30 22:49 UTC
```

**6. Added: Update** (investigating) · 2026-08-30 16:13 UTC

```diff
+ Our engineering team has identified the issue and is working to mitigate it.
```

**7. Added: Update** (resolved) · 2026-08-30 22:49 UTC

```diff
+ This issue is resolved now.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-30 16:13 UTC | Major incident: We’re aware of an issue that is causing some Notion AI MCP tool calls to fail.  (this change) | outage |

All Notion changes: [timeline](https://rewindex.com/company/notion/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i6f7e5ad5f7dcec · Markdown: https://rewindex.com/change/i6f7e5ad5f7dcec.md · JSON: https://rewindex.com/api/v1/changes/i6f7e5ad5f7dcec · Generated 2026-10-18T01:30:01.448Z