# Notion: Major incident: Notion MCP connections are having auth issues

**Summary:** New Claude-to-Notion MCP authorizations failed with “Invalid authorization request,” blocking new connections. Notion rated the incident major and reported failures starting approximately 01:25 UTC on August 5, 2026; the incident was logged at 2026-08-05 03:34 UTC and resolved at 2026-08-05 04:33 UTC (computed duration: 58 min). _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-05 03:34 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://www.notion-status.com/incidents/01KZ7ZT78SZH2H11CHCRR75HER](https://www.notion-status.com/incidents/01KZ7ZT78SZH2H11CHCRR75HER)
- [Company: Notion](https://rewindex.com/company/notion.md)
- Versions: before (none: first archived) → after incident\_version:110/01KZ7ZT78SZH2H11CHCRR75HER@c9dfbd9551f1
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Notion MCP connections are having auth issues
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-05 03:34 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-05 04:33 UTC
```

**6. Added: Update** (investigating) · 2026-08-05 03:34 UTC

```diff
+ We are currently investigating an issue affecting new Claude-to-Notion MCP connections. Users attempting to authorize Claude to access their Notion workspace are encountering an "Invalid authorization request" error. Starting at approximately 01:25 UTC on August 5, 2026, new authorization requests from Claude to Notion began failing.
```

**7. Added: Update** (resolved) · 2026-08-05 04:33 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-05 03:34 UTC | Major incident: Notion MCP connections are having auth issues (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/i53be566e8ace00 · Markdown: https://rewindex.com/change/i53be566e8ace00.md · JSON: https://rewindex.com/api/v1/changes/i53be566e8ace00 · Generated 2026-10-18T00:39:20.044Z