Unable to connect Claude & Notion

### MCP server URL or name

https://mcp.notion.com/authorize

### How are you connecting to this server?

From browsing the MCP server directory

### Where does the issue occur?

When pressing the Connect button

### When did you last reproduce this?

2026-01-08 1.30pm Sydney Time

### Browser and OS

Chrome & Safari

### Describe the issue

Invalid authorization request
https://mcp.notion.com/authorize?response_type=code&client_id=https%3A%2F%2Fclaude.ai%2Foauth%2Fmcp-oauth-client-metadata&redirect_uri=https%3A%2F%2Fclaude.ai%2Fapi%2Fmcp%2Fauth_callback&code_challenge=fBpYpxwjuM4-q9UOmQcjLdRdrKQLmR7KPO83dd-ABrQ&code_challenge_method=S256&state=4r7iCiMIyt_PPWbjQdIsoGwcV3pDg0LYlgb9ChDfj50&scope=default&resource=https%3A%2F%2Fmcp.notion.com%2Fmcp

### Error details

```shell
Invalid authorization request
https://mcp.notion.com/authorize?response_type=code&client_id=https%3A%2F%2Fclaude.ai%2Foauth%2Fmcp-oauth-client-metadata&redirect_uri=https%3A%2F%2Fclaude.ai%2Fapi%2Fmcp%2Fauth_callback&code_challenge=fBpYpxwjuM4-q9UOmQcjLdRdrKQLmR7KPO83dd-ABrQ&code_challenge_method=S256&state=4r7iCiMIyt_PPWbjQdIsoGwcV3pDg0LYlgb9ChDfj50&scope=default&resource=https%3A%2F%2Fmcp.notion.com%2Fmcp
```

### Expected behavior

Connection dialogue to approve connection with Notion

### Additional context

Have clear cookies,
Have deleted the connector and reinstalled