Custom MCP Connector: Anthropic-side requests never reach our server (OAuth + tool calls)

### MCP server URL or name

https://mcp-prod.magnifyo.ai/mcp

### How are you connecting to this server?

From a custom connector URL I entered manually

### Where does the issue occur?

When pressing the Connect button

### When did you last reproduce this?

2026-07-21 10:28 EST

### Browser and OS

Chrome Windows 11

### Describe the issue

[anthropic-mcp-connector-ticket 2026-07-21.pdf](https://github.com/user-attachments/files/30232285/anthropic-mcp-connector-ticket.2026-07-21.pdf)

### Error details

```shell
Trace ofid_9a5550d76051a2cd and ofid_cca30cc771518613
```

### Expected behavior

presented modal to enter Operator approval secret

### Additional context

_No response_