Use Meridian inside Cursor
- 1
Open Cursor → Settings
Press Cmd+, (macOS) or Ctrl+, (Windows/Linux).
- 2
Models → OpenAI API Key
Navigate to the Models section and locate the OpenAI API Key field.
- 3
Paste your Meridian key
Enter your key (starts with nim_live_).
- 4
Override OpenAI Base URL
Set it to https://meridian.getnimbus.net/api/v1
- 5
Click Verify
Cursor will confirm the connection is working.
- 6
Choose a model
In Composer or Chat, select gpt-4.1, gpt-5-codex, or Llama-4-Maverick.
Cursor Composer works well with gpt-5-codex (sub-1.5s with multi-region).