Use Meridian inside Cursor

  1. 1

    Open Cursor → Settings

    Press Cmd+, (macOS) or Ctrl+, (Windows/Linux).

  2. 2

    Models → OpenAI API Key

    Navigate to the Models section and locate the OpenAI API Key field.

  3. 3

    Paste your Meridian key

    Enter your key (starts with nim_live_).

  4. 4

    Override OpenAI Base URL

    Set it to https://meridian.getnimbus.net/api/v1

  5. 5

    Click Verify

    Cursor will confirm the connection is working.

  6. 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).