This tutorial applies to:
Cursor
Connected to PeakkAI API
Claude / GPT models
macOS / Windows

I. What is Cursor

1. Introduction to Cursor

Cursor Official Website:
https://www.cursor.com/

Cursor is an AI IDE deeply customized based on VS Code. It integrates:

AI Chat

AI Coding

Code Completion

Agent Mode

Project Analysis

Multi-file Editing

Terminal Assistance

It supports:

Claude

GPT

Gemini

DeepSeek

OpenAI Compatible API

It is currently one of the most popular AI programming IDEs.

II. Prerequisites

What You Need to Prepare

Item	Description
Cursor	AI IDE
PeakkAI API	PeakkAI URL + API Key
Cursor Helper	A tool used to switch API source configurations
Model	Claude / GPT, etc.

III. macOS Installation Guide

1. Download and Install Cursor

Go to the Cursor official website:

https://www.cursor.com/downloads

Select:

MacOS

Once the download is complete:

Simply drag it into Applications

2. Download and Install Cursor Helper

Github Download Link： https://github.com/leookun/cursor-byok/releases

Once the download is complete:

Simply drag it into Applications

If you encounter an installation failure, go to Settings > Privacy & Security > Open Anyway.

IV. Windows Installation Guide

1. Download Cursor

Go to:

https://www.cursor.com/downloads

Download:

Windows Installer

2. Download and Install Cursor Helper

Github Download Link: https://github.com/leookun/cursor-byok/releases

Once the download is complete, simply run the installer to install it.

V. Get PeakkAI API Information

Go to the PeakkAI Open Platform to apply for your secret key (sk).

peakk 开放平台

Obtain the following information:

Configuration Item	Example
Base URL	https://api.peakk.ai
API Key	sk-xxxx
Model	Claude Opus 4.6 / GPT 5.2 ...

Common Third-Party Interface Formats

Go to the PeakkAI Interface Documentation:

PeakkAI 接口文档

VI. Connect Cursor to PeakkAI API

1. Turn Off Official Cursor Key Settings

2. Enter Cursor Helper Configuration

3. Fill in PeakkAI Configurations

Fill in the fields:

Configuration Item	Example
Base URL	https://api.peakk.ai
API Key	sk-xxxx
Model	gpt-5.2 / Claude-Opus-4.6

4. Go to Cursor and Refresh the Model List

If you still cannot see the models, and you are sure you have reinstalled Cursor, follow these steps:

Open the Helper first, then open Cursor.

Close both Cursor and the Helper completely.

Open the Helper once more, and then open Cursor. It should work properly now.

7.Verify the Connection

Select a model to test the connection.

PeakkAI API Integration with Cursor

I. What is Cursor#

1. Introduction to Cursor#

II. Prerequisites#

What You Need to Prepare#

III. macOS Installation Guide#

1. Download and Install Cursor#

2. Download and Install Cursor Helper#

#

IV. Windows Installation Guide#

1. Download Cursor#

2. Download and Install Cursor Helper#

V. Get PeakkAI API Information#

Common Third-Party Interface Formats#

VI. Connect Cursor to PeakkAI API#

1. Turn Off Official Cursor Key Settings#

#

2. Enter Cursor Helper Configuration#

#

3. Fill in PeakkAI Configurations#

4. Go to Cursor and Refresh the Model List#

7.Verify the Connection#

I. What is Cursor

1. Introduction to Cursor

II. Prerequisites

What You Need to Prepare

III. macOS Installation Guide

1. Download and Install Cursor

2. Download and Install Cursor Helper

IV. Windows Installation Guide

1. Download Cursor

2. Download and Install Cursor Helper

V. Get PeakkAI API Information

Common Third-Party Interface Formats

VI. Connect Cursor to PeakkAI API

1. Turn Off Official Cursor Key Settings

2. Enter Cursor Helper Configuration

3. Fill in PeakkAI Configurations

4. Go to Cursor and Refresh the Model List

7.Verify the Connection