Integrate with Cline ​

Cline is an AI coding tool for autonomous coding, available as both a CLI and a VS Code extension.

I. Prerequisites ​

Obtain your API Key from the LongCat Platform, and confirm on the Usage page that your account has sufficient token quota.

The LongCat API platform currently provides the following models:

Model NameAPI FormatDescription
LongCat-2.5-PreviewOpenAI/AnthropicHigh-performance agentic model
LongCat-2.0OpenAI/AnthropicHigh-performance agentic model

II. Using the Cline CLI ​

1. Install the Cline CLI ​

Prerequisite: Node.js 20 or higher (Node.js 22 recommended).

Run the following command in your terminal to install Cline.

bash
npm install -g cline

Run the following command to verify the installation (a version number means success).

bash
cline --version

2. Configure the LongCat API ​

Configure the API provider via the cline auth command:

bash
cline auth -p openai -k <Your LongCat API Key> -b https://api.longcat.chat/openai/v1 -m LongCat-2.5-Preview

Parameters:

  • -p openai: select the OpenAI-compatible provider
  • -k: your LongCat API Key
  • -b: the Base URL https://api.longcat.chat/openai/v1
  • -m: the model ID LongCat-2.5-Preview

You can also run cline auth to configure interactively via the wizard.

3. Using the Cline CLI ​

Open a new terminal and run the following command to launch it:

bash
cline

III. Using the Cline VS Code Extension ​

1. Install the extension ​

Search for and install the Cline extension in the VS Code Marketplace.

cline-vscode-install

2. Configure the LongCat API ​

Open the Cline extension in VS Code

cline-api-select

Required:

  • API Provider: select OpenAI Compatible
  • Base URL: https://api.longcat.chat/openai/v1
  • API Key: your LongCat API Key
  • Model ID: LongCat-2.5-Preview

cline-config

Optional:

  • Uncheck Supports Images
  • Set Temperature to 1.0, and adjust as needed for your task

3. Using the Cline extension ​

Once configured, enter your request in the input box, such as generating code.