Skip to main content
Cline is a coding agent for VS Code.
Before you start: create a Fortytwo API key and buy credits — see Quickstart, step 1. Give each agent its own key with a Spend limit.
1

Install Cline

In VS Code, open Extensions, search for Cline and press Install on Cline by the verified publisher Cline. The extension is also on the VS Code Marketplace .VS Code Extensions view: Cline by the verified publisher Cline, Install buttonIf VS Code asks Do you trust the publisher “Cline”?, press Trust Publisher & Install.VS Code: Trust Publisher & Install dialog for Cline
2

Cline onboarding: bring your own API key

Click the Cline icon in the side bar. On How will you use Cline?, choose Bring my own API key and press Continue.Cline: How will you use Cline? with Bring my own API key selected
3

Enter the Fortytwo settings

  1. In API Provider, choose OpenAI Compatible.
  2. Fill in the fields:
  1. Open Model Configuration: turn on Supports Images, set Context Window Size to 262144, Max Output Tokens to 16384 and Reasoning Effort to Medium. With None, the model answers without reasoning.
  2. Press Continue.
Cline: Configure your provider with OpenAI Compatible, the Fortytwo base URL, API key and Model ID qwen/qwen3.8-27bCline: Model Configuration with Supports Images on, context 262144, max output 16384 and Reasoning Effort Medium
4

Start a task

Below the message box, Cline shows the active model: openai-compat:qwen/qwen3.8-27b.If it shows another model, click it and set Model ID to qwen/qwen3.8-27b.Type a task in the message box and press Enter.Cline: message ready to send, active model openai-compat:qwen/qwen3.8-27b under the message box
To change the settings later, open Settings (the gear in the Cline panel) → API Configuration. Plan and Act modes use the same model unless Use different models for Plan and Act modes is on. More options: Cline OpenAI Compatible .
Something not working with your agent, or using one we have not listed? Tell us in the platform: Feedback for ideas and small bugs, Contact support if it blocks your work, or Report a security issue.
Last modified on October 26, 2026