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Cline

An open-source autonomous coding agent that lives inside VS Code: plan, execute, and iterate with your own API keys.

Type
Coding agent
Interface
VS Code extension
Open source
Yes
Model choice
Any — BYOK
Pricing
Free
Official site

What is Cline?

Cline turns VS Code into an agentic IDE. It plans tasks, asks for approval before risky actions, executes file edits and terminal commands, and shows every step. Being open source and BYOK, it's a favorite for developers who want Cursor-like agency without leaving VS Code or paying a subscription.

Key features

01

Plan/Act modes

Review the plan before it touches your code.

02

Approval checkpoints

You approve file writes and commands.

03

BYOK

Use any model provider's API key, or local models.

04

MCP support

Extend the agent with custom tools.

Pros and cons

Pros

  • Full agent inside VS Code — no new editor
  • Open source and model-agnostic
  • Transparent step-by-step execution

Cons

  • You manage API costs
  • Approval-heavy by design (slower, safer)
  • Quality varies with chosen model

Who is it for?

VS Code users who want an autonomous coding agent without switching editors or vendors.

FAQ

Is Cline free?
The extension is free and open source; you pay for model API usage.
Can it run tasks autonomously?
Yes, with approval checkpoints you can tune or auto-approve.
Does it work with local models?
It supports many providers including local options — check the docs.

Try Cline

Pricing and features change fast — check the official site for the latest.

Visit official site →

Last updated: October 2026 · Compare all agents