Open-source AI coding agent extension for VS Code
Introduction
Cline is the most popular open-source AI coding agent extension for VS Code: it plans tasks, reads and writes files, runs terminal commands and self-corrects — all transparent and approval-gated. Bring-your-own-key across models, and the free open-source model keeps its reputation climbing.
Key Features
- Autonomous task planning and execution
- File I/O and terminal commands
- Human approval gates every step
- Any model API by your own key
- MCP tool ecosystem support
Pros
- Open, transparent and free
- Total model freedom
Cons
- Heavy use means your own API bills
Pricing
The extension is free and open-source; you pay model API usage.（See official site for current pricing）
FAQ
vs Continue?
Cline leans autonomous agent execution; Continue leans completions and chat.
Recommended models?
Claude family works best; DeepSeek is cost-effective.
Safe and controllable?
Yes — every step needs approval and is reversible.
Related Sites
Collected on lucifer.city · Reviewed by the founder