Cline
The open-source autonomous coding agent for VS Code, JetBrains, and terminal. Bring your own API key, choose any model, and review every diff before it's applied. Trusted by 8M+ developers.
Cline is an open-source autonomous coding agent that runs in VS Code, JetBrains IDEs, and the terminal. Bring your own API key, choose any model (Claude, GPT, Gemini, Ollama, or any OpenAI-compatible endpoint), and review every diff before it's applied. Trusted by 8M+ developers.
Key Features
- Model freedom: Use Claude, GPT, Gemini, local Ollama/LM Studio, or any OpenAI-compatible API
- Bring your own key: No subscription markup — pay model providers directly at their rates
- Diff approval: See every file change as a visual diff before approving
- Plan & Act: Structured workflow — plan first, then execute with human-in-the-loop
- Checkpoint system: Track all changes, easily undo any agent action
- Terminal & file access: Create files, run commands, browse the web with approval
- Linter awareness: Monitor compiler/linter errors and fix issues automatically
- MCP support: Connect to external tools via Model Context Protocol
- Multi-platform: VS Code extension, JetBrains plugin, CLI, and SDK
Platforms
| Platform | Description | |----------|-------------| | VS Code Extension | AI coding in your editor with visual diffs | | JetBrains Plugin | IntelliJ, PyCharm, WebStorm, and more | | CLI | Terminal-based agent with headless mode | | SDK | Node.js programmatic API for custom agents |
What Makes It Different
- Open source (Apache 2.0): Inspect code, contribute, self-host
- No vendor lock-in: Use any model, any provider, your own infrastructure
- Transparency: Every edit is a diff you review, every command requires approval
- 8M+ installs: One of the most popular open-source coding agents