Cline
Occasionally used
Overview
I tried Cline in early 2025 as a VS Code extension for AI-assisted coding. It can read and write files, execute terminal commands, and interact with language servers. It focuses on agentic behavior within the editor, capable of autonomous multi-step task execution.
I found it useful for automated refactoring tasks within the editor. The autonomous mode is impressive when it works, but reliability varies.
Personal Note
When the autonomous mode worked, it was impressive. The trick was knowing when it would work.
What Works Well
- Capable of autonomous multi-step task execution within the editor.
- Good integration with VS Code language server protocol for code understanding.
- Supports multiple LLM providers including OpenAI, Anthropic, and local models.
- Transparent execution model. I can see planned actions before they execute.
- Regular updates with active development.
Where It Works Less Well
- Tied to VS Code. Not usable in other editors or standalone terminal.
- Autonomous behavior can be unpredictable, especially on complex tasks.
- Resource usage is high during indexing and analysis.
- Requires configuring API keys and model selection.
- Code quality varies significantly between different models.
Use Cases
VS Code users who want an autonomous coding assistant for multi-step tasks. I used it for automated refactoring, code generation, and exploration within the editor.
Engineering Maturity
Medium. Handles well-defined tasks competently but struggles with ambiguous requirements or complex multi-service projects.
Product Maturity
Medium. The extension is well built and integrates smoothly with VS Code. Some features feel experimental. The autonomous mode is powerful but occasionally unpredictable.
Developer Experience
Installation is one-click from the VS Code marketplace. Setting up model providers and API keys is required. The agent interface provides good visibility into planned actions.
Workflow Integration
Tightly integrated with VS Code editor, terminal, and language server features. Cannot be used outside of VS Code.
Performance
Responsive for typical tasks. Indexing and analysis can be resource intensive on larger projects.
Documentation
Good documentation covering setup, configuration, and usage patterns. The community is active. Some advanced features have limited coverage.
Pricing
Free extension. Costs are limited to API usage fees. Can use local models at no additional cost.
Platform Support
Available on all platforms VS Code supports.
Verdict
Cline is a capable autonomous coding assistant for VS Code users. Its multi-step task execution is impressive when it works well, but reliability varies. I use it occasionally for specific scenarios within the editor.
Changelog
2026-06 Updated review for version 3.4.0
2025-10 Updated review for version 2.5.0
2025-01 Initial review (version 1.0.0)