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AI coding assistant that edits files and runs commands
VS Code extension that uses Claude AI to handle complex development tasks through file editing, terminal commands, browser automation, and custom tool creation with human approval at every step.

Cline is a VS Code extension that transforms Claude Sonnet into an agentic coding assistant capable of handling complex software development workflows. Unlike traditional code completion tools, Cline can create and edit files, execute terminal commands, launch browsers for testing, and even extend its own capabilities through the Model Context Protocol.
Every file change and terminal command requires your explicit approval through an intuitive GUI, providing a safe way to leverage autonomous AI without sacrificing control. Cline intelligently analyzes your project structure, reads relevant files, and manages context to work effectively even in large codebases.
The extension supports multiple API providers including OpenRouter, Anthropic, OpenAI, Google Gemini, AWS Bedrock, Azure, and local models through LM Studio or Ollama. Real-time token tracking and cost monitoring keep you informed of API usage throughout each task. Cline can launch headless browsers to test web applications, monitor linter errors to proactively fix issues, and create custom MCP tools tailored to your specific workflow—from fetching Jira tickets to managing cloud infrastructure.
When teams consider Cline, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Convert Design Mockups to Working Code
Upload screenshots of UI designs and Cline generates functional components, styles, and layouts matching the mockup specifications
Debug Runtime Errors with Browser Automation
Cline launches your dev server, navigates the application in a headless browser, captures console logs, and fixes visual or runtime bugs autonomously
Integrate Custom Workflow Tools
Ask Cline to create an MCP tool that fetches Jira tickets or manages AWS resources, then use it immediately in future development tasks
Refactor Legacy Codebases
Cline analyzes project structure, identifies dependencies through AST parsing, and systematically refactors code while monitoring for breaking changes
Cline works with OpenRouter, Anthropic, OpenAI, Google Gemini, AWS Bedrock, Azure, GCP Vertex, Cerebras, Groq, and any OpenAI-compatible API. You can also use local models through LM Studio or Ollama.
Yes. Cline presents every file change as a diff view and requests permission before executing terminal commands, giving you full control over what happens in your workspace.
Cline analyzes file structure and source code ASTs, runs targeted regex searches, and selectively reads relevant files to gather only the information needed for each task.
Yes. Use the 'Proceed While Running' button to let Cline continue working while long-running processes like dev servers execute in the background. He monitors terminal output and reacts to issues as they arise.
MCP lets Cline create and install custom tools on demand. Ask him to 'add a tool' for specific tasks like fetching Jira tickets or managing cloud resources, and he'll build and integrate it into his toolkit.
Project at a glance
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