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Cline is thethoughtfulcoding agent

Transform your engineering team with an AI partner that thinks before it codes. Open source, transparent, and designed to multiply developer impact.

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Helping Teams Ship 10x Faster

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Why Cline is Different

Experience an AI development partner that thinks, plans, and acts

Plans Then Acts

Cline breaks down your development into a plan before coding

Creates a thoughtful plan before taking action

Explains its reasoning and approach

Breaks down complex tasks step-by-step

Full Dev Environment Access

Cline has full access to your development environment for end-to-end task completion

Direct file creation and editing with diff views

Terminal command execution with real-time output monitoring

Access to Problems panel to fix errors as they arise

Extensible with Model Context Protocol (MCP)

Create custom tools that extend Cline's capabilities

Use Cline as your MCP server Client

Build MCP servers to add new capabilities

Create tools tailored to your specific workflow

Quick Setup Guide

Get started with Cline in minutes and begin building your next full-stack application. Open source and powered by the models you choose.

Getting Started with Cline

Follow these steps to get started with our VSCode extension

View Full Guide →

Install VS Code

Download and install Visual Studio Code

You will use Cline from within VS Code

Launch VSCode after installation is complete

Download VSCode

Set Up Cline

Configure OpenRouter

Step 1 of 3

Built Thoughtfully

Open source, transparent, and always under your control

Open Source & Your Choice of AI

100% transparent codebase with freedom to choose your preferred AI model. Bring your own API key and stay in control.

Open source on GitHub with active community

Support for OpenRouter, Anthropic, OpenAI, and more

Choose the model that works best for you

Safe, Controlled Development

Review every change and roll back anytime with our checkpoint system. No surprises, just controlled progress.

Review and approve changes before they happen

Checkpoint system for easy version comparison

Roll back to any previous state with one click

Latest from Our Blog

Updates and insights from the Cline team on AI, coding, and developer tools.

MCP Servers Explained: What They Are, How They Work, and Why Cline is Revolutionizing AI Tools

MCP Servers Explained: What They Are, How They Work, and Why Cline is Revolutionizing AI Tools

Nick BaumannFebruary 13, 2025

Discover what MCP servers are and how they work. Learn how Cline leverages Model Context Protocol (MCP) servers to revolutionize AI tool integration and development. Read on for in-depth insights! I was at CodeGen Night in San Francisco on Tuesday and had a chance to talk with some Cline power users about MCP (Model Context Protocol) servers. These were sophisticated developers who'd heard of MCP but weren't using it because they weren't fully sure how it worked or why it mattered. This conver

Supercharge Cline: 4 Ways to Build Better with Perplexity MCP

Nick BaumannFebruary 10, 2025

When building complex applications, the constant context switching between research, coding, and documentation can kill your momentum. While working on an MP3 sharing application, I discovered three powerful patterns for using Perplexity's MCP server with Cline that have transformed my development workflow. ❓ "What is Perplexity MCP?" Perplexity is an AI research assistant that excels at finding and synthesizing up-to-date information from across the web. When integrated with Cline through the

What AI Companies Actually Need Right Now

What AI Companies Actually Need Right Now

Nik PashFebruary 7, 2025

At Cline, we've scaled to 500k+ users and raised significant funding from top-tier VCs. As Head of AI, I recently interviewed a strong ML engineer candidate. Despite their solid background, I voted "no hire." Let me explain why - it reveals a broader pattern about what AI companies actually need right now, and getting this wrong can be a $200k+ mistake. The $200k Mistake: Why Hiring MLEs Too Early Kills AI Startups Here's a pattern I see repeatedly in well-funded AI startups: 1. Raise a sub

Common Questions

Get quick answers to the most common questions about using Cline.

  1. Open VS Code
  2. Click the Extensions icon in the Activity Bar
  3. Search for "Cline" and click Install
  4. Once installed, click the Cline icon or use CMD/CTRL + Shift + P
  5. Add an API key to start using Cline

Cline works with several providers:

  • Anthropic Claude 3.5 Sonnet (recommended for coding)
  • DeepSeek Chat (cost-effective alternative)
  • Google Gemini 2.0 Flash (free)
  • Any other model available available directly through the extension or through OpenRouter

Type your request in natural language—Cline understands plain English. For complex tasks:

  • Start with your goal: "I want to build..."
  • Provide context: "Here's what I have so far..."
  • Ask for specific actions: "Can you help me..."

Join Our Community

Join a community dedicated to thoughtful coding practices and elevate your craft alongside like-minded developers.