Cline is an open-source AI coding assistant for VS Code that features dual Plan/Act modes, terminal execution capabilities, and the Model Context Protocol (MCP) for custom tool creation. It serves as a fully collaborative AI partner for developers.

How is Cline different from GitHub Copilot?

Cline is open-source and offers unique features like Plan/Act modes for structured development, terminal command execution, browser automation for testing, and the Model Context Protocol (MCP) for creating custom development tools.

What programming languages does Cline support?

Cline supports all major programming languages and frameworks through its AI models and can execute terminal commands, edit files, and automate browser testing across different technology stacks.

Updates - Cline Blog

Cline v3.17.14: New Provider Options, Terminal Upgrades, and Core Fixes

Nick Baumann•June 18, 2025•1 min read

Hello Cline community 🫡 v3.17.14 is focused on expanding provider support, refining the terminal experience, and shipping a handful of important stability improvements. New Provider Integrations We're committed to making Cline as flexible as possible, and that means letting you plug in the tools you already use. This release adds support for two new API providers. * SAP AI Core: We've also added support for SAP AI Core, enabling users to connect to both Claude and GPT models through the s

Cline 3.17.9: Enhanced Claude 4 Support (Experimental), Upgraded Task Timeline & CSV/XLSX Support

Nick Baumann•June 4, 2025•3 min read

Hello Cline community 🫡 We've been burning the candle at both ends to make Cline work as well as possible with the new Claude 4 family of models, and we're excited to share that Cline 3.17.9 includes experimental Claude 4 support that addresses reliability issues, an upgraded task timeline with scrolling navigation, and expanded file upload capabilities for data analysis. Experimental Claude 4 Support If you've been using Claude 4 with Cline, you've probably noticed some frustrating edit fai

3.17: Global Workflows, UX Improvements, and More

Nick Baumann•May 24, 2025•2 min read

Cline v3.17 brings several solid improvements to enhance your development workflow. The highlight is Global Workflows – a feature many of you have been requesting – along with a redesigned settings interface and expanded provider support. Global Workflows The standout feature in this release is global workflows. If you've built a workflow that works brilliantly in one project, you can now share it across all your workspaces. Here's how it works: * Global workflows live in ~/Documents/Cline

Cline v3.16: One-Shot Automation with Workflows, Plus UI & Stability Gains

Nick Baumann•May 21, 2025•3 min read

Welcome to Cline v3.16! We're really excited about this release, especially a new feature that's already making a big difference for our own team: Workflows. It's already saving our team countless hours and we know it can do the same for you. Let's get to it! → Workflows → Your Personal Automation Powerhouse You know those repetitive sequences you find yourself doing all the time? Setting up a new project module, running through a pre-commit checklist, or even the detailed steps for a PR revi

Cline v3.15: Unveiling Task Timeline, Gemini Implicit Caching & New Community Docs

Nick Baumann•May 10, 2025•5 min read

Welcome to Cline v3.15! This update is all about refining the experience of Cline as your daily driver. Let's get right into it. Task Timeline = Story board of your conversation Ever wished you could instantly see the "story" of how Cline tackled a complex task? With v3.15, we're introducing the Task Timeline, a sleek, visual "storyboard" integrated directly into your task header. This isn't just a log; it's an intuitive series of blocks charting every key step Cline takes – from tool calls t

Cline v3.13: Toggleable .clinerules, Slash Commands & Previous Message Editing

Nick Baumann•April 19, 2025•3 min read

Tired of manually managing context instructions for different tasks? Wish you could quickly branch explorations or fix a flawed prompt without starting over? Cline 3.13 tackles these workflow frustrations head-on. We're delivering precise control over your AI development process with three key updates: 1. Toggleable .clinerules for effortless context switching (docs) 2. Quick /newtask Slash Commands for session management (docs) 3. Message Editing with Checkpoint Restore for fearless explor

Cline v3.12: Faster Diff Edits, Model Favorites, and More

Nick Baumann•April 12, 2025•2 min read

We're excited to announce the release of Cline v3.12, packed with diff edit improvements, model favorites, new auto-approve options, and more. Let's dive into the highlights: Faster Diff Application 0:00 /0:05 1× Applying code changes suggested by Cline is now significantly faster, especially in large files. v3.12 boosts diff edit performance for a smoother, more responsive experience, letting you iterate faster. We've also added an indicator in th

Cline 3.10: Local Chrome Integration, YOLO Mode, Drag & Drop, and More Workflow Enhancements

Nick Baumann•April 9, 2025•3 min read

Cline 3.10 is here, and it's packed with features designed to significantly enhance your development workflow, speed, and control. This release introduces a powerful new way to interact with the web, alongside several quality-of-life improvements and optimizations requested by the community. Let's dive in. Connect Cline to Your Local Chrome Browser The headline feature of 3.10 is a fundamental shift in how Cline interacts with web content: you can now connect Cline directly to your running lo

Cline 3.8.0: Workflow Integration, Account Management, and Provider Optimization

Nick Baumann•March 23, 2025•3 min read

Here's what's new in 3.8.0: * Streamlined workflows: New 'Add to Cline' and 'Fix with Cline' code actions for faster problem-solving * Account view: Track billing and usage history for Cline accounts directly in the extension * Sort underlying provider routing: Choose how Cline routes API requests based on throughput, price, or latency to optimize for your specific needs * Rich MCP display improvements: Visualize data more effectively with dynamic image loading and GIF support directly in y

1,000,000 installs—and our all-in bet on the future of software engineering

Nick Baumann•March 22, 2025•2 min read

From the jump, we've envisioned a bolder path forward in AI coding. While others perfect tab autocomplete, we've been building a truly collaborative coding agent that transforms how software gets created. From day one, we've given engineers full, unrestricted access to frontier models—exactly as they were designed to be used. No context limitations, no artificial constraints to fit subscription economics. This is AI coding in its purest form. What does this mean in practice? Cline reads entire

Introducing Anonymous Telemetry in Cline

Nick Baumann•February 26, 2025•1 min read

At Cline, we're committed to creating the best possible open-source coding agent for developers. Today, we're introducing anonymous telemetry to help us understand how our Cline is actually being used and where we can make meaningful improvements. Privacy-First Telemetry We've designed our telemetry system with your privacy as the top priority: * Completely anonymous - we use PostHog to collect aggregated usage data that cannot be traced back to individuals * Strictly limited scope - we onl

Introducing the MCP Marketplace: Cline's New App Store

Nik Pash•February 19, 2025•2 min read

Remember when installing new apps meant typing cryptic commands into a terminal, manually resolving dependencies, and praying nothing would break? That's kind of where we are with Model Context Protocol (MCP) servers right now. But not anymore. Today, I'm excited to announce Cline's MCP Marketplace - think of it as the App Store for your AI's capabilities. It's our answer to making AI superpowers accessible to everyone, not just the tech-savvy few. Why This Matters A few months ago, Anthropic

The End of Context Amnesia: Cline's Visual Solution to Context Management

Nick Baumann•January 30, 2025•5 min read

Ever stared at Cline wondering if it's about to hit a wall? You're deep in a complex refactoring task, and suddenly he seems to "forget" what you were discussing just moments ago. If this sounds familiar, you're running into one of the most common yet least understood aspects of AI coding assistants: context windows. Today, we're introducing a new feature in Cline that makes this invisible limit visible: the Context Window Progress Bar. What's a Context Window, Anyway? Think of a context win

Why AI Engineers Need Planning More Than Perfect Prompts

Nick Baumann•January 21, 2025•4 min read

The best AI engineers I know follow a specific pattern. They don't obsess over prompt crafting – they obsess over planning. There's a reason for this, and it's not what most people think. The Reality Check Here's what typically happens when someone starts working with AI: 1. They throw requirements at the model 2. They get mediocre outputs 3. They blame their prompting skills 4. They spend hours "optimizing" prompts 5. They still get mediocre results Sound familiar? But here's what eli