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.

MCP - Cline Blog

Vibe MCp & Impractical Code

Trevor Hudson•May 2, 2025•4 min read

I climbed the traditional career ladder. I failed at becoming a rock star, then learned how to code, failed at a startup, then became a product manager. It's a tale as old as Sun Microsystems. I've oscillated between being the guy you pitch your billion dollar idea to for 5 percent of the company and the annoying guy doing the pitching. The Dream of a Personal Soundtrack One idea that has followed me for years is the idea that you could have a spontaneous soundtrack that follows you throughou

Supercharge Your Cline Workflow: 7 Essential MCP Servers

Nick Baumann•April 2, 2025•4 min read

Cline is already transforming how developers approach complex coding tasks, acting as an autonomous agent within your IDE. But what if you could push its capabilities even further? What if Cline could not only write and refactor code but also conduct deep web research, generate UI components on the fly, convert documents, and even interact with creative software? That's what we envision for Model Context Protocol (MCP). MCP servers are like power-ups for Cline, allowing it to securely connect a

Beautiful UI Components: How to Use 21st.Dev's Magic MCP with Cline

Nick Baumann•March 20, 2025•3 min read

Frontend development has always been a careful balance between creativity and tedium. For every exciting UX innovation you bring to life, there are dozens of navbar implementations, form components, and card layouts to build along the way. The repetitive nature of these tasks is a productivity killer—until now. By combining Cline's conversational AI capabilities with 21st.dev's Magic UI MCP, we've created a workflow that eliminates the most time-consuming parts of frontend development. The resu

The End of Complex UIs: How MCP Servers Are Eliminating Software Learning Curves

Nick Baumann•March 17, 2025•6 min read

Have you seen those viral videos of people creating stunning 3D scenes in Blender by just describing what they want? No clicking through complex menus, no hunting for the right tool in a sea of options, no watching 10-hour YouTube tutorials. Just conversation. 0:00 /0:20 1× This isn't just a neat demo—it's the beginning of the end for complicated user interfaces. The Blender MCP server that's going viral right now is just the first hint of a much large

Building the MCP Economy: Lessons from 21st.dev and the Future of Plugin Monetization

Nick Baumann•March 6, 2025•6 min read

The emergence of Model Context Protocol (MCP) has created something we rarely see in technology: a genuinely new market with minimal established players and tremendous growth potential. As AI agents like Cline become increasingly central to developer workflows, MCP plugins represent not just a technical opportunity, but a significant business one. While many developers are focused solely on the technical aspects of building MCP plugins, forward-thinking builders have already begun establishing

Calling All Developers: How to Build MCP Plugins with Cline

Nick Baumann•March 3, 2025•6 min read

I remember stories about the tech booms of past decades. In the late 1990s, the web revolution began. Teenagers who knew HTML were earning thousands per project, building websites for local businesses. In the late 2000s, a similar trend emerged with mobile apps. Young developers were profiting from creating applications for smartphones. "This is the future," people would say. Many were skeptical about how these basic websites or simple apps could change anything. We know how those predictions t

Forget "Model Context Protocol" - Just Think of These as Extra Tools for Cline

Nick Baumann•February 22, 2025•3 min read

Yesterday, I asked a developer if he was using MCP in Cline. "I still don't understand what Model Context Protocol is," he said. I had to smile. Here was a developer missing out on powerful tools because he was getting caught up in confusing technical jargon. It's like developers are leaving features on the table because the name sounds too complicated. "Forget Model Context Protocol - that's just distracting you from what matters," I told him. "Think of these as extra tools you can give to C

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

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

Nick Baumann•February 13, 2025•5 min read

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 Baumann•February 10, 2025•5 min read

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