What is Cline?
Cline is an open-source AI coding agent trusted by over 8 million developers, integrating directly into VS Code and JetBrains IDEs (IntelliJ IDEA, PyCharm, WebStorm) for terminal-first, agentic coding workflows. It operates in Plan and Act modes: Plan mode helps you design the implementation approach before any code is written, while Act mode executes multi-step coding tasks autonomously across your codebase. Cline supports MCP (Model Context Protocol) integration for connecting external tools and data sources to your workflow. As a fully open-source project with no provider lock-in, it works with any AI provider — giving developers uncompromised control over their AI coding assistant.
What is Cline used for?
AI tool for chat bot workflows
How much does Cline cost?
Pros and cons
Pros
• Plan and Act modes for structured, deliberate agentic coding workflows • MCP integration connects external tools and data sources to your IDE • Open-source with no lock-in — works with any AI provider • Trusted by 8 million+ developers worldwide • Integrates with VS Code and JetBrains IDEs including IntelliJ IDEA, PyCharm, and WebStorm
Cons
• Requires more configuration than hosted AI coding assistants • MCP integration adds complexity for less technical users • Community-supported — no dedicated enterprise support tier disclosed • Advanced features may require specific AI provider configuration
Questions about Cline
What is Cline?
Cline is an open-source AI coding agent for VS Code and JetBrains IDEs with Plan/Act modes, MCP integration, and terminal-first agentic workflows — trusted by over 8 million developers.
Is Cline free?
Yes. Cline is open-source and free to use.
How many developers use Cline?
Over 8 million developers worldwide trust Cline as their AI coding agent.
What is Plan mode in Cline?
Plan mode lets you define and review the full implementation approach with Cline before it begins writing or modifying any code, giving you control over what gets built.
Does Cline support multiple AI providers?
Yes. As an open-source tool, Cline works with multiple AI providers without lock-in to any single service.
What are the best alternatives to Cline?
Compare this tool against close alternatives in the same category, focusing on output quality, onboarding speed, and workflow fit.
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