Cline

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Cline Overview

Cline — cline.bot — is the open-source autonomous coding agent that lives in your editor and terminal. Tagline: AI Coding, Open Source and Uncompromised. Trusted by 8M+ developers worldwide (5.2M+ VS Code installs, 67K+ GitHub stars, 4.1/5 rating), it offers one open-source agent runtime you can use in VS Code / JetBrains / Cursor / Windsurf, in the terminal via Cline CLI, or embedded via SDK. Apache 2.0 licensed, fully extensible, and provider-agnostic.

One Runtime, Three Surfaces:IDE — native extensions for VS Code, VS Code Insiders, JetBrains (Early Access), Cursor and Windsurf; CLI — npm i -g cline + Cline Kanban to orchestrate many agents in parallel from your terminal; SDK — embed the agent in your own products with custom tools and lifecycle hooks. Use it interactively or headlessly in GitHub Actions, GitLab and any CI pipeline.
Plan / Act Modes: Toggle Plan mode to align on architecture and strategy, then Act to execute. Approve every file edit, command and browser action step-by-step — or flip auto-approve for autopilot. Ship .clinerules with your repo to teach the agent your coding standards, architecture and deployment conventions.
Terminal-First, Fully Autonomous: Executes directly in your terminal and reacts to live output as it appears — long-running dev servers, tests, builds and deploys handled in real time. Performs autonomous file editing, terminal execution, browser automation, and keeps imports, types and behavior consistent across large codebases.
MCP & Extensibility: Fully supports Model Context Protocol (MCP) — register custom tools via SDK, plug in MCP servers for databases, APIs and infrastructure, and browse the MCP Marketplace + Open VSX Registry. Lifecycle hooks and plugins let teams inject organization-specific capabilities without forking.
Multi-Agent Teams & Schedules: Coordinator agents delegate to specialists with isolated tools and context. Run agents on cron schedules for recurring audits, migrations and housekeeping. Chat with agents from Slack, Discord, Telegram or Linear — or run them headlessly.
Every Model, No Lock-In: Works with every major provider — Anthropic Claude, OpenAI, Google Gemini, AWS Bedrock, Azure, GCP Vertex, Ollama, DeepSeek, xAI Grok, Mistral, Cerebras, OpenRouter and self-hosted weights. Bring your own key, endpoint or weights and keep the workflow identical.
Transparent & Proven: Open-source (github.com/cline/cline), transparent execution with diff previews and terminal logs, no vendor lock-in. Used by engineering teams at Samsung, Salesforce, Oracle, Amazon, LG, Globant, Microsoft, eBay, Visa, IBM and others. Marketplace: VS Code Marketplace — saoudrizwan.claude-dev.
Pricing & Access: Free and open-source; download free from VS Code Marketplace / Open VSX, install CLI via npm, or sign in at app.cline.bot. Paid ClinePass and enterprise options available via cline.bot. Docs at docs.cline.bot, community on Discord / Reddit r/cline / GitHub Discussions & Issues.

Bottom line: If you want a coding assistant that doesn’t just autocomplete but actually plans, executes, and ships — across IDE, terminal and CI — Cline is the open, extensible, provider-neutral alternative to closed Copilot-style tools.