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Cline

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An open-source coding agent for your editor, desktop, terminal, and applications.

Open sourceAI Code AssistantsAI AgentsAI Developer Tools

Verified Nov 3, 2026

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Cline website screenshot

What is Cline?

Cline is an open-source AI coding agent that can explore codebases, make coordinated changes across files, and run terminal commands. It works through editor extensions, a standalone desktop app, and a command-line interface. Developers can also embed its agent runtime in their own applications using the SDK.

Its Plan mode lets you discuss an approach before switching to Act mode to execute it. You can approve individual steps or enable automatic approval. Changes come with diffs, checkpoints, and undo controls, while terminal access lets the agent run tests, development servers, and deployment commands and respond to their output. Repository rules and skills let teams supply coding standards and project conventions.

Cline supports multiple model providers, OpenAI-compatible endpoints, and local models through Ollama or LM Studio. MCP connections extend its access to tools such as databases and APIs. The open-source version is free for individual developers, but model inference can incur usage charges. Enterprise adds organizational controls, centralized billing, and support.

What can Cline do?

  • Plan and Act modes

    Agree on an approach before execution, with step-by-step approval or automatic approval.

  • Multi-file code changes

    Edit across a project with linter-aware fixes, diffs, checkpoints, and undo controls.

  • Live terminal execution

    Run commands, tests, development servers, and deployments while responding to terminal output.

  • Model and provider choice

    Use supported cloud providers, your own API keys, OpenAI-compatible endpoints, or local models.

  • Project rules and MCP tools

    Supply repository conventions through rules and skills, and connect external tools through MCP servers.

  • SDK and automated agents

    Embed the runtime in applications, run agents in CI pipelines, or schedule coordinated multi-agent tasks.

Who is Cline for?

Software developers
Explore codebases, implement changes, and run development tasks from an editor, desktop app, or terminal.
Engineering teams
Apply shared coding conventions and automate repository work, with enterprise controls for organizational use.
Application builders
Embed Cline's agent runtime into their own products using the SDK.

How much is Cline?

Official pricing

  • Open Source

    Free

  • Enterprise

    See website

Free plan: The open-source version is free for individual developers; AI inference is charged separately by usage.

Frequently asked questions

Is Cline free to use?

The open-source version is free for individual developers, with no subscriptions or seat fees. AI model inference is charged separately on a usage basis.

Can I bring my own API keys or use local models?

Yes. Cline supports your own provider keys, OpenAI-compatible endpoints, and local models through Ollama or LM Studio.

Where can I run Cline?

Cline offers desktop apps for Mac, Windows, and Linux, editor extensions, a CLI, and an SDK. It also supports headless execution in CI pipelines.

What does Enterprise add?

Enterprise includes centralized billing, team management, role-based access control, SSO, audit logs, deployment options, and dedicated support. Pricing is available through sales.

Cline alternatives

Compare alternatives
  1. 1WarpAn AI-assisted terminal and coding agent for local and cloud software development.
  2. 2CursorAn AI coding editor and agent for building, testing, and reviewing software.
  3. 3Claude CodeAnthropic's agentic coding tool that plans, edits, tests and opens pull requests.
  4. 4Devin DesktopManage local and cloud coding agents, review changes, and write code in one IDE.
  5. 5GitHub CopilotAn AI coding assistant and agent for writing, reviewing, and updating code.

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