Cline

Cline is an open-source AI coding agent designed to run inside VS Code, the terminal, and via an SDK. It separates planning from execution by letting users approve a plan before the agent edits files or runs commands. The software aims to assist developers with tasks like codebase navigation, multi-file refactoring, and automated script execution.

• Edits across your project with coordinated multi-file changes, linter-aware fixes, diffs, checkpoints, and one-click undo.
• Runs bash commands in your terminal and reacts to output live for dev servers, tests, and deployments.
• Plan-and-Act mode that allows toggling to Plan mode to align on a strategy before switching to Act mode to execute.
• Rules and skills support via .clinerules files to teach the agent coding standards and architecture.
• Model flexibility supporting Claude, GPT, Gemini, local Ollama, LM Studio, or any OpenAI-compatible endpoint.
• Extension capabilities via MCP and plugins to register custom tools and hook into databases, APIs, and infrastructure.
• Multi-agent teams and schedules where coordinator agents delegate to specialists and run on cron jobs.
• Integrations allowing connection to Slack, Discord, Telegram, Linear, GitHub Actions, and GitLab pipelines.

Pros

• Open-source nature under the Apache 2.0 license with no vendor lock-in.
• Comprehensive platform support spanning macOS, Windows, Linux, and availability as an IDE extension, CLI, and SDK.
• Flexible model choice allowing users to bring their own API keys or weights across multiple major providers.
• Granular execution control with mandatory step approvals or optional auto-approve for autopilot workflows.

Cons

• Individual developers must pay separately for AI inference usage or bring their own API keys.
• Certain features like the JetBrains extension, SSO, SLAs, and dedicated support require contacting sales for an Enterprise plan.
• Advanced configuration management and fine-grained permissioning are noted as coming soon.

Cline fits individual developers and engineering teams looking for an open-source coding agent that integrates directly into their existing editors, terminal workflows, and CI/CD pipelines. It suits developers who want granular control over AI actions through plan-and-act approvals and multi-model support. It is a poor fit for organizations requiring fully bundled inference costs without bringing their own API keys or those strictly tied to proprietary, closed-source ecosystems without self-hosting options.

Cline is free for individual developers under an open-source model, with users paying separately for AI inference on a usage basis either by bringing their own API keys or using model inference at cost. The Enterprise tier is available by contacting sales for organizations needing custom SSO, SLAs, dedicated support, team management systems, centralized billing, and role-based access control.

Unlike tightly integrated proprietary AI assistants, Cline operates as an open-source, model-agnostic agent runtime that avoids vendor lock-in. It works across your editor, terminal, and SDK while separating planning from execution so users review strategies before any files are modified. Users can swap between multiple model providers or run local models entirely on their own infrastructure.

VS Code, JetBrains, CLI, SDK, MCP servers, Claude, GPT, Gemini, local Ollama, LM Studio, OpenAI-compatible endpoints, Anthropic, OpenRouter, AWS Bedrock, GCP Vertex, Groq, Cerebras, Vercel AI Gateway, DeepSeek, Slack, Discord, Telegram, Linear, GitHub Actions, and GitLab.