Pi provides an agent toolkit with a unified model API, agent loop, terminal UI, and coding command line.
Cline
Cline provides open-source AI coding support with Plan and Act modes, MCP integration, and terminal workflows.

About Cline
Cline is an open-source AI coding agent. It can be used inside the VS Code editor, from a terminal through the Cline CLI, or embedded in other products through its SDK. The homepage also lists a standalone desktop app for macOS, Windows, and Linux that does not require an editor. Cline uses Plan and Act modes: Plan mode is used to agree on a strategy, and Act mode carries it out. In Act mode, the user can approve each step or turn on auto-approve.
Cline can make coordinated changes across multiple files, with diffs, checkpoints, and one-click undo on each step. It can run bash commands and respond to their output, which the homepage describes for tasks such as dev servers, tests, and deploys. It supports Claude, GPT, Gemini, local models through Ollama or LM Studio, and any OpenAI-compatible endpoint. Users bring their own API key, endpoint, or model weights. Cline also supports MCP servers and repository-level rules in .clinerules. The homepage lists pricing as unknown, so cost terms should be checked directly with the project.
Key features
- Plan mode to agree on a strategy, then Act mode to execute
- Coordinated multi-file edits with diffs, checkpoints, and undo
- Runs bash commands in the terminal and reacts to output
- Supports Claude, GPT, Gemini, Ollama, LM Studio, and OpenAI-compatible endpoints
- MCP server integration for databases, APIs, and infrastructure
- Cline CLI for scripts, cron jobs, and CI pipelines
- Open source under the Apache 2.0 license, with the code published on GitHub
- Users can approve each step or enable auto-approve
- Works with several model providers, including local models through Ollama or LM Studio
- Model access requires the user's own API key, endpoint, or model weights
- Auto-approve lets the agent run steps without individual review
Cline at a glance
- Website
- cline.bot
- Category
- AI & Machine Learning › AI Coding Tools
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- macOS, Web, Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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