Pi Coding Agent
Minimal terminal coding-agent harness you bend to your own workflow.
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Pi is a minimal, open-source terminal harness for AI coding work, built by Earendil. The core stays small while extensions, skills, and themes let you shape the environment around your own workflow rather than the other way around.
It supports 15+ LLM providers and hundreds of models, with mid-session model switching, tree-structured session history, and modes for interactive TUI, JSON/print output, RPC, and a programmable SDK.
Notably, Pi deliberately omits MCP, sub-agents, and permission popups — the design philosophy is about what to leave out. Released under MIT license and installable via npm, pnpm, bun, or shell.