The Complete Pi Terminal Coding Agent Guide

Author

Pi Documentation Team

0.1 About This Book

This book is the comprehensive guide to Pi — a minimal terminal coding harness.

Developed by Earendil Inc., Pi is a deliberately small terminal AI coding tool. Its core philosophy: keep the kernel minimal, achieve infinite extensibility through TypeScript extensions, Skills, Prompt Templates, Themes, and Pi Packages.

🌐 Language / 语言: English | 中文

0.1.1 What You’ll Find Here

  • 📖 Systematic Organization: Scattered official docs restructured into a clear technical book
  • 🔍 Comprehensive Coverage: From quickstart to deep customization, from programmatic usage to platform setup
  • ⚡ Practical Focus: Each chapter includes code examples, configuration demos, and best practices

0.1.2 Who Should Read This

  • Developers wanting a lighter terminal AI coding tool than Claude Code/Cursor
  • Teams needing deep customization of their AI coding assistant
  • Engineers interested in AI Agent Harness architecture
  • Products looking to integrate AI coding capabilities via SDK/RPC

0.1.3 Content Source

Based on the Pi Official Documentation, MIT licensed.

Last updated: 2026-07-31