PromptsMar 29, 2026·2 min read

System Prompts of Top AI Coding Tools

Full system prompts extracted from 30+ AI tools: Claude Code, Cursor, Devin, Windsurf, Replit, v0, and more. The definitive reference for prompt engineers.

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Quick Use

Use it first, then decide how deep to go

This block should tell both the user and the agent what to copy, install, and apply first.

  1. Browse the repository by tool name
  2. Open any folder to read the full extracted system prompt
  3. Use as reference when building your own AI agents or customizing AI behavior
Intro

A collection of full system prompts, internal tool definitions, and model configurations extracted from 30+ commercial AI coding platforms. Includes Claude Code, Cursor, Devin, Windsurf, Replit Agent, v0, Bolt, and many more. With 134,000+ GitHub stars, it's the most comprehensive reference for understanding how top AI tools are instructed internally.

Included AI Tools

AI Coding Assistants

  • Claude Code (Anthropic) — Full system prompt, tool descriptions, sub-agent prompts
  • Cursor — System instructions, tab completion prompts, agent mode rules
  • Windsurf / Codeium — Cascade agent prompt, tool definitions
  • Devin (Cognition) — Full autonomous agent system prompt
  • Replit Agent — Code generation and deployment instructions
  • GitHub Copilot — Chat and completion system prompts

AI App Builders

  • v0 (Vercel) — UI generation system prompt with React/Tailwind rules
  • Bolt.new (StackBlitz) — Full-stack app generation prompt
  • Lovable — AI app builder system instructions

AI Search & Chat

  • ChatGPT — System prompt including memory, tools, DALL-E instructions
  • Perplexity — Search-augmented generation prompt
  • Gemini — Google's AI assistant system prompt
  • Claude.ai — Web interface system prompt (distinct from Claude Code)

Specialized Tools

  • Manus — Autonomous agent system prompt
  • Same.new — Website cloning AI prompt
  • Roo Code — VS Code extension agent prompt

Why This Matters

Understanding how commercial AI tools are prompted helps you:

  • Build better agents — Learn proven patterns for tool use, safety, and task decomposition
  • Write better prompts — See how experts structure system instructions
  • Customize AI behavior — Adapt patterns for your own use cases
  • Debug AI issues — Understand why AI tools behave certain ways
Source & Thanks

Author: x1xhlol Repository: system-prompts-and-models-of-ai-tools — ⭐ 134,000+ License: GPL-3.0

Thanks to x1xhlol for maintaining the most complete archive of AI tool system prompts.

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