The library

Every prompt, annotated

Real, published system prompts from shipping AI products — each with source attribution and notes on what makes it work.

5 prompts
Google AI Studio
system prompt

Google AI Studio — Vibe Coder (Gemini App Builder)

A prompt-to-app generator prompt that casts the model as a senior React/Gemini-API engineer producing a complete TypeScript SPA. It enforces a single …

persona output formatting constraint setting
205 6.4k 6.8k words
EM
Emergent
agent prompt

Emergent E1 — Full-Stack App Builder Prompt

The system prompt for Emergent's E1 agent, which builds React + FastAPI + MongoDB full-stack MVPs inside a Kubernetes/supervisor Docker environment. I…

role definition workflow staging constraint setting
120 1.3k 5.6k words
LO
Lovable
agent prompt

Lovable — AI Web App Editor Agent Prompt

Agent prompt for Lovable, an AI editor that builds and edits React/Vite/Tailwind/TypeScript apps with a live iframe preview and Supabase backend integ…

role definition ordered workflow protocol tool-use batching policy
89 1.9k 3.6k words
LE
Leap.new
system prompt

Leap.new — Encore.ts Full-Stack App Builder System Prompt

System prompt for Leap.new, a prompt-to-app builder that generates full-stack applications with an Encore.ts backend and a React/Vite/Tailwind/shadcn …

role definition custom XML output schema constraint setting
31 7.4k 5.2k words
LO
Lovable
tool schema

Lovable — Agent Tool Schema Definitions (JSON)

JSON object defining Lovable's agent toolset for editing React projects, including file operations (lov-write, lov-line-replace, lov-view, lov-rename,…

tool description as embedded protocol few-shot examples in descriptions constraint setting
3 481 3.3k words