The library

Every prompt, annotated

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

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Devin

agent prompt

Devin AI — Autonomous Software Engineer Prompt

The full system prompt for Devin, an autonomous software engineering agent operating a real OS. It defines a planning vs standard mode model, a <think…

role definition tool-use protocol chain-of-thought

8 5.3k 4.9k words