The library

Every prompt, annotated

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

1 prompt
Claude Code
tool schema

Claude Code — Tool Definitions (JSON Schema)

Machine-readable JSON array of Claude Code's 15 tool definitions, each with a descriptive prose blurb and an input_schema. Tools include Task (subagen…

tool-use protocol constraint setting few-shot
214 3.3k 5.2k words