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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Cursor

tool schema

Cursor — Agent Tools v1.0 (JSON Schema)

A JSON array of function/tool definitions for the Cursor agent, each with a description and JSON-Schema parameters. Defines codebase_search (semantic)…

tool-use protocol output formatting constraint setting

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