100 real system prompts · annotated

The system prompts that actually ship — read the source.

A curated, source-attributed library of the real prompts behind Cursor, Claude Code, v0, Perplexity and dozens more — paired with a practical course on writing your own.

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100
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278k
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19
Course lessons
7
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VSCode Agent
agent prompt

VSCode Agent (GitHub Copilot) — GPT-5 Agent Prompt

The most elaborate Copilot VS Code agent prompt, for GPT-5. It combines the Copilot identity and refusals with a detailed communication-style guide, m…

role definition tool-use protocol structured diff format specification
239 5.6k 3.7k words
AU
Augment Code
tool schema

Augment Code — Tool Schemas (Claude Sonnet 4)

JSON tool-definition file for the Augment Agent (Claude Sonnet 4 variant) defining ~22 tools: file editing (str-replace-editor with line-numbered mult…

tool schema definition constraint setting in descriptions enum constraints
229 5.4k 2.3k words
LE
Leap.new
tool schema

Leap.new — Tool Schema Definitions (JSON)

JSON tool/function schema file defining ten code-generation tools for the Leap.new app builder, including create_artifact, define_backend_service, cre…

JSON Schema tool definitions enum constraints nested object schemas
228 6.5k 1.4k words
KI
Kiro
system prompt

Kiro — Intent Mode Classifier

A lightweight intent-classification prompt that routes a user message into chat/do/spec modes and returns a JSON object of confidence scores summing t…

classification rubric constraint setting few-shot
226 5.3k 600 words
CU
Cursor
agent prompt

Cursor — Agent Prompt v1.0 (Claude Sonnet 4)

An earlier, leaner Cursor agent prompt (Claude Sonnet 4) focused on tool-calling rules, aggressive parallel tool execution, search-and-reading bias to…

role definition tool-use protocol parallel tool-call maximization
225 7.3k 1.5k words
DI
Dia
system prompt

Dia Browser AI - Chat Assistant System Prompt

System prompt for Dia, the in-browser AI assistant from The Browser Company. It defines a rich custom markup vocabulary (Simple Answers via <strong>, …

role definition custom markup protocol constraint setting
224 3.9k 2.6k words
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