The library

Every prompt, annotated

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

37 prompts
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
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
CU
Cursor
agent prompt

Cursor — Agent Prompt (GPT-5, 2025-09-03)

A refined Cursor in-editor agent prompt (GPT-5) with tightly structured spec blocks: status_update, summary, completion, flow, tool_calling, parallel …

role definition agentic persistence directive semantic-search-first strategy
218 3.8k 3.2k words
Gemini CLI
agent prompt

Google Gemini CLI — Interactive CLI Agent System Prompt

System prompt for Google's terminal-based coding agent. It defines Core Mandates (mimic project conventions, never assume libraries, minimal comments)…

role definition tool-use protocol few-shot
216 4.2k 2.6k words
VSCode Agent
agent prompt

VSCode Agent (GitHub Copilot) — GPT-4.1 Agent Prompt

The Copilot VS Code agent prompt for GPT-4.1, distinguished by an <applyPatchInstructions> section that mandates the apply_patch tool with a strict di…

role definition tool-use protocol structured diff format specification
209 3.7k 1.6k words
VSCode Agent
agent prompt

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

An expanded Copilot VS Code agent prompt for GPT-5 mini that adds a full software-engineering workflow: explicit mission/stop criteria, requirements-u…

role definition tool-use protocol structured diff format specification
206 685 3.1k words
AU
Augment Code
agent prompt

Augment Code — Agent Prompt (GPT-5)

GPT-5 variant of the Augment Agent system prompt. Compared to the Sonnet version it adds explicit Markdown output rules, defined 'Tasklist Triggers', …

role definition tool-use protocol tool-selection routing with examples
203 8.7k 2.2k words
QO
Qoder
agent prompt

Qoder — Quest Action Background Agent Prompt

System prompt for Qoder's agentic IDE running as an autonomous BACKGROUND AGENT that completes coding tasks without user interaction and returns a 1-2…

role definition background-agent framing tool-use protocol
195 7.9k 1.6k words
AM
Amp
agent prompt

Amp — Coding Agent (GPT-5)

Sourcegraph Amp's GPT-5-tuned system prompt, captured from the debug inference payload. Same Amp coding-agent identity and role/agency framing adapted…

role definition tool-use protocol agency mandate
182 8.8k 7.1k words
SA
Same.dev
agent prompt

Same.dev — Cloud IDE Agent Prompt (gpt-4.1)

System prompt for Same.dev's autonomous web-app building agent running in a cloud Ubuntu container at /home/project. It defines an agentic 'keep going…

role definition persona (model self-identification) agentic autonomy loop
176 5.1k 2.4k words
VSCode Agent
agent prompt

VSCode Agent (GitHub Copilot) — Claude Sonnet 4 Agent Prompt

GitHub Copilot's VS Code agent-mode system prompt as configured for Claude Sonnet 4, captured with a live conversation context block. It establishes t…

role definition tool-use protocol refusal policy
167 6.6k 1.5k words
Claude for Chrome
agent prompt

Claude for Chrome — Browser Agent System Prompt

System prompt for Anthropic's Claude in Chrome browser-automation agent (Haiku 4.5). Its dominant theme is prompt-injection defense: it treats all fun…

role definition refusal policy constraint setting
161 7.5k 6.6k words
Claude Code
agent prompt

Claude Code 2.0.0 — Full System Prompt & Tool Suite

The complete shipped system prompt for Claude Code v2.0.0 (Sonnet 4.5), bundled with its full tool catalog. It defines a terse CLI software-engineerin…

role definition tool-use protocol few-shot
159 278 8.6k words
Claude Code
agent prompt

Claude Code — Core System Prompt (Sonnet 4)

An earlier, leaner Claude Code system prompt (Sonnet 4, dated 2025-08-19) without the bundled tool schemas. It sets the terse CLI persona, prescribes …

role definition few-shot constraint setting
157 5.8k 2.6k words
OR
Orchids
agent prompt

Orchids — Next.js Coding Agent System Prompt

Large system prompt for Orchids' agentic coding assistant building Next.js 15 + Shadcn/UI TypeScript apps in an E2B sandbox. It covers task-completion…

role definition tool-use protocol constraint setting
142 8.3k 8.8k words
CU
Cursor
agent prompt

Cursor — Agent Prompt v1.2 (GPT-4.1)

The Cursor agent system prompt for an autonomous pair-programming coding agent embedded in the editor. It defines XML-tagged behavior blocks (communic…

role definition tool-use protocol few-shot
141 7.7k 5.2k words
CU
Cursor
agent prompt

Cursor — Agent CLI Prompt (GPT-5, 2025-08-07)

System prompt for Cursor's CLI agent (GPT-5) that pair-programs to autonomously resolve coding tasks. It specifies detailed communication specs (statu…

role definition agentic persistence directive tool-use protocol
137 7.6k 2.6k 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