The library

Every prompt, annotated

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

9 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
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
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
VSCode Agent
agent prompt

VSCode Agent (GitHub Copilot) — GPT-4o Agent Prompt

The leanest of the Copilot VS Code variants, configured for GPT-4o. It keeps the core Copilot identity, content refusals, tool-use instructions, and a…

role definition tool-use protocol refusal policy
99 5.3k 1.1k words
VSCode Agent
agent prompt

VSCode Agent (GitHub Copilot) — Gemini 2.5 Pro Agent Prompt

The Copilot VS Code agent prompt tuned for Gemini 2.5 Pro. Same Copilot identity and tool-use scaffolding as the other variants, but the edit instruct…

role definition tool-use protocol refusal policy
81 5.8k 1.5k words
VSCode Agent
agent prompt

VSCode Agent (GitHub Copilot) — NES Next-Edit Tab Completion Prompt

Copilot's 'Next Edit Suggestion' (NES) tab-completion prompt that predicts the developer's next change inside <|code_to_edit|> tags. It enumerates the…

role definition context-channel specification constraint setting
62 539 950 words
CL
Cline
system prompt

Cline — IDE Coding Agent System Prompt

The Cline VSCode coding-agent prompt built around an XML tool-call protocol with a strict one-tool-per-message, wait-for-confirmation loop. It documen…

role definition tool-use protocol custom XML protocol
52 5.1k 6.5k words
VSCode Agent (GitHub Copilot)
agent prompt

VSCode Agent — GitHub Copilot Agent Prompt with Tools

Full agent system prompt for GitHub Copilot in VS Code, combining an identity/instructions block with an embedded JSON array of ~20 tool definitions a…

role definition XML sectioning tool-use protocol
21 5.3k 2.6k words