Real, published system prompts from shipping AI products — each with source attribution and notes on what makes it work.
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…
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…
An expanded Copilot VS Code agent prompt for GPT-5 mini that adds a full software-engineering workflow: explicit mission/stop criteria, requirements-u…
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…
A compact utility prompt that generates a short title summarizing a chat conversation. Constrains output to ~8 words or fewer, unquoted, impersonal, a…
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…
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…
Copilot's 'Next Edit Suggestion' (NES) tab-completion prompt that predicts the developer's next change inside <|code_to_edit|> tags. It enumerates the…
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…