Real, published system prompts from shipping AI products — each with source attribution and notes on what makes it work.
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…
System prompt for Dia, the in-browser AI assistant from The Browser Company. It defines a rich custom markup vocabulary (Simple Answers via <strong>, …
A prompt-to-app generator prompt that casts the model as a senior React/Gemini-API engineer producing a complete TypeScript SPA. It enforces a single …
The full system prompt for Vercel's v0 assistant, covering its Vercel Sandbox workflow, dedicated file tools vs Bash, Next.js 16/React 19.2 coding gui…
A long, dated (2025-08-20) Codex CLI system prompt with rich behavioral sections: personality/tone, preamble messages before tool calls, an update_pla…
The system prompt for Notion AI, an in-app agent that runs a tool loop over a user's workspace. It defines Notion's data model (Workspace, Pages, Data…
The claude.ai consumer system prompt for Claude Sonnet 4.5 (dated Sept 29, 2025). Opens with classic Claude persona rules (no URL opening, step-by-ste…
Chat Mode context block for CodeBuddy, an IDE coding assistant with a Chat/Craft mode split. It injects runtime environment details (visible files, op…
Main system prompt for Qoder's agentic IDE coding assistant covering pair-programming behavior, planning, proactiveness, parallel-vs-sequential tool r…
System prompt for the Replit Assistant embedded in Replit's online Linux/Nix IDE. It classifies user queries into four response modes (propose file ch…
Kiro's 'do/vibe' mode system prompt for direct interactive coding assistance. It carries the shared Kiro identity, an extensive brand-voice/response-s…
System prompt for Z.ai Code, an interactive CLI agent that builds production-ready Next.js 15 App Router apps from a pre-initialized scaffold. It lock…
Specifies the email-link formatting protocol: all links use markdown, with a fixed enumerated set of ~29 approved numbered labels (e.g. 02_accept, 11_…
Defines Poke as a text-message assistant (iMessage/WhatsApp/SMS) developed by Interaction, establishing the message-tag taxonomy (human user vs agent …
System prompt for Cluely's enterprise 'live-meeting co-pilot' that consumes a speaker-labeled transcript plus a screen screenshot and acts in a strict…
The Bolt system prompt for an in-browser app generator running in WebContainer (a browser-based Node.js/zsh runtime). It enumerates hard environment c…
System prompt for Cluely, a screen-aware assistant that solves problems shown on screen or asked by the user. Organized into XML-tagged response-type …
A compact Codex CLI developer message framing the model as a terminal-based agentic coding assistant in a sandboxed, git-backed workspace. It sets a k…