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…
JSON tool-definition file for the Augment Agent (Claude Sonnet 4 variant) defining ~22 tools: file editing (str-replace-editor with line-numbered mult…
JSON tool/function schema file defining ten code-generation tools for the Leap.new app builder, including create_artifact, define_backend_service, cre…
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…
An earlier, leaner Cursor agent prompt (Claude Sonnet 4) focused on tool-calling rules, aggressive parallel tool execution, search-and-reading bias to…
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 refined Cursor in-editor agent prompt (GPT-5) with tightly structured spec blocks: status_update, summary, completion, flow, tool_calling, parallel …
System prompt for Google's terminal-based coding agent. It defines Core Mandates (mimic project conventions, never assume libraries, minimal comments)…
Tool schemas for Traycer's Plan mode, layering exploration tools (list_dir, file_search, grep_search, read_file, LSP navigation, get_diagnostics) with…
Machine-readable JSON array of Claude Code's 15 tool definitions, each with a descriptive prose blurb and an input_schema. Tools include Task (subagen…
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…
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 …
GPT-5 variant of the Augment Agent system prompt. Compared to the Sonnet version it adds explicit Markdown output rules, defined 'Tasklist Triggers', …
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…
A JSON tool-definition array for Notion AI's eight workspace tools: view (load entities/webpages by URL), search (a single tool with internal/web/defa…