The library

Every prompt, annotated

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

6 prompts
v0
system prompt

v0 - Vercel App Builder System Prompt

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…

role definition tool-use protocol few-shot transcripts
202 5.2k 5.4k words
KI
Kiro
system prompt

Kiro — Vibe Mode (Direct Coding Agent)

Kiro's 'do/vibe' mode system prompt for direct interactive coding assistance. It carries the shared Kiro identity, an extensive brand-voice/response-s…

role definition persona/brand-voice guide constraint setting
162 161 2.4k words
WI
Windsurf (Cascade)
tool schema

Windsurf Cascade — Tool Definitions (Wave 11)

TypeScript-namespace style tool definitions for Windsurf Cascade, declaring ~30 tools spanning codebase search (codebase_search, grep_search, find_by_…

tool-use protocol output formatting constraint setting
161 3.6k 2.6k 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
RO
RooCode
agent prompt

RooCode — Code Mode System Prompt

Full system prompt for RooCode's 'Code' mode, a VS Code agent. It opens with UI/configuration text, then defines an XML-tag tool-use protocol with one…

role definition tool-use protocol XML output formatting
13 4.3k 7.2k words