$ cat system_prompt.txt
A curated arsenal of system prompts,
not a 10,000-prompt junkyard.
Every prompt here is hand-built around a real workflow — structured constraints, variables you fill in, and usage notes on the failure modes to watch for. Copy, paste, ship.
new
Reverse-engineered system prompts
The actual system prompts behind Claude, ChatGPT, Cursor, Perplexity and more — official releases and reported leaks, each with its source and our analysis of the techniques worth stealing.
Gemini CLI System Prompt official
Google · observed 2026-09-08
v0 System Prompt reported
Vercel · observed 2026-05-10
Claude Code System Prompt reported
Anthropic · observed 2025-12-02
Claude Sonnet 4.5 System Prompt official
Anthropic · observed 2025-09-29
marketplace
Prompt packs from independent creators
Creators upload their best system prompts as paid packs. Every pack is reviewed by a human before listing; creators keep 75% of every sale (25% platform fee). One-time purchase, instant access.
Customer Support Starter Pack
Four compact system prompts covering the core support queue: refunds, shipping inquiries, angry-customer complaints, and ticket triage to the right queue.
Marketing & GrowthSaaS Landing Page Copy Engine
Two prompts that turn a product brief into full landing page copy: positioning-first page architecture plus a hero variant generator for A/B testing.
Productivity & AssistantsSolopreneur Ops Pack
Running a one-person business? Four prompts for the weekly grind: status reports, meeting notes to actions, email polishing, and breaking big goals into tasks.
Browse by workflow
Customer Service
Support bots that de-escalate instead of deflecting
Coding & Development
Pair programmers with actual opinions
Writing & Copy
Drafts that don't read like AI wrote them
Marketing & Growth
Positioning before platitudes
Legal & Compliance
Summaries that flag risk instead of hiding it
Roleplay & Characters
Characters that stay in character
Education & Tutoring
Tutors that teach, not just answer
Productivity & Assistants
Assistants that close loops
Data & Analysis
Analysts that show their work
Sales & Outreach
Outreach that gets replies, not spam reports