Build prompts that
actually work
Master prompt builder for every major AI tool. Guided wizard, real-time preview, prompt scoring, and Pro features. Zero frameworks, zero dependencies. Built from scratch.
Everything under the hood
A full-stack prompt engineering platform built with vanilla JS, PHP, and MySQL. No frameworks, no build tools, no npm.
Interactive Wizard
Multi-step guided questionnaire with state management, conditional logic, skip rules, and profile steps. Auto-advance and swipe gestures on mobile.
12 AI Engines
Tool-specific prompt generation for ChatGPT, Claude, Gemini, Grok, Midjourney, DALL-E, Cursor, Windsurf, Copilot, Perplexity, Claude Code, and Codex.
Prompt Scoring
Algorithmic strength scoring that evaluates specificity, personalization, output formatting, and behavioral rules. Calibration examples included.
Live Preview
Master prompt and starter task prompt build in real-time as the user answers each question. Instant visual feedback on every selection.
Pro Vault + Sync
Save prompts, sync across devices, full history with versioning. Powered by Freemius license management and server-side sync API.
PWA + Mobile App
Full Progressive Web App with service worker, offline caching, install prompt, and re-engagement system. App-like mobile experience with swipe navigation.
Security Hardened
CSP + HSTS headers, PDO prepared statements, rate limiting on all endpoints, XSS protection, disposable email blocking, and .env-based secrets.
SEO + Structured Data
JSON-LD schemas on every page (Article, FAQPage, HowTo, WebApplication, Speakable). OG tags, Twitter Cards, canonical URLs, and XML sitemap.
Freemium Monetization
Free tier with email gate after first build, 3 builds/month limit. Pro unlocks vault, history, advanced mode, PDF export, and exclusive AI tools.
Prompts optimized for every major AI
Each AI tool gets a unique prompt generation engine tuned to its strengths, syntax, and capabilities.
Zero frameworks. All hand-coded.
Every line of code serves a purpose. No React, no Vue, no Tailwind, no npm, no build step. Just vanilla everything.
What's under the hood
- 6000+ line prompt builder wizard — single vanilla JS file
- 12 tool-specific prompt generation engines
- Prompt strength scoring algorithm
- Real-time live preview with state management
- Pro/Free gating with license validation
- Server-side vault + history sync API
- IP-based rate limiting on all endpoints
- Email validation with MX + disposable domain blocking
- CSP, HSTS, XSS protection, SQL injection prevention
- Full PWA with offline caching + re-engagement
- Mobile app mode with swipe gestures + auto-advance
- 12 SEO-optimized guide pages with JSON-LD schemas
Build a master prompt in 5 minutes
Free, no signup. Works for all 12 AI tools.
Free forever · Pro from $19/mo · PWA installable