AI prompt engineering SaaS with 6 models, Stripe billing, and team features
I built PromptFather — an AI prompt engineering platform where users build, enhance, and manage prompts for ChatGPT, Claude, and Gemini. What's included: Full source code (React + Express + TypeScript + PostgreSQL) Domain: getpromptfather.com 6 AI models integrated (GPT-4o Mini, GPT-5.1, Gemini 2.5 Flash/Pro, Gemini 3 Flash/Pro) Stripe fully wired — 5 subscription tiers + token wallet Team collaboration (workspaces, invites, shared library) 100+ templates, 7 business wizards Privacy Shield (PII detection/scrubbing) Auth (email + Google OAuth), admin dashboard GCP Cloud Run deployment with Docker Full transfer documentation and README Legal pages (Privacy, Terms, Cookies) Why selling: Shifting focus to other ventures. Don't have the bandwidth to market it. Asking: £2,000 — open to reasonable offers for a quick sale. DM me. Live: https://getpromptfather.com
Next step: <p>Launch on Product Hunt for initial traction. Add a prompt marketplace for community-driven growth. Enable the enterprise tier (SSO, eval datasets — partially built and feature-flagged). Build email marketing automation for conversion. Target AI tool directories and prompt engineering communities. Add Zapier/Make.com integrations for power users. White-label for agencies or consultancies.</p>
For sale
Asking price: $2,499 USD
What's included
Domain name, Source code, All related data, All related design work
Full transfer documentation, README, deployment config, Stripe products, GCP Cloud Run setup, 14 test files.
Reason for selling
I am busy with other things and no longer have time to maintain this project.
Project metrics
Average Monthly Visitors: Pre-launch
Average Monthly Revenue: Pre-revenue
Average Monthly Downloads: Pre-launch / New project
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