The Challenge
Most people struggle to write effective AI prompts. Without structure, prompts tend to be vague, leading to inconsistent and low-quality outputs. Existing tools either offer no guidance or are overly complex for everyday use.
- Users lacked a structured approach to prompt engineering
- No easy way to save, organise, and reuse prompts across sessions
- Discovering high-quality prompts from the community was fragmented
- Managing different AI personas for different tasks was tedious
The Solution
PromptKing introduces a guided 5-step wizard that walks users through crafting effective prompts — from defining intent and selecting an AI role, to adding context, specifying output requirements, and running a quality check.
- Step 1: Intent — Define one clear sentence describing what you want
- Step 2: Role — Choose from 15+ pre-built AI personas or create custom ones
- Step 3: Context — Add input data, target audience, and constraints
- Step 4: Output — Define expected format and content requirements
- Step 5: Quality Check — Automated validation checklist before finalising
Key Deliverables
Architecture
- Full-stack application with React SPA frontend and Go REST API backend
- PostgreSQL database with JSONB columns for flexible prompt storage
- JWT authentication with refresh token rotation and Google OAuth integration
- Rate limiting and security hardening across all endpoints
Frontend
- React 18 with TypeScript and Vite for fast development
- shadcn/ui component library built on Radix UI primitives
- Multi-step wizard with state persistence across steps
- Protected routes with automatic session management
Backend
- Go API server with go-chi router and middleware stack
- Database migrations with golang-migrate for schema versioning
- GitHub API integration for auto-discovering open-source prompt repositories
- Soft-delete support for data recovery and audit trails
Features
- Save and manage personal prompt library
- Create and customise AI role personas
- Explore open-source prompts from curated GitHub repositories
- Dual authentication: email/password and Google OAuth