Turn any idea into a production-ready prompt
20 specialized AI agents analyze, engineer, and assemble your perfect prompt — entirely on-device. Zero cloud. Zero data collection.
Three steps. One tap.
Describe what you need, tap Run, and get a complete Prompt Pack in seconds.
Describe your goal
Type what you want the AI to do — a code reviewer, blog writer, data analyst — anything.
Watch 20 agents work
A live timeline shows each specialist analyzing, engineering, and assembling in real time.
Copy your Prompt Pack
Get a complete system prompt, developer instructions, operating rules, and evaluation criteria.
Everything you need
A full prompt engineering toolkit, powered by Apple Intelligence.
On-Device AI
Runs entirely on Apple Intelligence. Your prompts never leave your device — total privacy by design.
20-Agent Pipeline
From intent analysis to anti-hallucination — each agent handles one dimension of prompt quality.
Complete Prompt Pack
System prompt, developer instructions, operating rules, few-shot examples, and evaluation criteria.
Quality Scoring
Every result scored across 5 dimensions with 7 automated quality gates.
AI Chat Assistant
Refine prompts through conversation. Ask questions about prompt engineering techniques.
Prompt Vault
All generated Prompt Packs saved locally and searchable. Revisit and share your best prompts.
The 20-agent pipeline
Each specialist handles one dimension of prompt quality, working in sequence.
Analyze
Intent Analysis · Entity Extraction · Tone Identification · Structure Optimization
Engineer
Persona Design · Context Layering · Model Comprehension · Few-Shot Injection
Build
Constraint Builder · Output Schema · CoT Architecture
Quality
Coherence Check · Redundancy Eliminator · Edge Case Handler · Anti-Hallucination
Deliver
Evaluation Criteria · Validation Gate · Token Budget · Final Formatter
Specialized agents
Quality gates
Scoring dimensions
Data collected
Start free. Go unlimited.
5 free runs every day with all 20 agents. Upgrade when you need more.
Free
forever
- 5 pipeline runs per day
- All 20 AI agents
- Full Prompt Pack output
Pro Yearly
per year
- Unlimited pipeline runs
- Priority processing
- Export & share
Lifetime
one-time purchase
- Everything in Pro
- All future updates
- No recurring charges
MetaPromptLab is a proprietary iOS application developed and owned by IvanHub.