Turn one sentence into a production prompt.
Twenty specialised agents do the work. Analyse, engineer, assemble — entirely on-device, in under two minutes.
Three steps. One tap.
Describe a goal. Watch twenty agents work in real time. Copy a production Prompt Pack.
- STEP 01~10s
Describe.
Type what you want the AI to do — a code reviewer, blog writer, data analyst. One sentence.
→Goal parsed - STEP 02~90s
Watch.
Twenty specialists analyze, engineer, build, quality-check, and deliver — live timeline.
→20/20 agents complete - STEP 03instant
Copy.
System prompt, developer rules, few-shot examples, output schema, evaluation criteria. Paste anywhere.
→Prompt Pack ready
A pipeline of twenty specialists.
Each agent owns a single responsibility. They run on-device, in sequence, with no cloud round-trips.
$ mpl run "code reviewer for python"
▸ 20/20 agents complete · 92/100 quality · 13 gates passed
→ system + developer + 4 few-shot examples + schemaEach pipeline run completes in ~100 seconds on iPhone 15 Pro and newer.
Designed for iPhone.
Built around Apple Intelligence. 100% on-device. No accounts. No telemetry.

Twenty agents.
Describe a goal in one sentence. The Create tab lights up the agent pipeline.

~100 seconds.
Five phases — Analyze, Engineer, Build, Quality, Deliver — finish in under two minutes on iPhone 15 Pro+.

Any AI.
Ship the Prompt Pack into ChatGPT, Claude, Gemini, Copilot, Midjourney, or Grok. Plain text. No lock-in.

Yours only.
Apple Intelligence runs everything locally. Prompts never leave the device — no accounts, no API keys, no telemetry.

Free to start.
Free runs 8 of 20 specialists, 5 a day. Upgrade to Monthly £4.99, Yearly £29.99 or Lifetime £59.99 — full 20-agent pipeline, Vault, export.
Designed for iPhone. Polished for iPad.
Pro prompt engineering on the road or at the desk.

Private by design.
Every agent runs locally on your iPhone. Your prompts never leave the device.
Architectural · not policy
Questions, answered.
Everything you need before you tap install.
Does MetaPromptLab work offline?
Yes — the entire 20-agent pipeline runs locally via Apple Intelligence. No internet required after install.
Which iPhones are supported?
iPhone 15 Pro and newer running iOS 26 with Apple Intelligence enabled.
Which AI models can I paste the output into?
Any. Plain text Prompt Packs work in ChatGPT, Claude, Gemini, Copilot, Midjourney, Grok, and any model accepting structured prompts.
Do you collect prompts or telemetry?
No. Zero analytics, zero accounts, zero cloud calls. The privacy commitment is architectural — there is no server to send data to.
What's in a Prompt Pack?
System prompt, developer instructions, operating rules, 3-5 few-shot examples, output schema, evaluation criteria, and a token budget recommendation.
What does Pro add over Free?
Unlimited daily runs, all 20 specialist agents, JSON/Markdown export, Vault access, and priority processing. Choose Monthly £4.99, Yearly £29.99 (50% off, 3-day trial) or one-time Lifetime £59.99.
Still curious? → Contact support
Pick the plan that fits.
Start free with 8 of 20 specialists and 5 runs a day. Upgrade Monthly, Yearly (50% off) or one-time Lifetime to unlock all 20 specialists, unlimited runs, Vault & export.