Real AI agent use cases, with sources and setup prompts

Generate App Store screenshots in 20+ languages through an MCP tool

whcefri found App Store screenshots the most painful part of shipping apps, so he built a free tool that builds the theme, translates into 20+ languages and renders for iPhone and iPad. It has an MCP server so Claude can do it all.

See pricing page30 minBeginnerSource linked

Source

@whcefri on X · 2026-10-21

Written in our own words. Credit to the original author. Link checked 2026-10-24.

What they did

whcefri found App Store screenshots the most painful part of shipping apps, so he built a free tool that builds the theme, translates into 20+ languages and renders for iPhone and iPad. It has an MCP server so Claude can do it all.

Result (as claimed)

Store screenshots for every language and device from one request.

Tools they used

ClaudeMCP

Cost: Pricing depends on the tools you pick; check each official pricing page.

Set it up

  1. Write a one-page brief

    Describe the app in plain words: who it is for, the 3 core screens or actions, and what "done" looks like.

  2. Start the project with your agent

    Open Claude and paste the brief. Ask it to propose a stack and a file plan before writing code.

  3. Build one slice at a time

    Ship the smallest working flow first, run it, then add features one by one. Commit after each working step.

  4. Test it like a user

    Click through on desktop and phone. Ask the agent to add basic tests and fix anything that breaks.

  5. Check security and ship

    Keep keys in environment variables, check auth and database rules, then deploy and share the link.

Copy the full setup prompt

Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.

You are helping me set up this AI use case end to end in Claude Code.

Goal: Generate App Store screenshots in 20+ languages through an MCP tool
What the original author did: whcefri found App Store screenshots the most painful part of shipping apps, so he built a free tool that builds the theme, translates into 20+ languages and renders for iPhone and iPad. It has an MCP server so Claude can do it all.
Reported result (as claimed by the author): Store screenshots for every language and device from one request.
Source: https://x.com/whcefri/status/2112948687689445749
Tools they used: Claude, MCP
Category: Vibe coding & apps

Please:
1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like).
2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure.
3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data.
4. Finish with a checklist to run it again next time.

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Guides for this use case

How to build an MCP server for AI agents · How to translate and localize your app or content with AI · How to launch an app and get your first users with AI · How to build an iPhone or Android app with AI

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