Real AI agent use cases, with sources and setup prompts

Build a site where the character's head follows your cursor

He took a Pinterest image, prepared it in ChatGPT, animated head turns in Seedance, and had Claude Opus 5.5 build the whole site around the frames.

$4 in / $20 out per 1M tokens1 hourIntermediateSource linked

Source

@johnsavage_ai on X · 2026-10-19

Written in our own words. Credit to the original author. Link checked 2026-10-20.

What they did

He took a Pinterest image, prepared it in ChatGPT, animated head turns in Seedance, and had Claude Opus 5.5 build the whole site around the frames.

Result (as claimed)

Shared all prompts and the workflow.

Tools they used

Cost: Claude Opus 5.5: from $4 in / $20 out per 1M tokens.

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 Pinterest 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: Build a site where the character's head follows your cursor
What the original author did: He took a Pinterest image, prepared it in ChatGPT, animated head turns in Seedance, and had Claude Opus 5.5 build the whole site around the frames.
Reported result (as claimed by the author): Shared all prompts and the workflow.
Source: https://x.com/johnsavage_ai/status/2112280032441721154
Tools they used: Pinterest, ChatGPT, Seedance 2.5, Claude Opus 5.5
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 use ChatGPT for real projects and everyday tasks · How to use Cursor agents and automations · How to make AI video ads and Reels with agents

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