Real AI agent use cases, with sources and setup prompts

Rewrite copy on your vibe-coded site by highlighting it in a Chrome extension

nateliason built SlopEraser, a Chrome extension to highlight text on a vibe-coded site and rewrite it, saving every rewrite into one prompt for an agent to apply at once.

See pricing page1 hrIntermediateSource linked

Source

@nateliason on X · 2026-10-23

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

What they did

nateliason built SlopEraser, a Chrome extension to highlight text on a vibe-coded site and rewrite it, saving every rewrite into one prompt for an agent to apply at once.

Result (as claimed)

Copy fixes collected visually and shipped in one pass.

Tools they used

ChromeClaude Code

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 Chrome 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: Rewrite copy on your vibe-coded site by highlighting it in a Chrome extension
What the original author did: nateliason built SlopEraser, a Chrome extension to highlight text on a vibe-coded site and rewrite it, saving every rewrite into one prompt for an agent to apply at once.
Reported result (as claimed by the author): Copy fixes collected visually and shipped in one pass.
Source: https://x.com/nateliason/status/2113742519418892437
Tools they used: Chrome, Claude Code
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 vibe code an app with Claude Code · How to build a Chrome extension with AI · How to compare AI models on the same prompt

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