Real AI agent use cases, with sources and setup prompts

View your latest screenshot inside Claude Code with a mod

A developer built his first Claude Code mod: /image opens the latest screenshot in a zoomable split, bringing back the easy screenshot viewing he missed from the desktop app. It needs a terminal like Ghostty.

$17/mo10 minutesBeginnerSource linked

Source

@paulund on X · 2026-10-18

Written in our own words. Credit to the original author. Link checked 2026-10-18.

What they did

A developer built his first Claude Code mod: /image opens the latest screenshot in a zoomable split, bringing back the easy screenshot viewing he missed from the desktop app. It needs a terminal like Ghostty.

Result (as claimed)

Shared publicly by the builder.

Tools they used

Cost: Claude Code: from $17/mo.

Set it up

  1. Pick a contained repo or task

    Start on a branch or side project where mistakes are cheap.

  2. Install and configure

    Set up Claude Code, Ghostty. Read what it can run on your machine and limit permissions where possible.

  3. Run it on a real task

    Give it a well-scoped issue and let it work. Review the diff like any pull request.

  4. Add guardrails

    Keep tests and CI in the loop, and never let an agent push to main or touch production secrets unattended.

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: View your latest screenshot inside Claude Code with a mod
What the original author did: A developer built his first Claude Code mod: /image opens the latest screenshot in a zoomable split, bringing back the easy screenshot viewing he missed from the desktop app. It needs a terminal like Ghostty.
Reported result (as claimed by the author): Shared publicly by the builder.
Source: https://x.com/paulund/status/2111760818333204826
Tools they used: Claude Code, Ghostty
Category: Dev & ops

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

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