Real AI agent use cases, with sources and setup prompts

Bring an old self-published book up to date with Claude

gregorycampion wrote a book about his experience taking the CFA exams, published in 2013. He never had time to update it and sales petered out, so he turned to Claude to work on it.

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Source

@gregorycampion on X · 2026-10-10

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

What they did

gregorycampion wrote a book about his experience taking the CFA exams, published in 2013. He never had time to update it and sales petered out, so he turned to Claude to work on it.

Result (as claimed)

An out-of-date book back in progress after years untouched.

Tools they used

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

Set it up

  1. Define the job

    Say exactly what you want done and what the agent may and may not do on your behalf.

  2. Share only what is needed

    Give Claude the minimum files or access required. Avoid sharing passwords in chat when a safer login flow exists.

  3. Review the plan

    Ask the agent to show its plan or draft before it acts, and approve each step that has real consequences.

  4. Check the result

    Confirm the outcome yourself (order placed, request sent, document understood) and keep a record.

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: Bring an old self-published book up to date with Claude
What the original author did: gregorycampion wrote a book about his experience taking the CFA exams, published in 2013. He never had time to update it and sales petered out, so he turned to Claude to work on it.
Reported result (as claimed by the author): An out-of-date book back in progress after years untouched.
Source: https://x.com/gregorycampion/status/2108937211030728779
Tools they used: Claude
Category: Personal & life

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 write and publish a book with AI

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