Real AI agent use cases, with sources and setup prompts

Let an AI agent book appointments with your email, calendar and card

After a couple of weeks of giving Meta's Muse his email, calendar and credit card, a writer shares what happened, including the agent inventing his date of birth when it booked a blood test.

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Source

@RogerMichelden on X · 2026-10-15

Written in our own words. Credit to the original author. Link checked 2026-10-17.

What they did

After a couple of weeks of giving Meta's Muse his email, calendar and credit card, a writer shares what happened, including the agent inventing his date of birth when it booked a blood test.

Result (as claimed)

Blood test booked; write-up linked on X.

Tools they used

Muse

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 Muse 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: Let an AI agent book appointments with your email, calendar and card
What the original author did: After a couple of weeks of giving Meta's Muse his email, calendar and credit card, a writer shares what happened, including the agent inventing his date of birth when it booked a blood test.
Reported result (as claimed by the author): Blood test booked; write-up linked on X.
Source: https://x.com/RogerMichelden/status/2110846518387421477
Tools they used: Muse
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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