Real AI agent use cases, with sources and setup prompts

Build an AI money coach startup solo with Claude Code and Codex

Junead Khan left a $200K Microsoft job and built Treasury, an AI-powered money coach, solo with Claude Code and Codex, with no co-founder or VC funding.

$17/moMonthsAdvancedSource linked

Source

@FmboASUTJJUT2NF on X · 2026-10-17

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

What they did

Junead Khan left a $200K Microsoft job and built Treasury, an AI-powered money coach, solo with Claude Code and Codex, with no co-founder or VC funding.

Result (as claimed)

Over $6,000 in revenue so far.

Tools they used

Claude CodeOpenAI Codex

Cost: Claude Code: from $17/mo; OpenAI Codex: free plan, paid from $8/mo.

Set it up

  1. Gather the documents

    Collect statements, bills, invoices or tax documents for the period you want reviewed.

  2. Ask for an audit, not actions

    Have Claude Code list findings, amounts and suggested next steps before it does anything.

  3. Approve each action

    Approve cancellations, disputes or payments one at a time. Never give an agent open-ended access to move money.

  4. Track the result

    Record what changed and what you saved so you can check it next month. This is not financial advice.

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 an AI money coach startup solo with Claude Code and Codex
What the original author did: Junead Khan left a $200K Microsoft job and built Treasury, an AI-powered money coach, solo with Claude Code and Codex, with no co-founder or VC funding.
Reported result (as claimed by the author): Over $6,000 in revenue so far.
Source: https://x.com/FmboASUTJJUT2NF/status/2111456194313253224
Tools they used: Claude Code, OpenAI Codex
Category: Money

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 run multiple coding agents together

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