Have Claude Duet find unpaid invoices and draft every reminder
He connected Gmail, Calendar, Slack and Stripe to Claude before his Duet invite arrived, then used 3 prompts to map his inbox and chase money owed.
Source
@0xShoopy on X · 2026-10-22
Written in our own words. Credit to the original author. Link checked 2026-10-23.
What they did
He connected Gmail, Calendar, Slack and Stripe to Claude before his Duet invite arrived, then used 3 prompts to map his inbox and chase money owed.
Result (as claimed)
Duet found $2,450 in unpaid invoices, drafted every reminder and cut his pings from 8 a day to 2.
Tools they used
Cost: Stripe: free plan, paid from 2.9% + 30¢. Checked 2026-10-14.
Set it up
Gather the documents
Collect statements, bills, invoices or tax documents for the period you want reviewed.
Ask for an audit, not actions
Have Claude Duet list findings, amounts and suggested next steps before it does anything.
Approve each action
Approve cancellations, disputes or payments one at a time. Never give an agent open-ended access to move money.
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: Have Claude Duet find unpaid invoices and draft every reminder What the original author did: He connected Gmail, Calendar, Slack and Stripe to Claude before his Duet invite arrived, then used 3 prompts to map his inbox and chase money owed. Reported result (as claimed by the author): Duet found $2,450 in unpaid invoices, drafted every reminder and cut his pings from 8 a day to 2. Source: https://x.com/0xShoopy/status/2113321723881738494 Tools they used: Claude Duet, Claude, Gmail, Google Calendar, Slack, Stripe 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.
You are helping me set up this AI use case end to end in Codex. Goal: Have Claude Duet find unpaid invoices and draft every reminder What the original author did: He connected Gmail, Calendar, Slack and Stripe to Claude before his Duet invite arrived, then used 3 prompts to map his inbox and chase money owed. Reported result (as claimed by the author): Duet found $2,450 in unpaid invoices, drafted every reminder and cut his pings from 8 a day to 2. Source: https://x.com/0xShoopy/status/2113321723881738494 Tools they used: Claude Duet, Claude, Gmail, Google Calendar, Slack, Stripe 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.
You are helping me set up this AI use case end to end in Grok Bot. Goal: Have Claude Duet find unpaid invoices and draft every reminder What the original author did: He connected Gmail, Calendar, Slack and Stripe to Claude before his Duet invite arrived, then used 3 prompts to map his inbox and chase money owed. Reported result (as claimed by the author): Duet found $2,450 in unpaid invoices, drafted every reminder and cut his pings from 8 a day to 2. Source: https://x.com/0xShoopy/status/2113321723881738494 Tools they used: Claude Duet, Claude, Gmail, Google Calendar, Slack, Stripe 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 automate email and your inbox with AI agents · How to use Claude Duet: real examples and tips · How to build your own invoicing and bookkeeping app with AI · How to use AI agents for taxes, bills and budgets
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