The prompt
Here are my open invoices: [paste customer, invoice, amount, due date]. For each one past due, draft a payment reminder - firm but polite, mentioning invoice number, amount and days overdue. Approval status column at the end. Do not send anything.What to bring
Chasing overdue invoices is the job everyone postpones: checking what is due, how overdue, drafting a reminder that is firm but not rude, then forgetting to send it.
What a good run returns
Customer, invoice, amount due, days overdue, reminder draft and approval status, in a Bookkeepers Receivables Follow-up Workspace folder.
Where the free version ends
A prompt runs when you remember to run it, from whatever context you paste, and it forgets the rules between sessions. The Receivables Follow-up Agent ($19 one-time) installs this as a standing workflow: fixed evidence rules, a saved output in your own Drive every run, fictional-data testing before real work, and hard stops before anything sends, spends or publishes. More detail on the invoice follow-ups guide.
Questions people ask
Is this prompt really free?
Yes. Copy it, paste it into any capable assistant, bring the inputs listed. No signup, no email gate.
Which assistants does the prompt work in?
Any capable chat assistant: Instinct, ChatGPT, Claude, Gemini, Grok, DeepSeek, Perplexity, Microsoft Copilot, Hermes, OpenClaw, Town, Muse and others.
What is the difference between the free prompt and the $19 agent?
The prompt is a one-off: you re-paste the rules every run. The $19 agent is the same job productized - tested setup, saved files, consistent output, standing cycle.
Last updated 13 September 2026 · Reviewed by the AI Agent Skills team.