Real AI agent use cases, with sources and setup prompts
From shipped demo to paid product with agent-friendly payment skills. 5 matching use cases below, each with a public source.
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Built ShipToPaid: coding-agent skills plus a Next.js starter that wires Polar or Stripe payments, webhooks and paywalls for Codex, Claude Code and Cursor.
Client pays, Stripe sends a signal, Zapier catches it and fires the rest of the onboarding, cutting two hours of work to zero.
Claire Vo shows how she gives each Grok Bot agent one clear job plus its own browser and tools so it works like a coworker.
Shipped Agent-to-agent payment. Your agents can pay each other and shared it as a Show HN.
A CPA set up an AI agent that sends clients polite payment reminders.
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