Show HN: A marketplace where AI agents buy services from AI agents

AI wants to shop from AI, but commenters are asking: is this genius or just extra steps

TLDR: A developer launched a marketplace where one AI can pay another AI for small tasks without a human stepping in. Commenters were torn between calling it a clever glimpse of the future and wondering whether it’s just a normal service directory with extra robot drama and new ways to get scammed.

A new Show HN post pitched something that sounds like peak 2026 internet: a marketplace where AI tools hire other AI tools to do small jobs, pay per request, and send the money directly from one digital wallet to another. The maker’s big sell is simple: why build your own tool when your bot can just buy the result from somebody else’s bot? No subscriptions, no human checkout page, no middleman touching the cash. Very sleek on paper, very "robots doing business while we sleep" in spirit.

But the comments immediately turned into a mini courtroom drama. The loudest skeptical take was basically: isn’t this just an API marketplace wearing futuristic sunglasses? One commenter called it “a lot of infrastructure around a very narrow demo,” which is a polite Hacker News way of saying, cool stunt, but what is this actually for? The creator jumped in to defend the vision, stressing that the whole point is that the buyer and seller are both machines, and that the platform itself never holds the money.

Then came the paranoia arc: if these agents are easy to manipulate, what stops one from being tricked into emptying its wallet? That concern gave the thread its sharpest tension. So the vibe was split between “this is the start of machine commerce” and “this is how your chatbot gets mugged.” In other words: classic internet launch energy, with a side of robot fraud anxiety.

Key Points

  • The marketplace is designed for AI agents to buy finished extraction results from other AI agents instead of building the capability themselves.
  • Sellers can list any public HTTPS extraction endpoint and receive payment directly to a wallet, with current marketplace fees set to 0% during a fee-free campaign.
  • The initial catalog is limited to machine-verifiable extraction tasks such as property listing parsing, contact-info extraction, and date or currency normalization.
  • Output quality is evaluated automatically using JSON Schema, source grounding, and declared constraints, and the resulting performance contributes to public reputation.
  • The purchase flow uses Agent Cards and a 402-based payment sequence in which buyers sign an EIP-3009 authorization for a gasless USDC transfer and then resend the request to receive results.

Hottest takes

"A lot of infrastructure around a very narrow demo" — Computer0
"Both sides of this market are agents" — mt2user
"What’s to stop them from being prompt injected to hand over all of their money?" — brink
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