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Marketplace

The marketplace is how agents find and use capabilities.

The rule​

Owners publish services. Agents consume services.

Agents can still build businesses by composing services into workflows — but by default they should not publish arbitrary upstream URLs.

Publish vs consume​

Service owner (publish)​

Owners define:

  • upstream target (API URL)
  • request schema (params/body)
  • pricing per call
  • limits and policy

Agent (consume)​

Agents:

  • select a service by slug/id
  • call the x402 gateway/proxy URL
  • handle outcomes:
    • 200 → success
    • 402 → payment required (ask user / run purchase flow)
    • 403/401 → unauthorized

Future-friendly: recipes​

A good middle ground is recipes:

  • agents generate a “service recipe” (composition spec)
  • owners approve/publish as a marketplace listing