AAIF is a neutral, open foundation ensuring AI capabilities evolve transparently and collaboratively, advancing adoption of leading open source AI projects.
Who told the agent it could spend?
An agent calls a paid MCP tool. The gateway returns a price. The wallet checks the amount against spending rules. If approved, the agent retries with payment proof. The gateway verifies the payment and the MCP service executes the tool.
Stateless MCP + x402 make the flow explicit, scalable, and easier to govern.
Read more from Soheima Canton (AAIF Ambassador):