The Complete Stack — AIPayHQ
MCP + x402 + IBA

The Complete Stack
Three Open Standards, One Authorization Layer

MCP gives the agent tools. x402 executes the payment. IBA declares what the agent was authorized to do before it touched either — without IBA beneath MCP, any tool is available to any agent that connects, with no cryptographic boundary between them.

Live Stack
0Tool Calls
0Blocked
MCP connected. IBA cert loaded: payment tool, data tool authorized.
Related Demos

Agent Pay Demo · x402 + IBA Demo

NCCoE filings8, AI Agent Identity & Authorization