build1 publisher
Header pricing in x402 v2 and MCP 2026-07-28 leaves spend approval for enterprises to build
Prakash Rao and Marco Gonzalez say x402 v2 and MCP 2026-07-28 expose a tool call's price to the gateway but leave undefined who may approve the spend. Their demo treats the agent as hostile, so the budget check must sit out of its reach.
Publishers:dev.to
Reality
- Evidence45
- Adoption
- Insufficient
- Hype gap+10
- Incentives35
- Confidence40