Fail-Closed Commerce for Browser Agents

WebMCP Deadbolt

A storefront where people and agents share one cart—and consequential actions stay visibly closed until every gate is real.

Checking WebMCP support…

01 / Fixture storefront

Trail Supply Co.

02 / Shared state

Human + agent cart

No mutations yet
Total$0.00 USD

03 / Public protocol

Capability console

Display only—not an auth boundary

04 / Observable behavior

Activity ledger

0 calls

Tool calls and refusals will appear here.

05 / Attack the gate

Adversarial proofs

Choose a proof. Each runs in isolation and cleans up immediately.