Agent capabilities
Read from the browser's own tool registry. A withdrawn capability is not disabled, it stops existing.
The agent is asking permission
What you permit
One claim, one tool. It answers a comparison and returns nothing else.
Restricted products
A gate stays unresolved until the claim answering it is permitted. Nothing is inferred from data the agent has not been allowed to test.
Disclosure log
Append-only. Records which comparison was made, never the value it was made against.
Your details
Synthetic data, held in this browser only. No tool returns any field from it. Change anything and the product verdicts follow.
Environment
WebMCP needs an origin-isolated, secure document. If
originAgentCluster is false, no tool can be registered.