Interactive lab
Learn each spec by running it
Every lesson opens on the problem the usual way creates, then walks the spec that fixes it, one step at a time. You set the pace, you can break it, and the cryptography is real. Nothing leaves your browser.
DID-OPENA2A1 of 5 in the family
Look up an agent the way a browser looks up a site
A structured name resolves to a signed document carrying the key that verifies everything else.
run the lesson →AIP2 of 5 in the family
Score an agent's trust, do not just check a box
Build a trust score from nine weighted factors, starting with a real proof that the agent holds its key.
run the lesson →ATX3 of 5 in the family
Verify a credential with nobody on the line
Watch the network monitor while a credential is verified. It stays empty: every check is local.
run the lesson →ATP4 of 5 in the family
Make trust auditable, so it cannot change in secret
Trust events go into an append-only Merkle log. Anyone can audit it, and editing a past entry breaks the root.
run the lesson →AAP5 of 5 in the family
Use a credential the agent never sees
Watch the agent's context window while it reads a database. The secret never lands inside it.
run the lesson →