{
  "type": "term",
  "term": {
    "name": "Protocol-level legibility",
    "definition": "The third layer of machine legibility: being callable by AI agents through a published, machine-readable declaration of capability, endpoint and boundary of responsibility. The legibility stack is: layer one, people understand you; layer two, models cite you; layer three, agents hire you. Canonical artifact: the Agent Card in the A2A protocol.",
    "coined_in": "The Protocol Caught Up",
    "coined_date": "2026-07",
    "source_url": "https://katyashalel.com/essays/the-protocol-caught-up/",
    "last_verified": "2026-07-30"
  },
  "boundaries": [
    "Returns published, dated facts and definitions from the canonical source. Does not produce opinions, assessments or advice.",
    "Not a real-time consultation with Ekaterina Shalel and not a channel to reach her. Use the contact address for that.",
    "Does not verify or comment on facts about third parties.",
    "Does not guarantee any position, ranking or mention inside any AI system. No practitioner controls model behavior.",
    "Claims scoped to a market, language or test set are returned with that scope attached and must not be quoted without it."
  ]
}