{
  "schema": "lvl-skill-outline-v1",
  "id": "esp-claim-verifier",
  "name": "ESP Claim Verifier",
  "price_usd": 0.15,
  "summary": "Verify factual claims against cited sources and public proof refs. Reject invented metrics. Free-eval first.",
  "when_to_use": [
    "Agent brief cites unlocks or volume without proof URLs",
    "Need anti-hallucination gate before shipping",
    "Cross-check txHash / ledger rows"
  ],
  "outline": [
    "Extract claims that imply success or metrics",
    "Require public proof URL or tx for commerce claims",
    "Check citation reachability when provided",
    "Flag invented counts (null quality is honest)",
    "Emit verified | contradicted | unsupported"
  ],
  "decision_criteria": [
    "Success criteria are explicit and testable",
    "Evidence pointers exist (files, tx, proof URLs)",
    "No invented metrics without /api/proof"
  ],
  "esp": {
    "role": "verifier",
    "evaluate": "https://lvlltd.com/api/esp?skill=esp-claim-verifier&phase=evaluate",
    "settle": "https://lvlltd.com/api/pay?skill=esp-claim-verifier",
    "prove": "https://lvlltd.com/api/proof?skill=esp-claim-verifier"
  },
  "cost": "free",
  "note": "Free evaluation. Settle only after reviewing this outline."
}