{
  "skill_id": "oracle-time-freshness",
  "name": "Time & Freshness Oracle",
  "evaluation": "free",
  "quality": "agent-decision-grade",
  "price_usd": 0.05,
  "category": "Oracle",
  "tier": "starter",
  "tags": [
    "oracle",
    "time",
    "freshness",
    "x402",
    "esp",
    "p0",
    "kind:oracle",
    "depth:outline_only",
    "demoted-default"
  ],
  "summary": "Verifiable timestamps and data-age proofs. Agents use this to bound trust in other oracle results.",
  "when_to_use": [
    "Bound trust window",
    "Reject stale data",
    "Multi-agent deadlines"
  ],
  "outline": [
    "Free now sample",
    "Settle for block cross-check",
    "Seal time attestation"
  ],
  "capabilities": [
    "UTC + Base block cross-check",
    "Data-age proofs",
    "Max-age policy evaluation"
  ],
  "decision_criteria": [
    "You need this when: Bound trust window",
    "You get capability: UTC + Base block cross-check",
    "Budget fits: full unlock is $0.05 USDC on Base",
    "You can automate unlock via HTTP 402 without a browser",
    "You only need teaser/outline first — sealed src/ops stay locked until payment"
  ],
  "sealed_after_pay": [
    "SKILL.md (teaser public)",
    "agent-install.json (public meta)",
    "src/index.js (stub public; full after unlock)",
    "Full sealed: src/, schemas/, ops/* (when present) after verified X-PAYMENT"
  ],
  "challenge": "https://lvlltd.com/api/pay?skill=oracle-time-freshness",
  "sample": "https://lvlltd.com/skills/oracle-time-freshness/sample.md",
  "pack_meta": "https://lvlltd.com/api/packs?skill=oracle-time-freshness",
  "teaser": "https://lvlltd.com/sealed/oracle-time-freshness/",
  "proof": "https://lvlltd.com/api/proof",
  "standards": [
    "x402",
    "ERC-7857"
  ],
  "buy_agent": [
    "GET /skills/oracle-time-freshness/outline.json",
    "GET /api/pay?skill=oracle-time-freshness",
    "Settle USDC on Base to payTo",
    "POST /api/pay with X-PAYMENT {\"txHash\",\"skill\"}"
  ]
}