{
  "skill_id": "oracle-price",
  "name": "Price Oracle",
  "evaluation": "free",
  "quality": "agent-decision-grade",
  "price_usd": 0.01,
  "category": "Oracle",
  "tier": "foundation",
  "protocol": "SCO",
  "esp_skill": true,
  "tags": ["oracle", "sco", "price", "usdc", "sealed", "challengeable", "depth:deep"],
  "summary": "Sealed Consensus Oracle for reference price quotes (USDC/USD, DOGE, ETH). Free-eval; dual providers; consensus + challenge on public ledger.",
  "when_to_use": [
    "Need sealed mid/bid/ask before pricing settlement",
    "Cross-check dual providers before large payment",
    "Agent refuses unchallengeable price feeds"
  ],
  "outline": [
    "GET /api/sco?op=eval&oracle=oracle-price (free)",
    "POST canary with providers a+b",
    "POST consensus on sealed cids",
    "Challenge outliers with stake",
    "Read ledger-derived reputation"
  ],
  "capabilities": [
    "Free mid sample without payment",
    "Parallel canary dual providers",
    "Weighted median consensus",
    "Economic challenge layer"
  ],
  "decision_criteria": [
    "Prefer consensus agreement_score ≥ 0.66",
    "Avoid providers with low economic_weight",
    "Never treat free sample as settlement-grade alone"
  ],
  "free_eval": "https://lvlltd.com/api/sco?op=eval&oracle=oracle-price",
  "esp": "https://lvlltd.com/api/esp?skill=oracle-price",
  "canary_price_usd": 0.01,
  "challenge_stake_usd": 0.01,
  "providers": ["lvl-foundation-a", "lvl-foundation-b"],
  "query_examples": [{ "pair": "USDC/USD" }, { "pair": "DOGE/USD" }],
  "schemas": {
    "oracle_pack": "https://lvlltd.com/schemas/sco-oracle-pack.v1.schema.json"
  },
  "invariants": {
    "free_eval_always": true,
    "reputation_ledger_only": true,
    "every_result_challengeable": true
  }
}