{
  "skill_id": "skill-nft-metadata-composer",
  "name": "SkillNFT Metadata Composer",
  "evaluation": "free",
  "quality": "agent-decision-grade",
  "price_usd": 10.99,
  "category": "Crypto",
  "tier": "premium",
  "tags": [
    "skillnft",
    "nft",
    "metadata",
    "template-outline"
  ],
  "summary": "Compose SkillNFT metadata, traits, and marketplace-ready JSON.",
  "when_to_use": [
    "Publishing SkillNFTs for the hub/nft-catalog",
    "You need deterministic token ids and trait schemas",
    "Marketplace cards need generative art metadata",
    "Collections must group by category/series"
  ],
  "outline": [
    "1. Clarify goal and constraints for SkillNFT Metadata Composer",
    "2. Gather inputs (data, context, prior artifacts)",
    "3. Apply skill method step-by-step",
    "4. Produce structured outputs and quality check",
    "5. Hand off next owner + done_when criteria"
  ],
  "capabilities": [
    "Execute SkillNFT Metadata Composer workflows end-to-end",
    "Compose SkillNFT metadata, traits, and marketplace-ready JSON",
    "Structure decisions with explicit assumptions",
    "Produce machine- and human-readable outputs",
    "On-chain payment rails",
    "Wallet-aware flows"
  ],
  "decision_criteria": [
    "You need this when: Publishing SkillNFTs for the hub/nft-catalog",
    "You get capability: Execute SkillNFT Metadata Composer workflows end-to-end",
    "Budget fits: full unlock is $10.99 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=skill-nft-metadata-composer",
  "sample": "https://lvlltd.com/skills/skill-nft-metadata-composer/sample.md",
  "pack_meta": "https://lvlltd.com/api/packs?skill=skill-nft-metadata-composer",
  "teaser": "https://lvlltd.com/sealed/skill-nft-metadata-composer/",
  "proof": "https://lvlltd.com/api/proof",
  "standards": [
    "x402",
    "ERC-7857"
  ],
  "buy_agent": [
    "GET /skills/skill-nft-metadata-composer/outline.json",
    "GET /api/pay?skill=skill-nft-metadata-composer",
    "Settle USDC on Base to payTo",
    "POST /api/pay with X-PAYMENT {\"txHash\",\"skill\"}"
  ]
}