{
  "skill_id": "gf-q-category-density",
  "name": "Category Density Research Brief",
  "evaluation": "free",
  "quality": "agent-decision-grade",
  "functional": true,
  "price_usd": 2.99,
  "category": "Research",
  "tier": "standard",
  "kind": "service",
  "tags": [
    "research",
    "service",
    "continuous",
    "x402",
    "quality-factory",
    "decision-grade",
    "functional",
    "sealed-runtime",
    "gf-complete"
  ],
  "summary": "Measure category imbalance and propose gap SKUs with effort ranks.",
  "when_to_use": [
    "You need Category Density Research Brief as a concrete operator pack",
    "Catalog expansion in Research for agent buyers",
    "Preparing ship evidence without inventing revenue claims"
  ],
  "outline": [
    "Define the exact operator outcome for \"Category Density Research Brief\" in one measurable sentence",
    "List required live inputs (URLs, skill ids, wallet roles) specific to Research",
    "Execute the core method for Category Density Research Brief with checkpoints after each major step",
    "Validate outputs against decision criteria and reject incomplete artifacts",
    "Package deliverables (service) with free-outline pointers and x402 pay path links"
  ],
  "capabilities": [
    "Category Density Research Brief workflow",
    "Decision-grade outline and free sample",
    "Named artifact outputs after unlock",
    "x402 Base USDC pay path ready"
  ],
  "artifact_outputs": [
    "gf-q-category-density-primary.md",
    "gf-q-category-density-checklist.json",
    "gf-q-category-density-operator-notes.md"
  ],
  "decision_criteria": [
    "Outline steps are specific to this skill (not generic templates)",
    "Sealed pack exposes createSkill().run with outline-driven steps",
    "Artifacts are named concrete deliverables",
    "No revenue guarantees or banned claims",
    "Free eval path works without payment"
  ],
  "sealed_after_pay": [
    "Full src/index.js runtime (createSkill, run, plan)",
    "src/runbook.js with skill-specific steps",
    "src/tools.js registry for agent ToolRegistry",
    "WORKBOOK.md operator procedure",
    "templates/ checklist and artifact shells",
    "schemas/output.schema.json"
  ],
  "runtime": {
    "entry": "src/index.js",
    "export": "createSkill",
    "install": "node scripts/install-unlocked-pack.mjs unlock.json ./skills"
  },
  "challenge": "https://lvlltd.com/api/pay?skill=gf-q-category-density",
  "sample": "https://lvlltd.com/skills/gf-q-category-density/sample.md",
  "pack_meta": "https://lvlltd.com/api/packs?skill=gf-q-category-density",
  "teaser": "https://lvlltd.com/sealed/gf-q-category-density/",
  "proof": "https://lvlltd.com/api/proof",
  "standards": [
    "x402",
    "ERC-7857"
  ],
  "operator_notes": [
    "Confirm pay path with GET /api/pay before purchasing.",
    "Dry-run createSkill().run({ goal, dry_run: true }) after unlock.",
    "Persist payment.txHash with skill_id for re-redeem.",
    "Never commit private keys or OPS_SECRET into pack usage.",
    "Category focus: Research. Kind: service.",
    "Claim scrub: no guaranteed ROI, no fake testimonials.",
    "If outline 404s on production, redeploy public/skills after completion pass."
  ]
}