{
  "skill_id": "gf-grow-proof-strip-builder",
  "name": "Proof-Strip Builder for Skill Pages",
  "evaluation": "free",
  "quality": "agent-decision-grade",
  "functional": true,
  "price_usd": 2.99,
  "category": "Launch",
  "tier": "standard",
  "kind": "good",
  "tags": [
    "x402",
    "goods-factory",
    "good",
    "functional",
    "sealed-runtime",
    "gf-complete"
  ],
  "summary": "Build honest on-page proof strips: free outline, sample, x402 challenge, network, and public proof endpoint—without fake social proof or revenue claims.",
  "when_to_use": [
    "Skill pages lack a clear free-vs-paid proof strip above the fold",
    "Need consistent proof components across a batch of new goods-factory SKUs",
    "Replacing vanity testimonials with verifiable pay-path and outline links"
  ],
  "outline": [
    "Define strip fields in order: skill id, free outline URL, sample URL, price_label, network/asset, challenge URL, public proof URL",
    "Write empty-state copy for zero unlocks that still looks trustworthy (no fake counters)",
    "Specify agent-readable attributes or JSON-LD-ish notes so buyers can parse the strip",
    "Add a “last verified” timestamp field operators refresh after deploy smoke tests",
    "Produce embed snippets (markdown + minimal HTML) and a QA script checklist for broken links"
  ],
  "capabilities": [
    "Ordered proof-strip field schema",
    "Honest zero-unlock empty states",
    "Markdown/HTML embed snippets",
    "Post-deploy link verification checklist"
  ],
  "artifact_outputs": [
    "proof-strip-schema.json",
    "proof-strip-embeds.md",
    "proof-strip-qa-checklist.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-grow-proof-strip-builder",
  "sample": "https://lvlltd.com/skills/gf-grow-proof-strip-builder/sample.md",
  "pack_meta": "https://lvlltd.com/api/packs?skill=gf-grow-proof-strip-builder",
  "teaser": "https://lvlltd.com/sealed/gf-grow-proof-strip-builder/",
  "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: Launch. Kind: good.",
    "Claim scrub: no guaranteed ROI, no fake testimonials.",
    "If outline 404s on production, redeploy public/skills after completion pass."
  ]
}