{
  "skill_id": "referral-loop-architect",
  "name": "Referral Loop Architect",
  "evaluation": "free",
  "quality": "agent-decision-grade",
  "price_usd": 2.99,
  "category": "Growth",
  "tier": "starter",
  "tags": [
    "referral",
    "viral",
    "fraud",
    "depth:outline_only",
    "demoted-default"
  ],
  "summary": "Honest invite incentives, fraud checks, and k-factor measurement.",
  "when_to_use": [
    "You want referrals for skill unlocks or Tesla Trek",
    "Invite incentives are unclear or abusable",
    "You need anti-spam limits for agent-driven invites",
    "Leadership asks for a simple k-factor estimate"
  ],
  "outline": [
    "Define qualified referral actions and double-sided rewards ethically",
    "Set anti-spam invite limits and fraud velocity rules",
    "Design in-product invite surfaces after first win only",
    "Instrument invite→accept→paid attribution schema",
    "Emit referral loop canvas + k-factor estimator worksheet"
  ],
  "capabilities": [
    "qualified referral actions and double-sided rewards ethically",
    "anti-spam invite limits and fraud velocity rules",
    "in-product invite surfaces after first win only",
    "invite→accept→paid attribution schema"
  ],
  "decision_criteria": [
    "You need this when: You want referrals for skill unlocks or Tesla Trek",
    "You get capability: qualified referral actions and double-sided rewards ethically",
    "Budget fits: full unlock is $2.99 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=referral-loop-architect",
  "sample": "https://lvlltd.com/skills/referral-loop-architect/sample.md",
  "pack_meta": "https://lvlltd.com/api/packs?skill=referral-loop-architect",
  "teaser": "https://lvlltd.com/sealed/referral-loop-architect/",
  "proof": "https://lvlltd.com/api/proof",
  "standards": [
    "x402",
    "ERC-7857"
  ],
  "buy_agent": [
    "GET /skills/referral-loop-architect/outline.json",
    "GET /api/pay?skill=referral-loop-architect",
    "Settle USDC on Base to payTo",
    "POST /api/pay with X-PAYMENT {\"txHash\",\"skill\"}"
  ]
}