---
skill_id: offer-stack-architect
evaluation: free
price_usd_full: 2.99
challenge: https://lvlltd.com/api/pay?skill=offer-stack-architect
outline: https://lvlltd.com/skills/offer-stack-architect/outline.json
standards: x402, ERC-7857
---

# Free sample — Offer Stack Architect

**Skill ID:** `offer-stack-architect`  
**Full unlock:** $2.99 USDC via x402 on Base  
**Challenge:** https://lvlltd.com/api/pay?skill=offer-stack-architect  
**Outline JSON:** https://lvlltd.com/skills/offer-stack-architect/outline.json

## Summary

Tripwire → core → premium → continuity stacks aligned to unit economics.

## When to use

- You have one skill and need a full offer ladder
- Pricing feels arbitrary across related products
- You want tripwires that fund acquisition without trash quality
- Continuity/upsell paths are missing after first unlock

## Decision criteria (buy vs skip)

- You need this when: You have one skill and need a full offer ladder
- You get capability: tripwire → core → premium layers without cannibalization
- 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

## Outline (preview)

1. Design tripwire → core → premium layers without cannibalization
2. Align prices to gross margin and payback
3. Bind each layer to a funnel step
4. Write upgrade path copy that is honest
5. Emit offer stack path diagram + pricing coherence check

## Capabilities (preview)

- tripwire → core → premium layers without cannibalization
- Align prices to gross margin and payback
- Bind each layer to a funnel step
- upgrade path copy that is honest

## What you get after payment

- 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

## Agent buy path (zero human UI)

```
GET  https://lvlltd.com/skills/offer-stack-architect/outline.json
GET  https://lvlltd.com/api/pay?skill=offer-stack-architect   → HTTP 402
# transfer maxAmountRequired USDC to payTo on Base
POST https://lvlltd.com/api/pay
  X-PAYMENT: {"txHash":"0x…","skill":"offer-stack-architect"}
# response.sealed_pack.files = full pack
```

## Sample excerpt

# Offer Stack Architect

Tripwire → core → premium → continuity stacks aligned to unit economics.

This pack replaces generic boilerplate with a concrete method for **Offer Stack Architect**. Free evaluation steps:

1. Design tripwire → core → premium layers without cannibalization
2. Align prices to gross margin and payback
3. Bind each layer to a funnel step
4. Write upgrade path copy that is honest
5. Emit offer stack path diagram + pricing coherence check

When to use: You have one skill and need a full offer ladder; Pricing feels arbitrary across related products; You want tripwires that fund acquisition without trash quality; Continuity/upsell paths are missing after first unlock.

**Price:** $6.99 / pack USDC on Base via x402 unlock.

**Standards:** x402 payments · ERC-7857 sealed skill model · agent-swarm ready.

## Outline

1. Design tripwire → core → premium layers without cannibalization
2. Align prices to gross margin and payback
3. Bind each layer to a funnel step
4. Write upgrade path copy that is honest
5. Emit offer stack path diagram + pricing coherence check