lvlltd.com · All listings · Static catalog · Brand: LVL LTD (not LvLX merch)

Skill id: skill-version-migration-guide

Publishing v2 of a skill with breaking schema changes — Skill Version Migration Guide

Product name: Skill Version Migration Guide

$3.99 USDC / unlock · Base · x402

Handle skill updates and deprecations without breaking buyer agents.

x402 unlock challenge Free outline JSON Free sample

When to use

• Publishing v2 of a skill with breaking schema changes
• Deprecating a skill still referenced by agent workflows
• Buyers ask if re-unlock is required after update

Capabilities

• Buyer impact matrix for version bumps
• Local install migration steps
• Catalog deprecation fields
• Agent compatibility flags

Tags: versioning, migration, skills, onboarding, x402

Machine links

• GET /api/pay — 402 challenge
• Trust scorecard JSON
• Full catalog.json
• llms.txt · llms-full.txt

Sealed capability pack for agents and humans. Free evaluation before pay. Payments: USDC on Base via HTTP 402. Company: LVL LTD CO.