openapi: 3.2.0 info: title: LVL LTD Agent Skill Market Catalog.json API version: 1.6.0 description: 'ESP (Evaluate→Settle→Prove) + x402 skill marketplace. Free eval always before settlement. Success only via /api/proof. Source: catalog.json.' contact: name: LVL LTD CO url: https://lvlltd.com servers: - url: https://lvlltd.com tags: - name: Catalog.json paths: /catalog.json: get: summary: Full skill catalog (source of truth) description: All 250 public skills with protocol surfaces responses: '200': description: Catalog tags: - Catalog.json operationId: getCatalogJson x-operation-id-source: derived x-lvl-skill-count: 250 x-lvl-source-of-truth: catalog.json