{"ok":true,"host":"underground.substratesymposium.com","skill_count":1,"skills":[{"skill_name":"fetch-underground-catalog","display_name":"Underground Catalog","one_liner":"Returns the full Underground Substrate Symposium buy catalog, including all districts, shops, pricing models, product counts, and neighbor navigation links.","when_to_use":"Use when an agent needs to discover available shops, districts, pricing models, or product index URLs within the Underground Substrate Symposium marketplace before navigating to individual shop endpoints.","not_for":"Do not use to fetch individual shop products or product details; use the per-shop product_index_url endpoints instead.","confidence":"high","price":null,"network":"eip155:8453","method":"GET","resource_url":"https://underground.substratesymposium.com/buy/catalog","version":1,"merchant_approved":false,"verification_status":"pass","quality_score":86,"last_verified_at":"2026-06-03T19:43:03.680Z","skill_url":"https://x402gle.com/servers/underground.substratesymposium.com/fetch-underground-catalog/json"}],"manifest_url":"https://x402gle.com/servers/underground.substratesymposium.com/manifest.json","skill_md_url":"https://x402gle.com/servers/underground.substratesymposium.com/SKILL.md","agent_card_url":"https://x402gle.com/servers/underground.substratesymposium.com/.well-known/agent.json"}