{"name": "AltSpider", "description": "One paid tool. check takes one catalog route and returns a pay-or-skip: Base or Sepolia, whether it answered, and whether a free sibling already returns the bytes. One cent of USDC on Base.", "url": "https://altspider.ai/mcp", "version": "0.1.0", "capabilities": {"streaming": false, "pushNotifications": false}, "defaultInputModes": ["application/json"], "defaultOutputModes": ["application/json"], "skills": [{"id": "check", "name": "check", "description": "Pay or skip on one catalog 402. One cent of USDC on Base. Pass the route URL. Returns Base or Sepolia, whether it answered, and whether a free sibling already returns the bytes.", "tags": ["x402", "check", "catalog"], "examples": ["check https://altspider.ai/api/sample"]}]}