{"tool":"uscc-check","title":"USCC check (China)","description":"Validate Chinese Unified Social Credit Code (GB 32100-2015 ISO 7064 Mod-31-3).","method":"POST","call":"/v1/tools/uscc-check/call","input_schema":{"type":"object","required":["uscc"],"properties":{"uscc":{"type":"string","description":"18-character Chinese USCC code."}}},"output_schema":{"type":"object","properties":{"tool":{"type":"string"},"valid":{"type":"boolean"},"normalized":{"type":"string"},"country":{"type":"string"},"reason":{"type":"string"},"scope":{"type":"string"}},"required":["valid","reason"]},"price_usdc_floor":0.000999,"price_note":"dynamic-dutch: live quote via GET /health or the 402 challenge on POST without payment","example_request":{"input":{"uscc":"91310000775785552W"}},"docs":"https://rail.akrivis.in/openapi.json","mcp":"https://rail.akrivis.in/mcp"}