{"service":"GroundTruth Tariff API","version":"1.0.0","endpoints":{"health":"GET /health","account":"GET /v1/account","try_api":"GET /try (free, no key)","try_playground":"GET /try (HTML playground)","mcp":"POST /mcp","categories":"GET /v1/categories","admin_issue":"POST /v1/admin/issue","sync":"GET /sync","server_card":"GET /.well-known/mcp/server-card.json","openapi":"GET /openapi.json","llms_txt":"GET /.well-known/llms.txt","ai_plugin":"GET /.well-known/ai-plugin.json"},"tools":["list_tariff_categories","compute_tariff"],"as_of":"2026-10-01"}