{"service":"GroundTruth Tariff API","version":"1.0.0","endpoints":{"health":"GET /health","account":"GET /v1/account","mcp":"POST /mcp","admin_issue":"POST /v1/admin/issue","sync":"GET /sync","server_card":"GET /.well-known/mcp/server-card.json"},"tools":["list_tariff_categories","compute_tariff"],"as_of":"2026-09-28"}