{"schema_version":"1.0","name":"margins-mcp","display_name":"MARGINS — fairness oracle for Indian commerce","description":"Returns fair-price bands for Indian products by GTIN. Backed by GS1 India, Agmarknet, ONDC Beckn live quotes, and Gemini reasoning.","endpoint":"/api/mcp","transport":"http","tools":[{"name":"fair_price_band","description":"Compute a fair-price band for an Indian product by GTIN, city, and quantity.","input_schema":{"type":"object","properties":{"gtin":{"type":"string"},"city":{"type":"string"},"quantity":{"type":"number","default":1}},"required":["gtin","city"]}},{"name":"place_beckn_order","description":"Place an order through the ONDC Beckn network at the cheapest fair price.","input_schema":{"type":"object","properties":{"gtin":{"type":"string"},"city":{"type":"string"},"acceptPrice":{"type":"number"}},"required":["gtin","city"]}},{"name":"query_margins_ledger","description":"Query a merchant's margins ledger for past transactions.","input_schema":{"type":"object","properties":{"merchantId":{"type":"string"},"limit":{"type":"number","default":10}},"required":["merchantId"]}}],"authentication":"none (free tier)","rate_limits":"fair use — Gemini API free tier","contact":"hackathon entry — see README"}