{"openapi":"3.0.3","info":{"title":"Gnist Context — Nutrition Data","description":"Nutritional information for foods — calories, macros, vitamins. Search by name or barcode.\n\n- **MCP endpoint:** `https://context.gnist.ai/mcp/nutrition/`\n- **Toolkit page:** `/toolkits/nutrition`\n- **Full API spec:** `/api/openapi.json`\n- **Get an API key:** `/signup`","version":"1.0.0","contact":{"name":"GnistAI","url":"https://gnist.ai"}},"servers":[{"url":"https://context.gnist.ai","description":"Production"}],"paths":{"/rest/nutrition/search_foods":{"post":{"tags":["Health"],"summary":"search_foods","description":"Search food products by name, brand, or description and get nutritional information.\n\nArgs:\n    query: Search terms for food products (e.g. \"granola\", \"orange juice\", \"Nutella\").\n    limit: Number of results to return (1–50, default 10).\n\nReturns:\n    Dictionary with 'count' and 'products' list. Each product has name, barcode, brands,\n    categories, image_url, nutriscore_grade, and nutrients (per 100g: energy_kcal, fat,\n    saturated_fat, carbohydrates, sugars, fiber, proteins, salt, sodium).","operationId":"nutrition_search_foods","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"query":{"description":"Search terms for food products (e.g. \"granola\", \"orange juice\", \"Nutella\"). Searches product names, brands, and categories.","type":"string"},"limit":{"default":10,"description":"Number of results to return (1–50, default 10).","maximum":50,"minimum":1,"type":"integer"}},"required":["query"],"type":"object"}}}}}},"/rest/nutrition/get_product":{"post":{"tags":["Health"],"summary":"get_product","description":"Look up a specific food product by its barcode and get full nutritional details.\n\nArgs:\n    barcode: Product barcode (EAN/UPC, e.g. \"3017620422003\" for Nutella).\n\nReturns:\n    Product record with name, barcode, brands, categories, image_url,\n    nutriscore_grade, and nutrients (per 100g).","operationId":"nutrition_get_product","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"barcode":{"description":"Product barcode (EAN/UPC, e.g. \"3017620422003\" for Nutella, \"5449000000996\" for Coca-Cola).","type":"string"}},"required":["barcode"],"type":"object"}}}}}},"/rest/nutrition/report_feedback":{"post":{"tags":["Health"],"summary":"report_feedback","description":"Report a bug, feature request, or general feedback for this data source.\n\nUse this when something doesn't work as expected, when you'd like\na new feature, or when you have suggestions for improvement.\n\nArgs:\n    feedback: Describe the issue or suggestion.\n    feedback_type: One of 'bug', 'feature_request', or 'general'.","operationId":"nutrition_report_feedback","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"feedback":{"type":"string"},"feedback_type":{"default":"general","type":"string"}},"required":["feedback"],"type":"object"}}}}}}},"tags":[{"name":"Health","description":"Data sources: Health"}],"components":{"securitySchemes":{"ApiKeyHeader":{"type":"apiKey","in":"header","name":"gnist-api-key","description":"API key passed via request header."},"ApiKeyQuery":{"type":"apiKey","in":"query","name":"gnist_api_key","description":"API key passed via query parameter."}}}}