{"openapi":"3.0.3","info":{"title":"Gnist Context — Calories Burned","description":"Calculate caloric expenditure by activity, duration, and body weight using MET values.\n\n- **MCP endpoint:** `https://context.gnist.ai/mcp/calories-burned/`\n- **Toolkit page:** `/toolkits/calories-burned`\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/calories-burned/calculate_calories_burned":{"post":{"tags":["Health"],"summary":"calculate_calories_burned","description":"Calculate calories burned for a physical activity.\n\nUses MET (Metabolic Equivalent of Task) values from the Compendium of Physical Activities.\nFormula: calories = MET * 3.5 * weight_kg / 200 * duration_minutes.","operationId":"calories_burned_calculate_calories_burned","responses":{"200":{"description":"Successful tool 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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":"calories_burned_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: 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