{"name":"fear_greed_index","description":"Crypto Fear & Greed Index (0=extreme fear, 100=extreme greed) with optional history","endpoint":"https://gateway-production-2cc2.up.railway.app/tools/fear_greed_index","price_usdc":"0.001","developer_address":"GB7THTEVT2T7CZQ5TFUOIQSI32XCJ7BHWS35OBTAI2V4FNL7BXZZ2GM2","parameters":{"type":"object","properties":{"limit":{"type":"integer","default":1,"description":"Number of days of history to return (default 1, max 30)"}}},"category":"data","uptime_pct":100,"total_calls":0,"active":true,"triggers":["fear","greed","sentiment","market mood","investor sentiment","bullish","bearish","panic","fomo"],"use_when":"You need to gauge overall crypto market sentiment or mood — whether the market is fearful or greedy.","returns":"value (0–100), value_classification (e.g. 'Greed'), optional history[]","response_example":{"value":10,"value_classification":"Extreme Fear","timestamp":1774137600,"source":"alternative.me"}}