{"id":526147,"name":"Digital Gemology cut library","description":"Finds gem cuts and their 3D models (STEP, 3DM, STL, OBJ, FBX, GLB) and GemCad faceting diagrams, with measured brilliance, fire and scintillation in seven gemstones, prices and checkout links. A deterministic catalog agent over the site's own data, not a language model: send plain text, or a data part {\"skill\": \"<skill id>\", \"arguments\": {...}} with the arguments of the matching MCP tool. 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For questions like 'oval or pear for my sapphire?'.","outputModes":["text/markdown","application/json"]},{"id":"recommend_cut","name":"Recommend a cut","tags":["gemstones","gem cuts","3D models","faceting diagrams"],"examples":["{\"skill\": \"recommend_cut\", \"arguments\": {\"gemstone\": \"moissanite\", \"priority\": \"fire\"}}"],"inputModes":["text/plain","application/json"],"description":"The best cuts in one gemstone for what matters to the buyer: overall light performance, brilliance, fire, scintillation (sparkle), spread (looks bigger for its weight), tilt (stays bright when tilted) or leakage (least light lost). Filter by family or outline. 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