FITINY jewellery tools: density-corrected carat/mm, GIA grades, ISO 8653 ring sizes
| Endpoint | https://mcp.fitiny.com/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 6 tools · grade A (95) · pin ts_82780e4e7a1cf711afcd5726476d5833 · protocol 2024-11-05 |
| First / last listed | 2026-10-26 00:22 UTC / 2026-10-26 00:22 UTC |
| Grade over time | 2026-10-26: A (95), 6 tools |
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Tools: carat_to_mm mm_to_carat grading_scale ring_size_convert necklace_length stud_appearance
carat_to_mm | Diameter in millimetres for a given carat weight. Round brilliant cut. Density-corrected per stone - a diamond chart is wrong for moissanite by ~9%. params: carat*, stone |
mm_to_carat | Carat weight for a given diameter in millimetres. Round brilliant cut. params: mm*, stone |
grading_scale | GIA colour (D-K) or clarity (FL-SI) scale as used for moissanite, or published optical constants for moissanite / diamond / cubic zirconia. params: scale*, grade |
ring_size_convert | Convert a ring size between US, UK, EU (ISO 8653) and inner diameter in mm. A US 6 is a UK M, not a UK 6. params: value*, from |
necklace_length | Where a necklace of a given length sits, with the trade name (choker, princess, matinee...). params: value*, unit |
stud_appearance | How a round stud of a given stone diameter reads on the ear. params: diameter_mm* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.