MCP server

Moissanite Tools

com.fitiny/moissanite-tools

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

FITINY jewellery tools: density-corrected carat/mm, GIA grades, ISO 8653 ring sizes

Website Source

At a glance

Type

MCP server

Publisher

fitiny.com (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 572 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http moissanite-tools https://mcp.fitiny.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.moissanite-tools]
url = "https://mcp.fitiny.com/mcp"

Gemini CLI

{"mcpServers":{"moissanite-tools":{"httpUrl":"https://mcp.fitiny.com/mcp"}}}

Cursor

{"mcpServers":{"moissanite-tools":{"url":"https://mcp.fitiny.com/mcp"}}}

VS Code

{"servers":{"moissanite-tools":{"type":"http","url":"https://mcp.fitiny.com/mcp"}}}

Antigravity

agy mcp add moissanite-tools https://mcp.fitiny.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"moissanite-tools","server_url":"https://mcp.fitiny.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"moissanite-tools","server_url":"https://mcp.fitiny.com/mcp"}

Tools

• carat_to_mm ~117 tokens
  Diameter in millimetres for a given carat weight. Round brilliant cut. Density-corrected per stone - a diamond chart is wrong for moissanite by ~9%.
• grading_scale ~115 tokens
  GIA colour (D-K) or clarity (FL-SI) scale as used for moissanite, or published optical constants for moissanite / diamond / cubic zirconia.
• mm_to_carat ~93 tokens
  Carat weight for a given diameter in millimetres. Round brilliant cut.
• necklace_length ~85 tokens
  Where a necklace of a given length sits, with the trade name (choker, princess, matinee...).
• ring_size_convert ~102 tokens
  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.
• stud_appearance ~60 tokens
  How a round stud of a given stone diameter reads on the ear.

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Badge for your README

[![AptLynx](https://aptlynx.net/badge/com.fitiny/moissanite-tools.svg)](https://aptlynx.net/servers/com.fitiny/moissanite-tools)

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