Ministry of Gems — Gemmology & Gemstones

au.com.ministryofgems/gemmologyVersion 2.0.1

Gemology & gemmology: 215 FGAA terms, 25 handbooks, live gem stock, signed passport verification.

Status

Responds174 msNov 14, 2026, 13:40 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:40 UTC
Latency: 174 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

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Connect

Streamable HTTP

https://mog-concierge.33guruge.workers.dev/mcpResponds174 msNov 14, 2026, 13:40 UTC

No sign-in

Claude Code

claude mcp add --transport http gemmology https://mog-concierge.33guruge.workers.dev/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: gemmology
Remote MCP server URL: https://mog-concierge.33guruge.workers.dev/mcp

Cursor

{
  "mcpServers": {
    "gemmology": {
      "url": "https://mog-concierge.33guruge.workers.dev/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"gemmology","type":"http","url":"https://mog-concierge.33guruge.workers.dev/mcp"}'

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Tools

13 tools

Tools of Ministry of Gems — Gemmology & Gemstones
	Description		Read-only	Idempotent	Open world
`birthstone_for_month`The modern and traditional birthstones for a month, from the FGAA-reviewed table, with a link to The Birthstone Handbook for history, treatments to expect and buying guidance. Accepts a month name or number.	The modern and traditional birthstones for a month, from the FGAA-reviewed table, with a link to The Birthstone Handbook for history, treatments to expect and buying guidance. Accepts a month name or number.	No	Yes	Yes	No
`compare_gems`Side-by-side physical properties of two gem species with a plain verdict on which is harder, and a note on toughness — the half of durability the hardness scale does not show. Good for "sapphire or diamond for an everyday ring".	Side-by-side physical properties of two gem species with a plain verdict on which is harder, and a note on toughness — the half of durability the hardness scale does not show. Good for "sapphire or diamond for an everyday ring".	No	Yes	Yes	No
`define_gem_term`Look up a gemmological term in The Gem Lexicon of Ministry of Gems — 215 definitions verified by an FGAA-qualified gemmologist. Returns the definition, its subject section, and a citable anchor URL. Use for terms such as padparadscha, corundum, parti sapphire, unheated, or asterism.	Look up a gemmological term in The Gem Lexicon of Ministry of Gems — 215 definitions verified by an FGAA-qualified gemmologist. Returns the definition, its subject section, and a citable anchor URL. Use for terms such as padparadscha, corundum, parti sapphire, unheated, or asterism.	No	Yes	Yes	No
`faceup_size_estimate`Approximate face-up millimetre dimensions for a stone of a given species, shape and carat weight — and, unlike diamond-only calculators, corrected for specific gravity, so a 2 ct sapphire, spinel, emerald or opal is sized correctly rather than as if it were diamond. Shapes: round, oval, cushion, emerald, pear, marquise, princess, radiant, heart, trillion.	Approximate face-up millimetre dimensions for a stone of a given species, shape and carat weight — and, unlike diamond-only calculators, corrected for specific gravity, so a 2 ct sapphire, spinel, emerald or opal is sized correctly rather than as if it were diamond. Shapes: round, oval, cushion, emerald, pear, marquise, princess, radiant, heart, trillion.	No	Yes	Yes	No
`gem_care_guide`Whether warm soapy water, an ultrasonic cleaner or a steam cleaner is safe for a given gemstone, plus everyday-wear notes, from the FGAA-reviewed care table. Covers sapphire and ruby, diamond, emerald, opal, pearl, tanzanite, tourmaline and more.	Whether warm soapy water, an ultrasonic cleaner or a steam cleaner is safe for a given gemstone, plus everyday-wear notes, from the FGAA-reviewed care table. Covers sapphire and ruby, diamond, emerald, opal, pearl, tanzanite, tourmaline and more.	No	Yes	Yes	No
`gem_properties`Mohs hardness, refractive index, specific gravity, birefringence and crystal system for a gem species (diamond, corundum/sapphire/ruby, emerald, spinel, opal, tourmaline, garnet, quartz and more), from the FGAA-reviewed Gem Data Tables. Accepts trade names — "sapphire" resolves to corundum, "tsavorite" to garnet.	Mohs hardness, refractive index, specific gravity, birefringence and crystal system for a gem species (diamond, corundum/sapphire/ruby, emerald, spinel, opal, tourmaline, garnet, quartz and more), from the FGAA-reviewed Gem Data Tables. Accepts trade names — "sapphire" resolves to corundum, "tsavorite" to garnet.	No	Yes	Yes	No
`get_gem_product`Full detail for one Ministry of Gems product by handle or URL: specifications, description, price in AUD, availability, variants, images, the Digital Gemstone Passport link for loose stones, and a direct checkout link. Use after search_gem_inventory.	Full detail for one Ministry of Gems product by handle or URL: specifications, description, price in AUD, availability, variants, images, the Digital Gemstone Passport link for loose stones, and a direct checkout link. Use after search_gem_inventory.	No	Yes	Yes	No
`lab_report_check`The issuing laboratory's own verification page and a four-step checklist for confirming a gemstone or diamond grading report — GIA, IGI, GRS, SSEF, Gübelin, AGL, Lotus, GIT, HRD, GCAL and others, including the coloured-stone laboratories diamond tools omit. Explains what "FGAA" means and flags unrecognised lab names. Routes to the lab; does not verify the report itself.	The issuing laboratory's own verification page and a four-step checklist for confirming a gemstone or diamond grading report — GIA, IGI, GRS, SSEF, Gübelin, AGL, Lotus, GIT, HRD, GCAL and others, including the coloured-stone laboratories diamond tools omit. Explains what "FGAA" means and flags unrecognised lab names. Routes to the lab; does not verify the report itself.	No	Yes	Yes	No
`list_gem_terms`List the gemmological terms available in The Gem Lexicon, optionally filtered to one subject section. Use this to discover what can be defined before calling define_gem_term.	List the gemmological terms available in The Gem Lexicon, optionally filtered to one subject section. Use this to discover what can be defined before calling define_gem_term.	No	Yes	Yes	No
`sapphire_price_guide`What natural sapphires actually cost per carat in Australian dollars, from Ministry of Gems' published price guide: bands by origin (Australian, Ceylon) and size, with the stone count behind each band and the date the bands were computed. Answers "how much is a 2 carat sapphire" honestly, as a house guide rather than a market index.	What natural sapphires actually cost per carat in Australian dollars, from Ministry of Gems' published price guide: bands by origin (Australian, Ceylon) and size, with the stone count behind each band and the date the bands were computed. Answers "how much is a 2 carat sapphire" honestly, as a house guide rather than a market index.	No	Yes	Yes	No
`search_gem_inventory`Search the live Ministry of Gems catalogue of natural loose gemstones and finished jewellery — Ceylon and Australian sapphires, rubies, spinels, Australian opals, emeralds and more — with prices in Australian dollars, availability, carat weight and a link to buy. Filter by type (gems, ring, pendant, earrings), carat range and price range. Every loose gem returned carries a verifiable Digital Gemstone Passport.	Search the live Ministry of Gems catalogue of natural loose gemstones and finished jewellery — Ceylon and Australian sapphires, rubies, spinels, Australian opals, emeralds and more — with prices in Australian dollars, availability, carat weight and a link to buy. Filter by type (gems, ring, pendant, earrings), carat range and price range. Every loose gem returned carries a verifiable Digital Gemstone Passport.	No	Yes	Yes	No
`search_gem_knowledge`Keyword search across the Ministry of Gems gemmological reference library — 215 lexicon definitions and 25 full-length buyer's handbooks, searched in full text across every section. Returns ranked results, each with the matched passage and a citable URL that deep-links to the chapter.	Keyword search across the Ministry of Gems gemmological reference library — 215 lexicon definitions and 25 full-length buyer's handbooks, searched in full text across every section. Returns ranked results, each with the matched passage and a citable URL that deep-links to the chapter.	No	Yes	Yes	No
`verify_gem_passport`Cryptographically verify a Ministry of Gems Digital Gemstone Passport by stone ID. Recomputes the SHA-256 digest of the signed record and checks its Ed25519 (EdDSA) signature against the house public key, then returns the attested record: species, carat, dimensions, cut, colour, clarity, origin, treatment and certificate status. Use when a buyer asks whether a stone or its passport is genuine, or before quoting any fact about a specific Ministry of Gems stone.	Cryptographically verify a Ministry of Gems Digital Gemstone Passport by stone ID. Recomputes the SHA-256 digest of the signed record and checks its Ed25519 (EdDSA) signature against the house public key, then returns the attested record: species, carat, dimensions, cut, colour, clarity, origin, treatment and certificate status. Use when a buyer asks whether a stone or its passport is genuine, or before quoting any fact about a specific Ministry of Gems stone.	No	Yes	Yes	No

Details

Registry status: Active
Published: Sep 18, 2026
Updated: Sep 18, 2026
Website: https://ministryofgems.com.au/pages/ai-index⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Security Finance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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