au.com.ministryofgems/gemmology · v2.0.1 · finance-and-payments
Ministry of Gems — Gemmology & Gemstones is healthy: it completed an MCP handshake in 1799 ms and exposes 13 tools.
Gemology & gemmology: 215 FGAA terms, 25 handbooks, live gem stock, signed passport verification.
Endpoint: https://mog-concierge.33guruge.workers.dev/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 13 |
| Latency | 1799 ms |
| Last checked (UTC) | 2026-10-17T00:45:41.714Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-17T00:45:41.714Z | Healthy | 1799 | |
| 2026-10-15T17:55:15.386Z | Healthy | 1458 | |
| 2026-10-14T17:05:49.574Z | Healthy | 1355 |
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. |
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. |
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. |
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, tre |
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, |
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 |
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, "tsavori |
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". |
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. |
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. |
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. |
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 unrec |
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, eme |