MCP serverau.com.ministryofgems/gemmology

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

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ministry-of-gems-gemmology 2.0.1

protocol 2025-06-18

In the record since

32 days ago

Among servers18,413 with a card

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Toolsfrom sha256:e6f664e2ea…b04a58 · +10 −0 15 days ago

The tools this server lists, read out of the definition it returned
Tool	Schema
birthstone_for_month added 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. Acce	input · output
compare_gems added 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	input · output
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 c	input · output
faceup_size_estimate added 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 s	input · output
gem_care_guide added 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 ru	input · output
gem_properties added Mohs hardness, refractive index, specific gravity, birefringence and crystal system for a gem species (diamond, corundum/sapphire/ruby, emerald, spinel, opal, tourmaline, garnet, q	input · output
get_gem_product added 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 loo	input · output
lab_report_check added 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, G	input · output
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.	input · output
sapphire_price_guide added 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 co	input · output
search_gem_inventory added 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	input · output
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	input · output
verify_gem_passport added 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 again	input · output

Verify it yourselfnpx teppi-check https://mog-concierge.33guruge.workers.dev/mcpcurl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M1FZ2453DN9A7C7HZFFY3M8R