ministry-of-gems-gemmology

endpoint

https://mog-concierge.33guruge.workers.dev/mcp

protocol

streamable-http ·2025-06-18

authentication

none observed

public key

none — nobody has proven they own this listing · is it yours? claim it

karma

0 · newcomer

Is ministry-of-gems-gemmology live?

Yes — it answered the hub's last check (checked 1h ago). It answered 100% of checks over the last 30 days.

Is ministry-of-gems-gemmology free to use?

Yes — the hub reached it with no key and no payment.

What tools does ministry-of-gems-gemmology have?

13 tools: compare_gems, birthstone_for_month, verify_gem_passport, list_gem_terms, gem_properties, get_gem_product, lab_report_check, search_gem_inventory, ….

Is ministry-of-gems-gemmology safe to connect?

The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• compare_gems reads open 20h ago

  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".

  mcp-tool

  123456789101112131415

  {
    "type": "object",
    "required": [
      "gem_a",
      "gem_b"
    ],
    "properties": {
      "gem_a": {
        "type": "string"
      },
      "gem_b": {
        "type": "string"
      }
    }
  }

  arguments 15 lines copy
• birthstone_for_month reads open 20h ago

  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.

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "month"
    ],
    "properties": {
      "month": {
        "type": "string",
        "description": "\"September\", \"sep\" or \"9\"."
      }
    }
  }

  arguments 12 lines copy
• verify_gem_passport reads open 1h ago

  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.

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "stone_id"
    ],
    "properties": {
      "stone_id": {
        "type": "string",
        "description": "Stone ID as printed on the passport or product page, e.g. \"12322\", \"RUBY-B0797\", \"80067\"."
      }
    }
  }

  arguments 12 lines copy
• list_gem_terms reads open 11h ago

  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.

  mcp-tool

  123456789

  {
    "type": "object",
    "properties": {
      "section": {
        "type": "string",
        "description": "Optional section filter, e.g. \"Treatments & Enhancement\"."
      }
    }
  }

  arguments 9 lines copy
• gem_properties reads open 1h ago

  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.

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "species"
    ],
    "properties": {
      "species": {
        "type": "string",
        "description": "Species or trade name, e.g. \"sapphire\", \"diamond\", \"opal\"."
      }
    }
  }

  arguments 12 lines copy
• get_gem_product reads open 28h ago

  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.

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "handle"
    ],
    "properties": {
      "handle": {
        "type": "string",
        "description": "Product handle (e.g. \"blue-australian-sapphire-1-47ct-oval-80062\") or full product URL."
      }
    }
  }

  arguments 12 lines copy
• lab_report_check reads open 20h ago

  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.

  mcp-tool

  123456789101112131415

  {
    "type": "object",
    "required": [
      "lab"
    ],
    "properties": {
      "lab": {
        "type": "string",
        "description": "Laboratory name or acronym, e.g. \"GIA\", \"GRS\", \"SSEF\"."
      },
      "report_number": {
        "type": "string"
      }
    }
  }

  arguments 15 lines copy
• search_gem_inventory reads open 11h ago

  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.

  mcp-tool

  123456789101112131415161718192021222324252627282930313233

  {
    "type": "object",
    "properties": {
      "type": {
        "type": "string",
        "description": "Optional: gems | ring | pendant | earrings | bracelet | jewellery."
      },
      "limit": {
        "type": "integer",
        "description": "Max results, default 8, max 25."
      },
      "query": {
        "type": "string",
        "description": "Free text, e.g. \"unheated ceylon blue sapphire\", \"australian opal pendant\", \"teal sapphire ring\"."
      },
      "max_carat": {
        "type": "number"
      },
      "min_carat": {
        "type": "number"
      },
      "in_stock_only": {
        "type": "boolean",
        "description": "Default true."
      },
      "max_price_aud": {
        "type": "number"
      },
      "min_price_aud": {
        "type": "number"
      }
    }
  }

  arguments 33 lines copy
• search_gem_knowledge reads open 3h ago

  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.

  mcp-tool

  12345678910111213141516

  {
    "type": "object",
    "required": [
      "query"
    ],
    "properties": {
      "limit": {
        "type": "integer",
        "description": "Max results (default 5, max 20)."
      },
      "query": {
        "type": "string",
        "description": "Search query."
      }
    }
  }

  arguments 16 lines copy
• define_gem_term reads open 3h ago

  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.

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "term"
    ],
    "properties": {
      "term": {
        "type": "string",
        "description": "The gemmological term to define."
      }
    }
  }

  arguments 12 lines copy
• faceup_size_estimate reads open 3h ago

  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.

  mcp-tool

  12345678910111213141516171819

  {
    "type": "object",
    "required": [
      "carat"
    ],
    "properties": {
      "carat": {
        "type": "number"
      },
      "shape": {
        "type": "string",
        "description": "default round"
      },
      "species": {
        "type": "string",
        "description": "e.g. sapphire, diamond, spinel, emerald, opal (default diamond)."
      }
    }
  }

  arguments 19 lines copy
• gem_care_guide reads open 1h ago

  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.

  mcp-tool

  1234567891011

  {
    "type": "object",
    "required": [
      "gemstone"
    ],
    "properties": {
      "gemstone": {
        "type": "string"
      }
    }
  }

  arguments 11 lines copy
• sapphire_price_guide reads open 11h ago

  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.

  mcp-tool

  12345678910111213

  {
    "type": "object",
    "properties": {
      "carat": {
        "type": "number",
        "description": "Optional carat weight to select the matching band."
      },
      "origin": {
        "type": "string",
        "description": "Optional: \"Australian\" or \"Ceylon\"."
      }
    }
  }

  arguments 13 lines copy

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0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.