Ministry of Gems — Gemmology & Gemstones is a remote MCP server that gives an AI agent 3 tools, among them define_gem_term, list_gem_terms, search_gem_knowledge. It answers at https://mog-concierge.33guruge.workers.dev/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 4 September 2026; the last check, on 17 October 2026, succeeded.
Gemology & gemmology: 215 FGAA terms, 25 handbooks, live gem stock, signed passport verification.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
define_gem_term | Look up a gemmological term in The Gem Lexicon of Ministry of Gems — 168 definitions verified by an FGAA-qualified gemmologist. Returns the definition, its subject section, and a citable anchor URL. Use for terms such as padparadscha, corun Inputs: term |
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. Inputs: section |
search_gem_knowledge | Keyword search across the Ministry of Gems gemmological reference library — 168 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 Inputs: query, limit |
Every block below points at https://mog-concierge.33guruge.workers.dev/mcp. Pick your client and copy.
claude mcp add --transport http ministry-of-gems-gemmology-gemst https://mog-concierge.33guruge.workers.dev/mcp
{
"mcpServers": {
"ministry-of-gems-gemmology-gemst": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://mog-concierge.33guruge.workers.dev/mcp"]
}
}
}{
"mcpServers": {
"ministry-of-gems-gemmology-gemst": {
"url": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}{
"servers": {
"ministry-of-gems-gemmology-gemst": {
"type": "http",
"url": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}{
"context_servers": {
"ministry-of-gems-gemmology-gemst": {
"url": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}{
"mcpServers": {
"ministry-of-gems-gemmology-gemst": {
"serverUrl": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}{
"mcpServers": {
"ministry-of-gems-gemmology-gemst": {
"url": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}name: Ministry of Gems — Gemmology & Gemstones
version: 0.0.1
schema: v1
mcpServers:
- name: Ministry of Gems — Gemmology & Gemstones
type: streamable-http
url: https://mog-concierge.33guruge.workers.dev/mcp{
"mcpServers": {
"ministry-of-gems-gemmology-gemst": {
"httpUrl": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}{
"mcpServers": {
"ministry-of-gems-gemmology-gemst": {
"type": "http",
"url": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}{
"mcpServers": {
"ministry-of-gems-gemmology-gemst": {
"url": "https://mog-concierge.33guruge.workers.dev/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fmog-concierge.33guruge.workers.dev%2Fmcp&type=streamable_http&id=ministry-of-gems-gemmology-gemst&name=Ministry%20of%20Gems%20%E2%80%94%20Gemmology%20%26%20Gemstones
It answered our last check on 17 October 2026 in 174 ms. Over 10 checks since 4 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.
3, as returned by the server's own tools/list on 9 September 2026: define_gem_term, list_gem_terms, search_gem_knowledge.
It answered our last check on 17 October 2026 in 174 ms. Over 10 checks since 4 September 2026 it answered 10.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://mog-concierge.33guruge.workers.dev/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: au.com.ministryofgems. Endpoint host: mog-concierge.33guruge.workers.dev. ARD identifier: urn:air:au.com.ministryofgems:mcp:gemmology.
First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.