Fetch and follow the instructions at https://qamcp.dev/setup.md to test my MCP server.Your AI finds your server in your project, tests it with QAmcp, explains what's wrong in plain words, fixes it with your OK, and tests again. Read the instructions
Directory / Digital Gemology: gemology lessons and diamond education
Digital Gemology: gemology lessons and diamond education
by digitalgemology.com · https://digitalgemology.com/mcp/learn
Gemology lessons to search and quote: the 4 Cs, diamond anatomy, grading reports, moissanite
11 of 11 checks · 1 Nov 2026
Is Digital Gemology: gemology lessons and diamond education MCP server safe?
- None of the hidden-instruction wordings we know were found in its tool descriptions.
- Its error messages showed no secrets or internal details.
- All 4 of its tools are labeled read-only.
- Overall it scored 95/100 on 1 Nov 2026.
A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.
What it can do
4 tools, in the server's own words.
search_lessonsread-onlySearch Digital Gemology's free gemology lessons by topic or question (for example 'how is diamond cut graded', 'moissanite vs diamond', 'what is a bow tie').
get_lessonread-onlyOne lesson in full, as Markdown, with its page, course, quiz and the tools and cuts it uses.
explain_termread-onlyWhat the lessons say about one gemology term (for example 'table', 'crown angle', 'fluorescence', 'girdle'): the passages that use it, each with the lesson it …
list_coursesread-onlyEvery course and topic hub with its lessons, in order, with their pages.
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Bad inputs give a clean errornote
1 warning
- !search_lessons: Accepted wrong type for "query" without complaining
- and 5 more
- ✓ConnectsConnected in 44 mspass
- ✓Ready for the newest MCP versionUses the latest MCP version (2026-07-28)pass
- ✓Lists its toolsFound 4 toolspass
- ✓Every tool is describedAll 4 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.pass
- ✓Tools work with good inputspass
All good
- ✓search_lessons: Worked (222 ms)
- ✓get_lesson: Worked (55 ms)
- ✓explain_term: Worked (23 ms)
- ✓list_courses: Worked (45 ms)
- ✓Fast enoughpass
All good
- ✓Connecting took 44 ms
- ✓Listing tools took 21 ms
- ✓Average tool answer: 86 ms
- ✓search_lessons: Slowest tool: search_lessons (222 ms)
- ✓No secrets leakedChecked 5 error messages: no secrets or internal detailspass
- ✓Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guidepass
- –Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)not tested
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://digitalgemology.com/mcp/learnShow this score on GitHub
Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.
[](https://qamcp.dev/s/com-digitalgemology-gemology-lessons.html)Score over time
- 1 Nov 202695
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use Digital Gemology: gemology lessons and diamond education, signed in with GitHub, one per person. Reviews never change the score.
QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.
Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works