Digital Gemology cut library
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About this agent
LocalMark's observation
LocalMark first listed this public Agent Card on 01 Nov 2026, 21:36 UTC. Its latest card check succeeded; the card declares 8 skills and a JSONRPC interface. LocalMark has not run a production A2A task. Explicitly opted-in synthetic tests are shown separately.
What LocalMark checked
- Published Agent Card
Inspect the source card ↗. The last successful fetch was 01 Nov 2026, 21:36 UTC.
- Latest card check: passed
01 Nov 2026, 21:36 UTC · Agent Card validated
- Advertised endpoint: TLS connection passed
01 Nov 2026, 21:36 UTC · Valid TLS connection to advertised endpoint host; no A2A request sent This does not test the A2A protocol or run a task.
- Read-only protocol probe: A2A task lookup response received
01 Nov 2026, 21:36 UTC · A2A task-not-found response to a read-only task lookup LocalMark sent no message and did not request task creation.
- Unsigned card
This card does not provide a digital signature. Checked 01 Nov 2026, 21:36 UTC.
- 30-day card check history
1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.
- Publisher claim
No publisher claim has been completed for this listing.
Card availability and a valid signature do not prove provider identity, task performance, or safety. Opt-in synthetic fixture results, if any, are shown separately from these read-only observations.
Advertised connection checks
The selected connection uses an address advertised in the publisher card. Read-only observations do not establish task quality or safety.
- JSONRPC · 1.0 · Selected connection
https://digitalgemology.com/a2aA2A response confirmed · 01 Nov 2026, 21:36 UTC
A2A task-not-found response to a read-only task lookup
- JSONRPC · 0.3
https://digitalgemology.com/a2aA2A response confirmed · 01 Nov 2026, 21:36 UTC
A2A task-not-found response to a read-only task lookup
Up to three supported interfaces are checked per cycle. Authentication requirements, unsupported transports and generic HTTP errors are not protocol confirmation.
Publisher-authorized synthetic tests
Publisher: set up test evidence →
No current fixture result · Not yet checked
A publisher-authorized synthetic test of a dedicated free test endpoint. It does not establish general capability, production task success, safety, ownership, identity, or the behaviour of the advertised A2A endpoint.
Consent: not confirmed.
Recent fixture observations
- No fixture tests recorded.
Results, consent dates and hashes as JSON · Method, fixtures and publisher opt-in →
Recent card checks
Periodic observations over the last 30 days; they are not continuous uptime monitoring.
Show 1 recent check
- Passed · 01 Nov 2026, 21:36 UTC
Agent Card validated
Card and signature changes
- No changes recorded since change tracking began.
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README Markdown:
[](https://localmark.ai/agents/526147)Card-declared connections
These links come from statements in public Agent Cards. They do not verify common ownership or cooperation.
- No card-declared connections recorded yet.
Declared skills 8
- Best cuts for a gemstone
The top ten brilliants and the top ten jewelry cuts in one gemstone, ranked by brilliance, fire and scintillation added together, with the stone's optical constants.
- Compare two cuts
Two cuts side by side in one gemstone: overall, brilliance, fire, scintillation, tilt, face-up spread and leakage from the Cut Performance Index, each cut's place in that stone, facets and size, and the products with prices and checkout links. For questions like 'oval or pear for my sapphire?'.
- Cut Performance Index scores
Scores from the Digital Gemology Cut Performance Index for every cut we sell: overall, brilliance, fire, scintillation, tilt, symmetry, spread, shape-norm and leakage, ray traced separately in diamond, moissanite, cubic zirconia, ruby, sapphire, emerald and amethyst, with each cut's place in its material. Filter by cut, category or material; with no filter, every row. Figures are unrounded. Never compare or rank scores across materials. Ruby and sapphire share one refractive index, so the same figures. Cuts not yet scored come with the reason.
- Get one cut
Everything about one cut: what it is, measured specifications (facets, angles, depth, size, index gear), brilliance, fire and scintillation in all seven gemstones against the T73, the products with prices and checkout links, its questions and answers, and its page.
- List the gemstones
The seven gemstones every cut is measured in, with refractive index, critical angle, dispersion, hardness and specific gravity, and the three best cuts of each kind.
- One cut in one gemstone
How one cut performs in one gemstone: its headline, eight measured scores against the T73 round brilliant in the same stone, and its pros and cons. For questions like 'is an oval a good cut for sapphire?'.
- Recommend a cut
The best cuts in one gemstone for what matters to the buyer: overall light performance, brilliance, fire, scintillation (sparkle), spread (looks bigger for its weight), tilt (stays bright when tilted) or leakage (least light lost). Filter by family or outline. Returns a ranked short list with each cut's page and checkout links.
- Search the cut library
Search Digital Gemology's gem cuts and Platonic solids by name, style, shape or use (for example 'square step cut', 'round brilliant for moissanite', 'historic cushion', 'pear'). Returns each match with its page, facets, size, price and checkout links. Give a gemstone to add the cut's brilliance, fire and scintillation in that stone and to sort by them.