A
licenseA
qualityB
maintenanceProvides diamond education tools for AI assistants, including grading report verification, face-up size estimation, and market price index, all backed by sourced and dated facts.
8
1
MIT
Carat Hunter
Server Details
Latest prices for one certified diamond across 100+ retailers: search, cert lookup, market prices.
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- Status
- Healthy
- Uptime
- 100.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-06-18
- URL
- ChatGPT
- –
- Claude
- –
TDQS
A3.8/5.0
Scored across 5 tools
Disambiguation4/5
The five tools mostly target distinct tasks: individual diamond lookup, certificate lookup, market totals, spec-level price benchmarks, and search. The only mild overlap is between get_diamond and lookup_certificate, which both retrieve an exact stone but by different identifiers, and search_diamonds versus price_check, which distinguish individual listings from aggregate pricing.
Naming Consistency4/5
All names use snake_case, which is consistent. Most follow a verb_noun pattern (get_diamond, lookup_certificate, search_diamonds), but price_check and market_overview deviate slightly in structure.
Tool Count5/5
Five tools is well-scoped for a diamond price and market lookup server. Each tool covers a clear function: search, exact-stone detail, certificate lookup, price benchmarking, and market overview.
Completeness4/5
The surface covers the core lifecycle for diamond research: discovery, exact-stone lookup, certificate verification, pricing benchmarks, and market context. A minor gap is that search_diamonds returns up to 10 stones with no explicit pagination or broader retrieval option described.
Available Tools
5 toolsget_diamondGet a diamondARead-onlyInspect
Details and the latest confirmed price range for one diamond, with the date we last saw it, by its Carat Hunter id (from search_diamonds or a carathunter.com URL).
Inputs: id (required).
lookup_certificateLook up a grading certificateARead-onlyInspect
Find a diamond by its grading report number (GIA, IGI, HRD, GCAL...). Tells you whether retailers list that exact stone, how many, and the price range between them as of the date we last saw it. Useful to check whether a quoted price is fair.
Inputs: certificate_number (required).
market_overviewDiamond market overviewARead-onlyInspect
How many diamonds and retailers Carat Hunter currently tracks, from its latest weekly market report.
Inputs: no named parameters.
price_checkMarket price for a diamond specARead-onlyInspect
Typical listed prices for a spec (carat size, colour, clarity, shape, origin) across all retailers Carat Hunter tracks, with the day they were measured: median, middle-half range, and how much the same stone varies between retailers. Carat sizes: 0.3, 0.5, 0.75, 1, 1.5, 2, 3, 5.
Inputs: carat (required), shape (required), colour (required), origin (required), +1 more.
search_diamondsSearch diamondsBRead-onlyInspect
Search certified diamonds listed by retailers worldwide, with the latest cross-retailer prices we have seen. Returns up to 10 stones with specs, the lowest and highest confirmed price for that exact stone with the date we last saw them, how many retailers list it and a Carat Hunter grade. Prices in US dollars. Retailer names are shown on carathunter.com after a free sign-up; always give the user the link.
Inputs: page, sort, shape, colour, +6 more.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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