com.digitalgemology/gem-identification

up checked 2026-11-11T08:39:10.260Z

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Publisher-provided title

Digital Gemology: gem identification and gemstone properties

Publisher-provided description

Identify 36 gems by refractive index, birefringence, SG, pleochroism and spectrum; cut scores in 30

Summary by lookupd

Identifies gemstones from test readings like refractive index and specific gravity, and compares stones or their absorption spectra.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http gem-identification https://digitalgemology.com/mcp/gems

Codex, remote (streamable-http)

codex mcp add gem-identification --url https://digitalgemology.com/mcp/gems

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "gem-identification": {
      "url": "https://digitalgemology.com/mcp/gems"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (4 tools)

Publisher-provided text

• gem_properties Everything Digital Gemology has on one gemstone: refractive index (both rays for doubly refractive stones), birefringence, dispersion, specific gravity, hardnes
• identify_gem Match a stone's test readings against the 36 gemstones in Digital Gemology's data and rank them, saying which reading fits and which does not. Give any of: refr
• compare_gemstones Two gemstones side by side, and the tests that tell them apart: refractive index, birefringence (doubling of back facets, polariscope), specific gravity, disper
• absorption_spectrum What a hand spectroscope shows for one gemstone: each absorption line and band with its position in nanometres, its cause (for example Cr3+ in ruby) and what it

Changes

Newest first, as lookupd saw them

• 2026-11-11: version 1.0.0 → 1.1.0
• 2026-11-11: description changed

Details

• Version: 1.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 444 ms
• First indexed: 2026-11-01T08:53:42.615Z
• Last seen in registry: 2026-11-11T15:17:14.402Z
• Repository: https://github.com/cultrodistro/digitalgemology-mcp
• Website: https://digitalgemology.com/about/agents

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