# OpenFacet

> Use this tool when you need to access real-time diamond market data and accurate pricing calculations for jewelry professionals, diamond traders, and AI assistants. OpenFacet provides diamond price quotes, market trends analysis through the Diamond Composite Index (DCX), and market depth analysis with inventory levels by color and clarity combinations. It integrates with OpenFacet.net's API and offers flexible transport options, including stdio and HTTP, for seamless desktop or web deployment.

Canonical page: https://skillsregistry.net/skills/openfacet-diamond-pricing  
JSON: https://api.skillsregistry.net/v1/skills/openfacet-diamond-pricing

## Description

A diamond pricing MCP server that integrates with OpenFacet.net's API to provide real-time diamond market data and pricing calculations. The server offers three core tools: diamond price quotes using interpolation algorithms with carat weight boosting near standard thresholds, the Diamond Composite Index (DCX) for market trends, and market depth analysis showing inventory levels by color and clarity combinations. Built with multiple transport options including stdio for desktop integration and HTTP for web deployment, it includes sophisticated caching and supports both round and cushion diamond shapes, making it valuable for jewelry professionals, diamond traders, and AI assistants needing accurate gemstone market intelligence.

## Trust

- **Trust score (0–1):** 0.84
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** devops-ci
- **Updated:** 2026-09-19

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/openfacet-diamond-pricing)
- **Repository:** <https://github.com/openfacet/mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "openfacet-diamond-pricing"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/openfacet-diamond-pricing` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/openfacet-diamond-pricing/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt