E-commerce & Retail · Finance

MCP Server

openfacet/mcp-server

A Model Context Protocol (MCP) implementation for the OpenFacet Diamond Pricing API. Provides transparent, real-time diamond pricing data with interpolation algorithms and market depth analytics.

Install

See repository

Setup steps are in the repository README.

Open README
Category
E-commerce & Retail, Finance
License
MIT
Updated
Oct 6, 2026

Features

  • Implements MCP 2026-07-28 (stateless per-request metadata, structured content, and HTTP metadata validation)

  • Tools: get_diamond_price, get_dcx_index, get_market_depth

  • Real-time interpolation over carat/color/clarity

  • DCX Index and inventory snapshot with daily refresh

  • Single-file deployable; no dependencies

  • Runtime adapters:

Tools (3)

  • get_diamond_price

    Returns an OpenFacet price quote using website interpolation, special-size discounts, and shape-ratio models.

  • get_dcx_index

    Returns composite index of diamond price trends, comparing 24-hour, 7-day, and 30-day changes.

  • get_market_depth

    Returns observed-offer inventory data.

Details on this page are taken from the project's README. Open README

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