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Troystack MCP Server

@kingleosgold

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

kingleosgold

Submitted by

Jon Mancini

About Troystack MCP Server

Live precious metals prices, COMEX vault data, market intelligence, and calculators.

#precious-metals#gold#silver#finance#comex#api

Troystack MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "troystack": {
      "url": "https://api.troystack.ai/mcp"
    }
  }
}

Troystack MCP Server tools

12

Returns current spot prices for gold, silver, platinum, and palladium with daily change percentages

Historical spot price data for a precious metal over a time range

Returns Stack Signal — TroyStack's curated precious metals market intelligence with Troy's commentary

Returns COMEX warehouse inventory: registered, eligible, combined ounces, daily changes, open interest, oversubscribed ratio

Calculates silver melt value for pre-1965 US coinage

Calculates price multipliers comparing current spot to hypothetical target prices

Ask Troy anything about precious metals, markets, your stack. Provide api_key for personalized portfolio-aware answers, or omit for general market analysis.

Returns your precious metals portfolio: total value, cost basis, gain/loss, per-metal breakdown, and individual holdings

Add a precious metals purchase to your portfolio

Cost basis, average cost per oz, break-even price, unrealized P/L per metal

Extract precious metals purchase data from a receipt image using AI vision

Troy's daily market brief. Provide api_key for personalized brief, or omit for the latest Stack Signal market synthesis.

Overview

What is Troystack?

Troystack is a REST API and MCP server that provides live precious metals data (gold, silver, platinum, palladium), portfolio management, and AI/LLM integration for TroyStack app users and developers.

How to use Troystack?

Install dependencies with npm install, copy .env.example to .env, fill in Supabase credentials (SUPABASE_URL, SUPABASE_SERVICE_ROLE_KEY), then run npm run dev. For production, deploy to Railway by connecting a GitHub repo and setting the required environment variables. Run the SQL migration migrations/001_api_keys.sql in Supabase SQL editor to set up the database.

Key features of Troystack

  • Live spot prices for Au, Ag, Pt, Pd
  • Historical price data and market news
  • COMEX vault inventory monitoring
  • Portfolio summary and cost basis analytics
  • Authenticated holdings management (add/list)
  • AI/LLM endpoint discovery via /llms.txt and OpenAPI spec
  • MCP server manifest at /.well-known/mcp.json

Use cases of Troystack

  • Build a financial app that displays current precious metal prices
  • Track personal metal holdings and calculate cost basis
  • Integrate with AI agents (Claude, GPT) for metal market analysis
  • Automate portfolio syncing between TroyStack iOS app and cloud storage

Frequently asked questions

1

What data does Troystack provide?

Live spot prices for gold, silver, platinum, and palladium; historical prices; market headlines; COMEX vault inventory; and portfolio/holding data for authenticated users.

2

How do I authenticate for protected endpoints?

Use a Bearer token in the Authorization header. Tokens are managed via the Supabase database; run the API keys migration to set them up.

3

Where does Troystack store data?

Data is stored in Supabase (server-side) and synced from the TroyStack iOS app’s local SQLite database.

4

Can I use Troystack with AI agents?

Yes. Troystack serves an `/llms.txt` file, an OpenAPI 3.0 spec, an AI plugin manifest, and an MCP server manifest to support integration with Claude, GPT, and other LLMs.

5

On which platform is Troystack deployed?

The API is designed to run on Railway, using environment variables for Supabase credentials and the port. A custom domain `api.troystack.ai` is available.

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