Download PDFMarkdown Version
ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Numismatic Grading Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate Sheldon grades and market values for US coins.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 3 capabilities

The complete Numismatic Grading Calculator capability set.

These are the exact actions your AI can choose when you ask it to work with Numismatic Grading Calculator.

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through Numismatic Grading Calculator.

  1. 01

    Get coin metadata

  2. 02

    Calculate sheldon grade

  3. 03

    Estimate coin value

Observed, not estimated

735ms average. Fast in production.

Numismatic Grading Calculator is checked daily against the live service.

Daily averagePeak 963ms
Aug 24Today
Fastest day
665ms
Slowest day
963ms
14-day trend
Improving-10%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Numismatic Grading Calculator, so you can see the experience inside your AI.

It does not authenticate your account with Numismatic Grading Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Numismatic Grading Calculator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_EUd1O3i8an1Wc7pr93e0je9qlww9nQY6ZT8aOZ3K/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Numismatic Grading Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "numismatic-grading-value-estimator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_EUd1O3i8an1Wc7pr93e0je9qlww9nQY6ZT8aOZ3K/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions Numismatic Grading Calculator owners ask.

  • 01

    How do I determine the grade of my coin?

    You can use the calculate_sheldon_grade capability. Provide details regarding the wear percentage, luster, strike quality, and surface marks to receive a Sheldon scale grade.

  • 02

    Does this capability account for precious metal prices?

    Yes. When using estimate_coin_value, you provide the current spot price, and the capability will calculate both the numismatic value and the melt value.

  • 03

    Can I get technical details about specific coins?

    Yes, the get_coin_metadata capability provides technical specifications such as metal content and weight for supported US coin types.

Explore

More in Finance

Suggestions