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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use CD Return Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate potential returns on Certificates of Deposit (CD) and compare them against market benchmarks like HYSA and Money Market funds.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 3 capabilities

The complete CD Return Calculator capability set.

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

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through CD Return Calculator.

  1. 01

    Calculate cd yield

    Calculates the growth of an investment based on CD terms and compounding interest

  2. 02

    Fetch market benchmarks

    Retrieves the current hardcoded benchmark rates for liquid alternatives based on a given interest rate level

  3. 03

    Generate investment comparison

    Produces a high-level comparison between the CD investment and market alternatives

Observed, not estimated

650ms average. Fast in production.

CD Return Calculator is checked daily against the live service.

Daily averagePeak 811ms
Aug 20Today
Fastest day
520ms
Slowest day
811ms
14-day trend
Improving-6%

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 CD Return Calculator, so you can see the experience inside your AI.

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

CD Return Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/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 — CD Return Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "cd-return-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/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 CD Return Calculator owners ask.

  • 01

    How does the calculator determine my final balance?

    The calculate_cd_yield capability applies your specified compounding frequency (daily, monthly, quarterly, or annually) to the principal amount over the chosen term to calculate total interest and the final balance.

  • 02

    Can I compare my CD rate to other savings options?

    Yes. By using fetch_market_benchmarks, the capability retrieves current benchmark rates for HYSA and Money Market funds, allowing you to see how your CD compares to liquid alternatives.

  • 03

    What does the advantage score represent?

    The advantage score, generated via generate_investment_comparison, represents the numeric margin between your CD's APY and the relevant market benchmark rate.

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