CD Return Calculator Connector for AI agents.
3 live capabilities
Project CD yields and compare them against market benchmarks.
Waiting for input…
Why people use CD Return Calculator
CD Return Calculator for Accurate Savings Rate Analysis
This Connector changes that by pulling everything into one conversation. You tell your agent the terms of the CD, and it handles the math and the market comparison instantly. You get a clear yes or no on whether that investment is actually the best move for your cash.
What Vinkius changes
You get a clear, data-backed comparison of your CD yield against the current market.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 5,900+ Connectors
- Real-world use case 01
Comparing a 12-month CD vs. a local HYSA
An investor wants to know if a new CD offer is worth it.
- Real-world use case 02
Planning a 2-year nest egg for a down payment
A homebuyer wants to see the final balance of a $50,000 deposit over 24 months to see if it hits their target goal.
- Real-world use case 03
Checking if a 4% APY is still competitive
A saver wants to know if their current CD is still the best move.
Complete set · 3capabilities
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.
01—03
3 capabilities in this set.
Part of 3 available through CD Return Calculator.
- 01 Capability
Calculate cd yield
This capability calculates the growth of an investment based on CD terms and compounding interest. It provides the exact final balance so you know what your money will actually look like at the end of the term.
- 02 Capability
Fetch market benchmarks
This capability retrieves current hardcoded benchmark rates for liquid alternatives. You can use it to check what high-yield savings accounts and money market funds are offering right now.
- 03 Capability
Generate investment comparison
This capability produces a high-level comparison between your CD and market alternatives. It gives you a clear summary of whether your chosen investment is actually beating the competition.
Set up in minutes
One URL. Then ask CD Return Calculator to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use CD Return Calculator from the conversation.
Choose your client
Live previewAdvanced clients IDE · CLI
Claude · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/mcp - Step 01
Open Connectors
In Claude Web or Claude Desktop, open Settings and choose Connectors.
- Step 02
Add the URL
Choose Add custom connector, name it CD Return Calculator, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable CD Return Calculator for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/mcp - Step 01
Open MCP settings
On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
- Step 02
Add the URL
Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the CD Return Calculator URL.
- Step 03
Save and start
Save the connection and enable CD Return Calculator in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"cd-return-calculator": {
"url": "https://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/mcp"
}
}
}- Step 01
Open MCP Settings
Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
- Step 02
Add the server config
Paste the JSON configuration above into the mcp.json file that opens
- Step 03
Save the file
Cursor will automatically detect the new Connector
- Step 04
Start using CD Return Calculator
Open Agent mode in chat and ask: "Using CD Return Calculator, help me...". 3 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"cd-return-calculator": {
"url": "https://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/mcp"
}
}
}- Step 01
Create MCP config
Create a .vscode/mcp.json file in your project root
- Step 02
Add the server config
Paste the JSON configuration above
- Step 03
Enable Agent mode
Open GitHub Copilot Chat and switch to Agent mode using the dropdown
- Step 04
Start using CD Return Calculator
Ask Copilot: "Using CD Return Calculator, help me...". 3 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"cd-return-calculator": {
"url": "https://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/mcp"
}
}
}- Step 01
Open MCP Settings
Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
- Step 02
Add the server
Paste the JSON configuration above into mcp_config.json
- Step 03
Save and reload
Windsurf will detect the new server automatically
- Step 04
Start using CD Return Calculator
Open Cascade and ask: "Using CD Return Calculator, help me...". 3 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"cd-return-calculator": {
"url": "https://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/mcp"
}
}
}- Step 01
Open Cline MCP Settings
Click the Connectors icon in the Cline sidebar panel
- Step 02
Add remote server
Click "Add Connector" and paste the configuration above
- Step 03
Enable the server
Toggle the server switch to ON
- Step 04
Start using CD Return Calculator
Ask Cline: "Using CD Return Calculator, help me...". 3 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add cd-return-calculator --transport http "https://edge.vinkius.com/vk_preview_DF1lbiXJTlodZijKx7PHsSZLM5w0Kuv5kqhMjY8v/mcp"- Step 01
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
- Step 02
Add the Connector
Run the command above in your terminal
- Step 03
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
- Step 04
Start using CD Return Calculator
Ask Claude: "Using CD Return Calculator, show me...". 3 tools are ready
Where the request belongs
Work CD Return Calculator can move forward.
This is for anyone looking to maximize their savings interest without doing manual math. It's built for people who need to compare fixed-term investments against liquid options quickly.
Retail Investor
They use this to see if a 12-month CD actually beats a high-yield savings account before they commit their cash.
Financial Advisor
They use it to quickly run numbers for clients who want to see the final balance of a multi-year CD investment.
Personal Finance Enthusiast
They use it to track their savings goals and ensure they aren't leaving money on the table by choosing the wrong account type.
Build the capability set
Add more capabilities.
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Monthly Compound Table Generator
Generate detailed monthly compounding schedules and investment summaries.
Bring your own AI
Change the model, client or framework. Keep CD Return Calculator connected.
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Claude -
ChatGPT -
Gemini -
Cursor -
VS Code -
Windsurf -
ZCode -
Cline -
Zed -
Continue -
Kiro -
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Chorus -
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CrewAI -
Vercel AI SDK
Before you connect
Questions about CD Return Calculator.
The practical details behind the request, access and result.
Can the CD Return Calculator help me see how much interest I'll actually make?
Yes. It calculates the exact interest growth and your final balance based on the principal, APY, and the term length you provide.
How does the CD Return Calculator compare my CD to other savings options?
It pulls in current benchmark rates for high-yield savings accounts and money market funds so you can see how your CD stacks up against liquid alternatives.
Can I use the CD Return Calculator to plan for a 2-year investment?
Absolutely. You can input any term length, such as 24 months, to see exactly how your investment will grow over that period.
Is the CD Return Calculator good for comparing different APY rates?
Yes, it's designed to show you the difference in yields between various rates and terms, helping you decide which offer is the best fit.
Can the CD Return Calculator show me the final balance of my deposit?
Yes, it provides a clear final balance figure so you know exactly what your total amount will be at the end of the CD term.
What kind of market benchmarks does the CD Return Calculator use?
It uses current benchmark rates for liquid alternatives like high-yield savings accounts and money market funds to give you market context.
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.
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.
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.
One connection away
Give your agent a direct line to CD Return Calculator.
Connect CD Return Calculator once. Keep it beside 5,900+ managed Connectors when the next task needs more.
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