Vinkius

Finance Toolkit MCP. Run mathematically precise financial formulas.

The Finance Toolkit MCP lets your AI agent run complex financial math that standard LLMs fail at. It calculates loan amortization (SAC/PRICE), compound interest rates, ROI percentages, and simple interest using an exact V8 JavaScript engine. This ensures the calculations are precise every time.

Finance Toolkit MCP is compatible with Claude Claude
Finance Toolkit MCP is compatible with ChatGPT ChatGPT
Finance Toolkit MCP is compatible with Cursor Cursor
Finance Toolkit MCP is compatible with Gemini Gemini
Finance Toolkit MCP is compatible with Windsurf Windsurf
Finance Toolkit MCP is compatible with VS Code VS Code
Finance Toolkit MCP is compatible with JetBrains JetBrains
Finance Toolkit MCP is compatible with Vercel Vercel
See Vinkius in Action

Give Claude and any AI agent real-world access

Generate Amortization Schedules

Creates summarized loan payment tables, comparing Constant Amortization (SAC) and French Price (PRICE) methods.

Calculate Compound Interest Growth

Determines the future value of an investment using customizable compounding frequencies over time.

Compute Return on Investment

Calculates the percentage return (ROI) based on initial costs versus generated profit.

Calculate Simple Interest

Determines the total interest accrued over a period using basic, non-compounding formulas.

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AI Agent
Finance Toolkit

What AI agents can do with Finance Toolkit: 4 Tools Available

These four tools allow you to run specific financial calculations—like calculating profit return or running detailed loan tables—using guaranteed accurate mathematical formulas.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Finance Toolkit MCP

Calculate Amortization

Generates a full loan payment schedule, comparing SAC and PRICE methods using an exact rate input.

Calculate Compound Interest

Calculates future investment value based on compound interest rates over a set time...

Calculate Roi

Computes the percentage return (ROI) to measure profit against initial expenditures.

Calculate Simple Interest

Calculates basic interest accrual over time, using a straightforward non-compounding...

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Finance Toolkit MCP is compatible with Claude

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Finance Toolkit integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on each call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with Finance Toolkit, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,200+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Connections are secured and governed automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog weekly
Finance Toolkit MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by finance-toolkit. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Spreadsheets are rigid, and generic AI is unreliable when money is involved.

When running financial models today, you’re usually stuck in a loop: opening Excel to run amortization schedules, cross-referencing interest rates in a second tab, and then manually calculating ROI using formulas that are prone to rounding errors. If your agent can't access the right spreadsheet or formula, you end up spending hours correcting small discrepancies just to get a single answer.

With this MCP, those complex calculations happen instantly via your AI client. You tell your agent what needs modeling—like comparing SAC and PRICE tables—and it executes the math with deterministic precision, giving you an immediate, verifiable summary without ever leaving your workflow.

Get guaranteed results with calculate_roi.

Before this MCP, determining a campaign's actual ROI meant grabbing sales data and inputting it into specific cells in a spreadsheet. It was slow, required multiple steps of copy-pasting numbers between systems, and always felt like a manual bottleneck.

Now, your agent uses calculate_roi directly. You simply provide the investment cost and the resulting revenue figures, and you get the precise ROI percentage back immediately. The calculation is done in one clean step.

What Finance Toolkit MCP does for your AI

Running accurate financial models requires more than just language understanding; it demands absolute mathematical precision. When you need to calculate things like bond schedules or investment growth, relying on a standard large language model is risky—they can hallucinate figures that lead to bad business decisions. This MCP solves that problem by handling all the math using an exact V8 JavaScript engine, keeping sensitive data local and secure.

Instead of trying to compute these formulas internally, your agent delegates the work. You can generate detailed amortization tables comparing SAC or PRICE methods, track return on investment (ROI), or calculate compound interest over years. This functionality is hosted within the comprehensive Vinkius catalog, meaning you connect once to access deterministic math for all your financial needs.

Built · Hosted · Managed by Vinkius Finance Toolkit MCP - Calculate Amortization & ROI
Server ID 019e3897-3ff9-72cd-81e1-e62d3e00ecc8
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Frequently asked questions about Finance Toolkit MCP

How does the Finance Toolkit MCP handle complex loan math? +

The toolkit uses a deterministic V8 JavaScript engine to perform calculations like calculate_amortization. This means it guarantees mathematical accuracy, preventing the hallucination of figures common in standard AI models.

Can I use this MCP for different types of interest? +

Yes. It offers tools for calculating both compound interest using calculate_compound_interest and basic interest using calculate_simple_interest, covering most financial needs.

What is the difference between SAC and PRICE amortization with this MCP? +

The calculate_amortization tool lets you compare these two methods directly. SAC (Constant Amortization) keeps the principal reduction constant, while PRICE (French) spreads payments evenly.

Is the data I use for ROI calculations private? +

Yes. The MCP processes sensitive financial planning and proprietary rates locally within your infrastructure, meaning the data never leaves your controlled environment.

Does calculate_compound_interest handle varying compounding periods? +

It does. You can specify the frequency of compounding (times per year) beyond just annual compounding, ensuring highly accurate projections for investments.