How to Use the Finance Toolkit MCP in Claude Code

Headless finance math for Claude Code. Connect this MCP Server to run calculations directly from your terminal.

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Connect Finance Toolkit MCP to Claude Code

Create your Vinkius account to connect Finance Toolkit to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Finance Toolkit with Claude Code

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Terminal-based amortization from Claude Code

Call `calculate_amortization` via the command line to generate debt tables. Claude Code pipes the result into your shell or log files for quick analysis. It works perfectly in CI/CD pipelines. You get accurate SAC or PRICE tables without leaving your terminal session.

Compound interest math for Claude Code

Use `calculate_compound_interest` to compute growth rates in your scripts. Claude Code runs the calculation and returns the value directly to your stdout. This is ideal for automated testing of financial logic. You can verify your formulas instantly during build or deploy steps.

CLI-driven ROI and simple interest

Run `calculate_roi` or `calculate_simple_interest` from the command line. Claude Code invokes these tools to provide the math you need for your backend reports. These functions are built for speed and reliability. Your terminal becomes the source of truth for all your financial calculations.

Setup guide

Set up Finance Toolkit MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see finance-toolkit-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Finance Toolkit transactions." It will automatically discover and invoke the available Finance Toolkit tools.

Terminal

claude mcp add --transport http finance-toolkit-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Finance Toolkit MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "finance-toolkit-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about Finance Toolkit MCP in Claude Code

Run the add command with your server details in the terminal. Once registered, Claude Code communicates with the tools via your configured transport.

Absolutely. You can script the tool calls to run during your deployment process, using the outputs for automated financial validation.

It uses minimal resources and responds instantly. Claude Code processes the output as text, allowing you to parse the data in any script.

Yes. Every tool, including amortization and interest calculators, is accessible through the terminal interface once the server is active.

The server runs as a local process on your machine. Your input values and financial data never leave your server environment, providing a secure sandbox for all calculations.

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