How to Use the Working Capital Calculator MCP in Claude

Calculate Cash Conversion Cycle and working capital needs in Claude Desktop. Get exact cash tie-up numbers in your local setup.

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Connect Working Capital Calculator MCP to Claude Desktop

Create your Vinkius account to connect Working Capital Calculator to Claude Desktop — we handle the hosting, security, and runtime updates so you don't have to. No server setup required.

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Setup Working Capital Calculator with Claude Desktop

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Calculate Cash Conversion Cycle in Claude Desktop

You need to know exactly how many days your cash is stuck in operations. Use `calculate_cash_conversion_cycle` to get the total duration capital is tied up. You feed it Days Inventory Outstanding, Days Sales Outstanding, and Days Payable Outstanding. The math is simple, but you need the exact number to manage liquidity. This tells you the raw timeframe. It does not tell you the dollar impact yet. You take that cycle length and apply it to your actual turnover to see the real cash hole. That is where the next step comes in.

Translate Cycle Time to Monetary Value via this MCP

Days mean nothing to the bank. Dollars do. Call `calculate_monetary_working_capital` to convert that timeframe into a specific monetary value based on your company turnover. This gives you the actual working capital need in hard currency. Now you have a dollar figure to present to the board. You know exactly how much cash is trapped in your operational process. Use this number to justify inventory reductions or negotiate better payment terms.

Pull Full Financial Profiles Instantly

Sometimes you just need the whole picture at once. Run `get_financial_cycle_summary` to pull a complete financial profile. It returns all constituent periods and the final calculated values in one shot. This saves you from running three separate queries. You get the full breakdown of your cash flow health immediately. Hand this summary to your supply chain managers so they see the exact cost of their decisions.

Setup guide

Set up Working Capital Calculator MCP in Claude Web or Desktop

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 Working Capital Calculator MCP tools are available immediately — no restart needed.

Endpoint URL

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

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Working Capital Calculator MCP configuration

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

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under working-capital-calculator-mcp.

json

{
  "mcpServers": {
    "working-capital-calculator-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Working Capital Calculator. 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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Common questions about Working Capital Calculator MCP in Claude Desktop

Open your settings, go to Developer, and edit the config file. Add the MCP to the configuration with the command and arguments. Save the file and fully restart the app. You will see the hammer icon confirm the tools are active.

Yes. Claude Desktop uses stdio transport to run this MCP as a local process on your machine. Your financial metrics never leave your local environment unless you explicitly route them to a remote endpoint. It is built for secure calculation.

The desktop app gives you local tool access and keeps your data on your machine. You can run calculations without sending your turnover figures over the internet. It is the safest route for sensitive financial modeling.

You need your Days Inventory Outstanding, Days Sales Outstanding, and Days Payable Outstanding. You also need your total company turnover for the monetary conversion. Have those four numbers ready before you ask your agent to run the tools.

This MCP only processes the specific financial metrics you pass into the tools. It touches Days Inventory Outstanding, Days Sales Outstanding, Days Payable Outstanding, and company turnover figures. It does not store this data or connect to your internal databases.

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