How to Use the Working Capital Calculator MCP in Mastra AI

Build resilient financial workflows that calculate working capital and handle retries automatically with Mastra AI.

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Connect Working Capital Calculator MCP to Mastra AI

Create your Vinkius account to connect Working Capital Calculator to Mastra AI — 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 Mastra AI

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Branch Mastra Workflows on Cycle Days

`calculate_cash_conversion_cycle` acts as the first step in your Mastra workflow. Your agent checks how many days cash is tied up in operations. If the cycle exceeds your threshold, the workflow branches to alert the treasury team. Mastra handles the conditional logic natively. You define the steps in TypeScript and let the engine route the execution. The agent only triggers the alert when the math actually warrants it.

Retry Monetary Calculations Automatically

`calculate_monetary_working_capital` turns those days into a hard dollar amount. Your agent passes the cycle duration and turnover to get the exact cash requirement. This number feeds directly into your automated funding requests. If the API call times out, Mastra retries with exponential backoff. Your workflow doesn't just fail and die. It keeps trying until it gets the monetary value or hits the retry limit.

Require Human Approval for Summaries

`get_financial_cycle_summary` pulls the complete breakdown when the CFO needs the full picture. Your agent fetches all constituent periods and final values in a single execution. Mastra logs the entire payload for your audit trail. You can set up human-in-the-loop approval right after this step. The workflow pauses and waits for a manager to review the summary. Once approved, it pushes the data to your ERP system.

Setup guide

Set up Working Capital Calculator MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All Working Capital Calculator tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "working-capital-calculator-mcp-client",
  servers: {
    "working-capital-calculator-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "Working Capital Calculator Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to Working Capital Calculator tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent Working Capital Calculator transactions"
);
console.log(result.text);

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Common questions about Working Capital Calculator MCP in Mastra AI

Install the MCP package and initialize the client with your URL. Spread the tools from listTools() directly into your agent definition. Mastra auto-detects the transport protocol.

Yes. The framework includes automatic retries with exponential backoff. If a financial calculation times out, Mastra tries again without crashing your entire workflow.

Yes, it works perfectly. You can branch your workflow based on the exact days or dollar amounts returned by the tools. Mastra evaluates the tool output and routes the execution accordingly.

Set the requireToolApproval flag in your agent configuration. Mastra will pause the workflow when it hits a flagged tool and wait for a human to approve the execution.

The MCP processes days inventory outstanding, days sales outstanding, days payable outstanding, and company turnover. It calculates the cycle and monetary need without touching your underlying accounting database.

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