How to Use the Working Capital Calculator MCP in LlamaIndex

Q: Can I filter which tools LlamaIndex uses from the Working Capital Calculator?

Yes. Use the allowedtools parameter when setting up your agent. This restricts the agent to only call the specific financial metrics you want it to access.

Q: How do I include resources from the Working Capital Calculator in my index?

Set includeresources to true when configuring your tool spec. This allows your agent to access additional data endpoints provided by the MCP alongside the standard tools.

Index your working capital metrics in LlamaIndex. Turn raw cash conversion data into a searchable knowledge base for your financial agents.

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Connect Working Capital Calculator MCP to LlamaIndex

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Setup Working Capital Calculator with LlamaIndex

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Index cash conversion cycles via this MCP Server

The `calculate_cash_conversion_cycle` tool feeds exact operational durations into your LlamaIndex vector store. You calculate the days cash is tied up. That number becomes a searchable data point for your RAG pipeline. When a user asks why Q3 liquidity dropped, your agent retrieves this exact metric from the index. It grounds the answer in actual API data so your agent doesn't hallucinate a reason.

Turn cycle days into indexed dollars with this MCP

Run `calculate_monetary_working_capital` to convert those timeframes into hard currency amounts based on turnover. Your agent gets a specific funding requirement. LlamaIndex stores that monetary value alongside your other financial documents. When your system queries for capital needs across different quarters, it pulls these exact dollar figures from the index.

Build a searchable financial profile via the MCP

Use `get_financial_cycle_summary` to pull a full breakdown of all constituent periods and final values. Your agent ingests the entire financial profile in one go. This creates a rich context window for your RAG application. You can query the index for specific period breakdowns and get answers grounded in the actual cycle metrics.

Setup guide

Set up Working Capital Calculator MCP in LlamaIndex

Prerequisites

Python 3.10+ installed
llama-index-tools-mcp package
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run pip install llama-index-tools-mcp llama-index-llms-openai. The MCP tools package provides BasicMCPClient and McpToolSpec.
2

Connect with BasicMCPClient
Point BasicMCPClient to your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. Supports SSE and Streamable HTTP transports.
3

Convert to LlamaIndex tools
Call mcp_tool_spec.to_tool_list_async() to convert all Working Capital Calculator MCP tools into native FunctionTool objects that any LlamaIndex agent can use.
4

Run with any LLM
Create a FunctionAgent with the tools and your preferred LLM. Swap OpenAI for Anthropic, Gemini, or any LlamaIndex-supported provider.

agent.py

from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI

# Connect to the MCP
mcp_client = BasicMCPClient(
    "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)
mcp_tool_spec = McpToolSpec(client=mcp_client)

# Convert MCP tools to LlamaIndex tools
tools = await mcp_tool_spec.to_tool_list_async()

# Create and run the agent
agent = FunctionAgent(
    tools=tools,
    llm=OpenAI(model="gpt-4o"),
    system_prompt="You have access to Working Capital Calculator tools.",
)
response = await agent.run("List recent Working Capital Calculator data")

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Common questions about Working Capital Calculator MCP in LlamaIndex

Install the tools package and initialize the BasicMCPClient with your endpoint. Convert the spec to a tool list and pass it to your FunctionAgent.

Yes. Use the allowed_tools parameter when setting up your agent. This restricts the agent to only call the specific financial metrics you want it to access.

It processes Days Inventory Outstanding, Days Sales Outstanding, Days Payable Outstanding, and company turnover. It doesn't touch payroll or customer PII.

No. The server calculates the metrics and returns them. LlamaIndex handles the indexing and vector storage on your own infrastructure.

Set include_resources to true when configuring your tool spec. This allows your agent to access additional data endpoints provided by the MCP alongside the standard tools.

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