How to Use the Finmei MCP in OpenAI Agents SDK

Q: How does the Finmei MCP Server handle authentication within OpenAI Agents SDK?

You pass your Vinkius endpoint token directly into the MCPServerStreamableHttpParams configuration inside your OpenAI code. The MCP SDK manages session headers automatically, making all 12 Finmei tools instantly available to your agent.

Let OpenAI Agents SDK handle your Finmei expenses, payment records, and tax rates directly through production-ready guardrails.

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Connect Finmei MCP to OpenAI Agents SDK

Create your Vinkius account to connect Finmei to OpenAI Agents SDK 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 Finmei with OpenAI Agents SDK

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Control Finmei updates via OpenAI Agents SDK guardrails

Your OpenAI Agents SDK pipeline uses the `update_expense` tool to modify existing records with strict validation checks before execution. This production agent verifies budget thresholds first, preventing unauthorized changes to your Finmei ledger. You register this Finmei MCP Server directly inside the OpenAI Agents SDK stream. When the agent attempts to run `delete_expense`, the built-in OpenAI guardrails block the action to prevent accidental deletions.

Trace Finmei agent handoffs in your OpenAI dashboard

The `list_payments` tool fetches transaction histories while specialized OpenAI ledger agents hand off tasks to tax agents. Each step of the Finmei payment lookup appears inside your OpenAI tracing dashboard for auditing. If your OpenAI agent needs details on a specific transaction, it queries `get_payment` and passes the context to a tax-calculating agent. This multi-agent setup keeps your Finmei financial logic isolated and secure.

Audit your Finmei business profile and tax rates instantly

The `get_profile` tool retrieves your Finmei tax settings and active business configurations inside the OpenAI Agents SDK. Your agent parses this data to ensure every new transaction matches local compliance rules. By calling `list_tax_types` via the MCP, the OpenAI agent checks current tax brackets before executing `create_expense`. This mechanism prevents manual data entry errors and keeps your Finmei books consistent.

Setup guide

Set up Finmei MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all Finmei tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives Finmei tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Finmei tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="Finmei Agent",
            instructions="You have access to Finmei tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

Get your connection token →

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Common questions about Finmei MCP in OpenAI Agents SDK

You pass your Vinkius endpoint token directly into the `MCPServerStreamableHttpParams` configuration inside your OpenAI code. The MCP SDK manages session headers automatically, making all 12 Finmei tools instantly available to your agent.

Yes, you define active tool lists during OpenAI agent initialization to prevent access to destructive Finmei operations. For instance, you can expose `list_expenses` while completely blocking `delete_expense`.

Absolutely, the OpenAI SDK reads the MCP definition at runtime to map Finmei tools like `create_expense` and `list_categories` without manual coding. Setting `cacheToolsList=True` ensures your Finmei agent boots up in milliseconds.

The OpenAI SDK raises a standard connection exception that your financial agent handles via custom retry logic. You can configure specific timeout limits for Finmei directly inside the streamable HTTP parameters.

Your Finmei transaction records, tax rates, and payments remain inside an isolated V8 sandbox on Vinkius. No raw financial payloads are stored on our servers, ensuring your sensitive OpenAI ledger data never leaks to public training sets.

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