How to Use the Bexio MCP in OpenAI Agents SDK

Q: How do I configure Bexio tool discovery in the OpenAI Agents SDK?

Install the package with pip install openai-agents and initialize MCPServerStreamableHttp with your Vinkius endpoint. Pass the server instance inside the mcpservers list when creating your Agent, and the SDK will automatically map all ten Swiss ERP tools over MCP.

Run your Swiss business operations securely by linking Bexio to your OpenAI Agents SDK pipeline.

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Connect Bexio MCP to OpenAI Agents SDK

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

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Guarded contact creation via OpenAI Agents SDK

Your OpenAI agents can now generate new CRM entries without risking malformed payload errors by using `create_contact` via this MCP connection. This setup means your sales agent can hand off the workflow to a billing agent. The billing agent then uses `get_contact` to pull address details, ensuring zero manual data entry when onboarding new clients.

Traceable invoice audits using this MCP Server

Debugging financial workflows shouldn't require digging through raw log files when your agent calls `list_invoices` or `get_invoice`. You see exactly what parameters the model passed to the MCP Server. If a billing run fails, you can spot whether the agent looked up the wrong invoice ID or misread the payment status.

High-performance inventory checks with cached tools

Slow API calls kill agent execution loops when pulling inventory data using `list_items`. Your agent rapidly checks stock levels and builds customer proposals via `list_offers` without lagging. This keeps your autonomous agents running at native speed.

Setup guide

Set up Bexio 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 Bexio tools at runtime.
3

Create your Agent

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

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Bexio 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="Bexio Agent",
            instructions="You have access to Bexio tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about Bexio MCP in OpenAI Agents SDK

Install the package with `pip install openai-agents` and initialize `MCPServerStreamableHttp` with your Vinkius endpoint. Pass the server instance inside the `mcp_servers` list when creating your Agent, and the SDK will automatically map all ten Swiss ERP tools over MCP.

Yes, you can design a dispatcher agent that routes tasks to specialized agents. For example, a sales agent can gather lead details, then hand off to an accounting agent that uses `create_contact` to register the new customer in your Swiss ERP account.

The SDK inspects the tool schema exposed by the MCP Server before executing any calls. If your agent tries to call `get_invoice` with an invalid ID format, the SDK blocks the request at the guardrail level before hitting the API.

No, you do not. The MCP Server exposes the tools out of the box, meaning your python script just needs the single Vinkius URL connection to access everything from tracking projects to listing users.

Your invoices, contacts, orders, and project lists are routed through Vinkius's isolated V8 sandboxes. No customer financial data is ever stored on our servers, and we use single-token authorization to keep your Swiss accounting records completely locked down.

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