How to Use the NAICS/SIC Classification API MCP in OpenAI Agents SDK

Q: How does my agent know if the service is down?

It can call the checkapistatus tool. This function returns the operational status and current version of the classification database. You can build logic for your agent to pause its tasks or notify you if the service is unavailable.

Automate company classification in production OpenAI Agents SDK agents. Get reliable NAICS and SIC codes without the guesswork.

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Connect NAICS/SIC Classification API MCP to OpenAI Agents SDK

Create your Vinkius account to connect NAICS/SIC Classification API 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 NAICS/SIC Classification API with OpenAI Agents SDK

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Build Auditable Classification Workflows

Give your agent the tools to search official industry codes. It can take a company description, run `search_naics_codes` to find potential matches, and then use `get_classification_details` to confirm the right one. The entire process is traceable through the OpenAI dashboard. This isn't just a simple lookup. You can build multi-agent systems where one agent finds codes and a second, specialized agent validates them against your own business rules before committing a change. The SDK's built-in guardrails mean you control what actions are approved, so your agent won't misclassify a customer record without explicit sign-off.

Find Both Modern and Legacy Codes

This server handles both NAICS and the older SIC system. Your agent can use `search_naics_codes` for current classifications required for federal contracts or new reporting standards. It’s fast and pulls from the latest official data. For legacy data cleanup, your agent just calls `search_sic_codes`. It can process a backlog of old customer records, find the correct 1987 SIC code, and standardize your database. No more manual lookups or dealing with outdated spreadsheets.

Integrate with Your MCP Server in Minutes

Connecting this MCP server to your agent is straightforward. You instantiate the server connection and pass it to your agent on creation. The tools—`search_naics_codes`, `search_sic_codes`, and `get_classification_details`—are discovered automatically. There's no need to write custom function-calling schemas or parsers. The OpenAI Agents SDK handles the tool protocol for you. Set `cacheToolsList=True` and your agent won't have to re-fetch the tool definitions on every run, which is exactly what you want for a production setup.

Setup guide

Set up NAICS/SIC Classification API 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 NAICS/SIC Classification API tools at runtime.
3

Create your Agent

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

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate NAICS/SIC Classification API 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="NAICS/SIC Classification API Agent",
            instructions="You have access to NAICS/SIC Classification API 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 NAICS/SIC Classification API MCP in OpenAI Agents SDK

Your agent can pull a company name from a database, use the `search_naics_codes` tool to find its industry code, and log the result. This creates a verifiable audit trail for compliance or financial reporting, all tracked within the OpenAI dashboard.

Yes. While the SDK auto-discovers all tools, you implement guardrails in your code to approve or deny specific actions. You can programmatically block the agent from using a tool like `search_sic_codes` if you only want it working with modern NAICS data.

You get a managed, reliable data source without the maintenance. This MCP server handles the data, and the SDK provides the safety and observability. It’s a faster and more secure way to build a production-grade classification agent.

It can call the `check_api_status` tool. This function returns the operational status and current version of the classification database. You can build logic for your agent to pause its tasks or notify you if the service is unavailable.

The server only processes the company descriptions or industry codes you send in your search queries. Vinkius uses ephemeral, sandboxed containers for each request, so your query data is discarded after the job is done. Nothing is stored or logged long-term.

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