How do I find my Wherefour API Key and Secret?

Log in to your Wherefour account, navigate to **Settings** > **API**, and generate a new set of credentials for your integration.

Can the agent check lot availability for a specific item?

Yes! Use the `list_stock_lots` tool to retrieve all available batches and their current quantities for any item in your catalog.

INSTANT PLUG AND PLAY

Wherefour MCP Server for OpenAI Agents SDKGive OpenAI Agents SDK instant access to 12 tools to Get Inventory Item, Get Order, List Customers, and more

Name: Wherefour
Availability: InStock
Author: Vinkius

Built by Vinkius GDPR 12 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Wherefour through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

Use with Your AI Agent

Ask AI about this App Connector for OpenAI Agents SDK

Open in ChatGPT Open in Claude Open in Perplexity

The Wherefour app connector for OpenAI Agents SDK is a standout in the Industry Titans category — giving your AI agent 12 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

python

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

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="Wherefour Assistant",
            instructions=(
                "You help users interact with Wherefour. "
                "You have access to 12 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Wherefour"
        )
        print(result.final_output)

asyncio.run(main())

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* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Wherefour MCP Server

Connect your Wherefour account to any AI agent to automate your inventory management, production tracking, and lot traceability. Wherefour provides a specialized ERP platform for manufacturers and producers to maintain end-to-end transparency across their supply chain.

The OpenAI Agents SDK auto-discovers all 12 tools from Wherefour through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Wherefour, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

Inventory & Catalog Orchestration — List and search inventory items with detailed metadata, including product codes and manufacturing specifications.
Lot Traceability — Access stock lot details and batch information to maintain comprehensive quality control and compliance.
Order Management — Retrieve and monitor sales orders and production orders to keep your manufacturing workflow on track.
Stakeholder Directory — Access and manage your database of customers, vendors, and suppliers programmatically.
Financial Insights — Retrieve billing invoices and purchase records directly from the AI interface to monitor operational costs.
Resource Navigation — Explore storage locations and manufacturing formulas using natural language commands.

The Wherefour MCP Server exposes 12 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 12 Wherefour tools available for OpenAI Agents SDK

When OpenAI Agents SDK connects to Wherefour through Vinkius, your AI agent gets direct access to every tool listed below — spanning lot-traceability, production-tracking, manufacturing, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

get_inventory_item

Get details of a specific inventory item

get_order

Get details of a specific order

list_customers

List all customers

list_formulas

List production formulas/recipes

list_inventory_items

List all inventory items

list_invoices

List customer invoices

list_locations

List storage locations

list_orders

List all sales and production orders

list_purchases

List purchase records

list_stock_lots

List all stock lots

list_vendors

List all vendors/suppliers

search_inventory

Search for inventory items

Connect Wherefour to OpenAI Agents SDK via MCP

Follow these steps to wire Wherefour into OpenAI Agents SDK. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 12 tools from Wherefour

Why Use OpenAI Agents SDK with the Wherefour MCP Server

OpenAI Agents SDK provides unique advantages when paired with Wherefour through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

Wherefour + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Wherefour MCP Server delivers measurable value.

Automated workflows: build agents that query Wherefour, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries Wherefour, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through Wherefour tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Wherefour to resolve tickets, look up records, and update statuses without human intervention

Example Prompts for Wherefour in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with Wherefour immediately.

"Search our inventory for 'Organic Cane Sugar' and pull up the production formula that uses it for the upcoming beverage batch."

"Check the lot traceability for batch 'L-2024-QT3' of Arabica Coffee Beans and tell me which warehouse location it is currently stored in."

"List all pending production orders for 'Acme Supermarkets' and verify if their latest invoice from last month has been paid."

Troubleshooting Wherefour MCP Server with OpenAI Agents SDK

Common issues when connecting Wherefour to OpenAI Agents SDK through the Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Wherefour + OpenAI Agents SDK FAQ

Common questions about integrating Wherefour MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.

Can I use multiple MCP servers in one agent?

Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.

Does the SDK support streaming responses?

Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.