Bring Lot Traceability
to LangChain
Learn how to connect Wherefour to LangChain and start using 12 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the 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.
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.
How it works
1. Subscribe to this server
2. Enter your Wherefour API Key and API Secret from your account settings
3. Select your environment (Production or Sandbox)
4. Start managing your ERP and inventory from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Operations Managers — quickly check stock levels and production order statuses without switching apps.
- Quality Control Teams — track lot traceability and batch metadata via natural conversation.
- Inventory Controllers — streamline item searches and vendor management through simple AI commands.
Built-in capabilities (12)
Get details of a specific inventory item
Get details of a specific order
List all customers
List production formulas/recipes
List all inventory items
List customer invoices
List storage locations
List all sales and production orders
List purchase records
List all stock lots
List all vendors/suppliers
Search for inventory items
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Wherefour through native MCP adapters. Connect 12 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
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The largest ecosystem of integrations, chains, and agents. combine Wherefour MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Wherefour queries for multi-turn workflows
Wherefour in LangChain
Wherefour and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Wherefour to LangChain through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Wherefour in LangChain
The Wherefour 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. All 12 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in LangChain only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.
* 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
How Vinkius secures
Wherefour for LangChain
Every tool call from LangChain to the Wherefour MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
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.
How does LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters