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CellarPass MCP Server for LangChain 8 tools — connect in under 2 minutes

Built by Vinkius GDPR 8 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect CellarPass through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Vinkius supports streamable HTTP and SSE.

python
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "cellarpass": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using CellarPass, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())
CellarPass
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 CellarPass MCP Server

Connect your CellarPass tasting room to any AI agent and transform how you manage guest experiences.

LangChain's ecosystem of 500+ components combines seamlessly with CellarPass through native MCP adapters. Connect 8 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.

What you can do

  • Reservations — View today's bookings, upcoming reservations, and guest details by date
  • Experiences — Browse all tasting experiences: Reserve Tasting, Vineyard Tour, Food & Wine Pairing, Private Cellar
  • Availability — Check open time slots for any experience on any date
  • Venues — Manage multiple tasting room locations with hours and capacity
  • Guests — Search guest profiles: visit history, favorite experiences, spending, and VIP status

The CellarPass MCP Server exposes 8 tools through the Vinkius. Connect it to LangChain in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect CellarPass to LangChain via MCP

Follow these steps to integrate the CellarPass MCP Server with LangChain.

01

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

03

Run the agent

Save the code and run python agent.py

04

Explore tools

The agent discovers 8 tools from CellarPass via MCP

Why Use LangChain with the CellarPass MCP Server

LangChain provides unique advantages when paired with CellarPass through the Model Context Protocol.

01

The largest ecosystem of integrations, chains, and agents. combine CellarPass MCP tools with 500+ LangChain components

02

Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

03

LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

04

Memory and conversation persistence let agents maintain context across CellarPass queries for multi-turn workflows

CellarPass + LangChain Use Cases

Practical scenarios where LangChain combined with the CellarPass MCP Server delivers measurable value.

01

RAG with live data: combine CellarPass tool results with vector store retrievals for answers grounded in both real-time and historical data

02

Autonomous research agents: LangChain agents query CellarPass, synthesize findings, and generate comprehensive research reports

03

Multi-tool orchestration: chain CellarPass tools with web scrapers, databases, and calculators in a single agent run

04

Production monitoring: use LangSmith to trace every CellarPass tool call, measure latency, and optimize your agent's performance

CellarPass MCP Tools for LangChain (8)

These 8 tools become available when you connect CellarPass to LangChain via MCP:

01

check_availability

Essential for booking coordination. Check booking availability

02

get_experience

Get experience details

03

get_reservation

For pre-visit preparation. Get reservation details

04

get_venue

Get venue details

05

list_experiences

With pricing, duration, capacity, and description. List tasting experiences

06

list_reservations

Filter by date for daily planning. THE core tool for tasting room managers — "Who's coming today?" List tasting reservations

07

list_venues

For multi-location wineries. List tasting venues

08

search_guests

Returns visit history, favorite experiences, spending, and VIP status. For personalized hospitality. Search guests

Example Prompts for CellarPass in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with CellarPass immediately.

01

"What reservations do we have for this Saturday?"

02

"Open a slot for Vineyard Tour tomorrow at 2PM."

03

"Look up John Doe's past visits and favored pairings."

Troubleshooting CellarPass MCP Server with LangChain

Common issues when connecting CellarPass to LangChain through the Vinkius, and how to resolve them.

01

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

CellarPass + LangChain FAQ

Common questions about integrating CellarPass MCP Server with LangChain.

01

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.
02

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.
03

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.

Connect CellarPass to LangChain

Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.