Nutshell CRM MCP Server for LangChain 10 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Nutshell CRM through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
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({
"nutshell-crm": {
"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 Nutshell CRM, show me what tools are available.",
}]
})
print(response["messages"][-1].content)
asyncio.run(main())
* 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 Nutshell CRM MCP Server
Connect your Nutshell CRM account to your AI agent and take control of your sales pipeline and customer relationships through natural conversation using their JSON-RPC API.
LangChain's ecosystem of 500+ components combines seamlessly with Nutshell CRM through native MCP adapters. Connect 10 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
- Lead Management — List and search for sales leads, and retrieve complete metadata, values, and pipeline stages.
- Relationship Tracking — Access your entire database of individual contacts and business accounts with deep profile inspection.
- Activity Monitoring — View a list of all tasks, calls, and meetings, and browse through available activity types.
- Universal Search — Perform a global keyword search across leads, contacts, and accounts simultaneously.
- Custom Data Access — Retrieve definitions for all custom fields configured in your Nutshell instance.
- Deep Inspection — Fetch complete metadata for specific records using their unique IDs.
The Nutshell CRM MCP Server exposes 10 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 Nutshell CRM to LangChain via MCP
Follow these steps to integrate the Nutshell CRM MCP Server with LangChain.
Install dependencies
Run pip install langchain langchain-mcp-adapters langgraph langchain-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save the code and run python agent.py
Explore tools
The agent discovers 10 tools from Nutshell CRM via MCP
Why Use LangChain with the Nutshell CRM MCP Server
LangChain provides unique advantages when paired with Nutshell CRM through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Nutshell CRM MCP tools with 500+ LangChain components
Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
Memory and conversation persistence let agents maintain context across Nutshell CRM queries for multi-turn workflows
Nutshell CRM + LangChain Use Cases
Practical scenarios where LangChain combined with the Nutshell CRM MCP Server delivers measurable value.
RAG with live data: combine Nutshell CRM tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Nutshell CRM, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Nutshell CRM tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Nutshell CRM tool call, measure latency, and optimize your agent's performance
Nutshell CRM MCP Tools for LangChain (10)
These 10 tools become available when you connect Nutshell CRM to LangChain via MCP:
get_account_details
Get specific account info
get_contact_details
Get specific contact details
get_lead_details
Get specific lead info
list_accounts
Find and list business accounts
list_activities
List CRM activities
list_activity_types
g. Phone Call, Email) available for logging. List available activity types
list_contacts
Find and list people/contacts
list_custom_fields
List CRM custom fields
list_leads
Find and list CRM leads
universal_search
Search across all entities
Example Prompts for Nutshell CRM in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Nutshell CRM immediately.
"List my most recent sales leads."
"Search for any contact or lead related to 'Dunder Mifflin'."
"What are my upcoming activities and meetings?"
Troubleshooting Nutshell CRM MCP Server with LangChain
Common issues when connecting Nutshell CRM to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersNutshell CRM + LangChain FAQ
Common questions about integrating Nutshell CRM MCP Server with LangChain.
How does LangChain connect to MCP servers?
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?
Can I trace MCP tool calls in LangSmith?
Connect Nutshell CRM with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Nutshell CRM to LangChain
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.