Novu MCP Server for LangChainGive LangChain instant access to 39 tools to Bulk Update Subscriber Preferences, Cancel Trigger, Check Topic Subscriber, and more

Name: Novu
Price: 29 USD
Availability: InStock
Rating: 4.9 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect Novu 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 for LangChain

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The Novu MCP Server for LangChain is a standout in the Developer Tools category — giving your AI agent 39 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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ChatGPT

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Gemini

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VS Code

JetBrains

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+ other MCP clients

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({
        "novu": {
            "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 Novu, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

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 Novu MCP Server

Connect your Novu account to any AI agent and take full control of your notification infrastructure through natural conversation.

LangChain's ecosystem of 500+ components combines seamlessly with Novu through native MCP adapters. Connect 39 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

Triggering & Events — Trigger single, bulk, or broadcast notifications across Email, SMS, Push, and Chat using workflow identifiers.
Subscriber Management — Create, retrieve, update, and search for subscribers to maintain an up-to-date communication database.
Preference Controls — Inspect and update subscriber-specific notification preferences to ensure compliance and user satisfaction.
Workflow Cancellation — Cancel active or pending workflows, such as digests or delayed notifications, using transaction IDs.
Tenant Context — Manage notifications within specific tenant contexts for multi-tenant applications.

The Novu MCP Server exposes 39 tools through the Vinkius. Connect it to LangChain in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 39 Novu tools available for LangChain

When LangChain connects to Novu through Vinkius, your AI agent gets direct access to every tool listed below — spanning notification-infrastructure, multi-channel, subscriber-management, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

bulk

Bulk update subscriber preferences on Novu

Bulk update subscriber preferences

cancel

Cancel trigger on Novu

Cancel active or pending workflows (e.g., digests, delays)

check

Check topic subscriber on Novu

Check if a subscriber is subscribed to a topic

create

Create environment variable on Novu

Create an environment variable

create

Create integration on Novu

Create a new integration

create

Create layout on Novu

Create a new layout

create

Create subscriber on Novu

Create a new subscriber

create

Create topic on Novu

Create a new topic

create

Create topic subscriptions on Novu

Create subscriptions for a topic

create

Create workflow on Novu

Create a new workflow

delete

Delete integration on Novu

Delete an integration

delete

Delete message on Novu

Delete a message

delete

Delete messages by transaction on Novu

Delete messages by transaction ID

delete

Delete subscriber on Novu

Delete a subscriber

delete

Delete subscriber credentials on Novu

Delete subscriber credentials

delete

Delete topic on Novu

Delete a topic

delete

Delete topic subscriptions on Novu

Delete subscriptions from a topic

get

Get environment variable usage on Novu

Retrieve usage of an environment variable

get

Get subscriber on Novu

Retrieve a subscriber by ID

get

Get subscriber preferences on Novu

Retrieve subscriber preferences

get

Get topic on Novu

Retrieve a topic by key

get

Get topic subscription on Novu

Retrieve a topic subscription

list

List active integrations on Novu

List active integrations

list

List environment variables on Novu

List all environment variables

list

List integrations on Novu

List all integrations

list

List messages on Novu

List messages

list

List topic subscriptions on Novu

List subscriptions for a topic

Search subscribers on Novu

Search for subscribers

set

Set primary integration on Novu

Set an integration as primary

trigger

Trigger broadcast on Novu

Send a notification to all existing subscribers

trigger

Trigger bulk event on Novu

Trigger multiple events in a single request

trigger

Trigger event on Novu

Trigger a notification to one or more subscribers

update

Update environment variable on Novu

Update an environment variable

update

Update integration on Novu

Update an integration

update

Update subscriber on Novu

Update an existing subscriber

update

Update subscriber credentials on Novu

Update subscriber credentials

update

Update subscriber preference on Novu

Update a subscriber preference

update

Update topic on Novu

Update a topic

upsert

Upsert subscriber credentials on Novu

Upsert subscriber credentials

Connect Novu to LangChain via MCP

Follow these steps to wire Novu into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

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 39 tools from Novu via MCP

Why Use LangChain with the Novu MCP Server

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

The largest ecosystem of integrations, chains, and agents. combine Novu 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 Novu queries for multi-turn workflows

Novu + LangChain Use Cases

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

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

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

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

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

Example Prompts for Novu in LangChain

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

"Trigger the 'welcome-onboarding' workflow for subscriber 'user_99' with the payload { "name": "Alice" }."

"Search for a subscriber with the email 'support@example.com'."

"Cancel the notification trigger with transaction ID 'tx_abc123'."

Troubleshooting Novu MCP Server with LangChain

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

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Novu + LangChain FAQ

Common questions about integrating Novu MCP Server with LangChain.

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.

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