ToolJet MCP Server for LangChainGive LangChain instant access to 4 tools to Insert Row, List Tables, Query Table, and more

Name: ToolJet
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect ToolJet 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 ToolJet MCP Server for LangChain is a standout in the Developer Tools category — giving your AI agent 4 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

Claude

ChatGPT

Cursor

Gemini

Windsurf

VS Code

JetBrains

Vercel

+ 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({
        "tooljet": {
            "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 ToolJet, 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 ToolJet MCP Server

Connect your ToolJet workspace to any AI agent to interact with your internal databases and automate business logic through natural language.

LangChain's ecosystem of 500+ components combines seamlessly with ToolJet through native MCP adapters. Connect 4 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

Database Exploration — List all available tables within your ToolJet Database to understand your data structure.
Advanced Querying — Execute SQL SELECT queries on your tables to retrieve specific records, filter data, and generate insights.
Data Entry — Insert new rows into your database tables directly from the chat interface using structured JSON data.
Workflow Automation — Trigger complex ToolJet Workflows via webhooks, passing custom payloads to start automated business processes.

The ToolJet MCP Server exposes 4 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 4 ToolJet tools available for LangChain

When LangChain connects to ToolJet through Vinkius, your AI agent gets direct access to every tool listed below — spanning low-code, internal-tools, sql-query, 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.

insert

Insert row on ToolJet

Insert a new row into a ToolJet Database table

list

List tables on ToolJet

List all tables in the ToolJet Database

query

Query table on ToolJet

Use this for reading data (SELECT). Perform a SQL query on a ToolJet Database table

trigger

Trigger workflow on ToolJet

Trigger a ToolJet Workflow via Webhook

Connect ToolJet to LangChain via MCP

Follow these steps to wire ToolJet 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 4 tools from ToolJet via MCP

Why Use LangChain with the ToolJet MCP Server

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

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

ToolJet + LangChain Use Cases

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

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

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

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

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

Example Prompts for ToolJet in LangChain

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

"List all the tables available in my ToolJet Database."

"Run a query to find all orders with a status of 'pending' in organization 'org_123'."

"Trigger the workflow 'wf_987' with the payload {"user_id": "123", "action": "reset"}."

Troubleshooting ToolJet MCP Server with LangChain

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

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

ToolJet + LangChain FAQ

Common questions about integrating ToolJet 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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