Bring Whatsapp Automation
to LangChain
Create your Vinkius account to connect 2Chat to LangChain and start using all 5 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the 2Chat MCP Server?
Unlock the full potential of WhatsApp automation with 2Chat, the programmable gateway now integrated with your AI agent. By connecting 2Chat via the Model Context Protocol, you transcend the limitations of traditional messaging apps. Your agent can now orchestrate complex group workflows, verify phone numbers before sending, and manage multi-device communications through simple natural language. Whether you're coordinating team alerts or engaging with a community, 2Chat gives your AI the 'voice' it needs on the world's most popular messaging platform.
What you can do
- Programmable Messaging — Send text, images, PDF, and voice messages to any WhatsApp number without template restrictions.
- Group Management — Create groups, add participants, and send group-wide announcements directly from your chat interface.
- Number Verification — Check if a phone number is registered on WhatsApp before sending to improve delivery success.
- Webhooks & Real-time — Monitor incoming messages and delivery status (sent, delivered, read) seamlessly.
- Multi-Device Support — Link multiple WhatsApp numbers to a single API workspace for unified communications.
How it works
- Subscribe to this server
- Enter your 2Chat API Key
- Start managing your WhatsApp communications through Claude, Cursor, or any MCP-compatible client
Who is this for?
- Marketing Teams — run flexible campaigns and engage with customers in groups
- Developers — build custom WhatsApp workflows with a straightforward REST API
- Operations Managers — automate internal team notifications via WhatsApp groups
- Community Managers — manage large WhatsApp communities and announcements with ease
Built-in capabilities (5)
Helps prevent failed delivery errors. Verify if a phone number is registered on WhatsApp
Create a new WhatsApp group with specified participants
List all WhatsApp groups that a connected number belongs to
Use this to identify which "from_number" to use in subsequent sending actions. List all WhatsApp phone numbers connected to your 2Chat account
Can send text or public URL media to direct numbers or a specific group UUID. Send a WhatsApp text or media message using a connected number
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with 2Chat through native MCP adapters. Connect 5 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.
- —
The largest ecosystem of integrations, chains, and agents. combine 2Chat 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 2Chat queries for multi-turn workflows
2Chat in LangChain
Why run 2Chat with Vinkius?
The 2Chat connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 5 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect 2Chat using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
2Chat and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect 2Chat to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
2Chat for LangChain
Every request between LangChain and 2Chat is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
Can I manage WhatsApp groups with this server?
Yes! 2Chat provides dedicated tools to create groups, list groups your number belongs to, and send messages to group UUIDs.
Do I need official WhatsApp Business API approval?
No. 2Chat works by linking your existing WhatsApp number (Personal or Business) via a QR code, so you don't need official Meta approval or template restrictions.
How can I check if a number is on WhatsApp?
You can use the check_number tool to verify if a specific phone number is registered on WhatsApp before attempting to send a message.
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
Explore More MCP Servers
View all →
Deterministic Math Expression Evaluator
1 toolsEquip your AI with flawless algebraic parsing. Safely evaluate complex mathematical string expressions without using vulnerable `eval()` execution.

Grid
12 toolsTurn spreadsheet data into interactive dashboards and visual stories that make numbers accessible to every stakeholder.

Legal Fees Apportionment Engine
1 toolsSplit judicial awards and attorney fees across multiple parties with exact, auditable proportional math.

Podchaser Podcast API
4 toolsSearch global podcasts — audit episodes, hosts, and ratings via AI.
