Skip to main content

Announcing StackOne Defender: leading open-source prompt injection guard for your agent • Read More →

Connect

Connectors Agent Auth MCP Connector Builder

Optimize

Tool Discovery Falcon Engine

Secure

Defender
Connectors

HRIS / HCM

Employee Onboarding Employee Offboarding

Recruiting

Application Screening Interview Scheduling

Customer Support

Ticket Triage Voice Call Summarization

Sales & CRM

Deal Risk Scoring Lead Qualification

Accounting & Finance

Invoice Processing Month-End Accruals

Marketing

Campaign Reports Lead Nurture Sequences
View all use cases

Developers

Docs Changelog Status

Learn

Blog Case Studies Events Partners
Pricing
Login Book Demo Start Free

WhatsApp Business MCP Server
for AI Agents

Production-ready WhatsApp Business MCP server with 58 extensible actions — plus built-in authentication, security, and optimized execution.

Start Free Book Demo Read Docs →
WhatsApp Business logo
WhatsApp Business MCP Server
Built by StackOne StackOne

Coverage

58 Agent Actions

Create, read, update, and delete across WhatsApp Business — and extend your agent's capabilities with custom actions.

MCP Actions → Create Actions →

Authentication

Agent Tool Authentication

Per-user OAuth in one call. Your WhatsApp Business MCP server gets session-scoped tokens with zero credentials stored on your infra.

Agent Auth →

Security

Agent Protection

Every WhatsApp Business tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.

Prompt Injection Defense →

Performance

Max Agent Context. Min Cost.

Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every WhatsApp Business call.

Tools Discovery →

What is the WhatsApp Business MCP Server?

A WhatsApp Business MCP server lets AI agents read and write WhatsApp Business data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's WhatsApp Business MCP server ships with 58 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.

All WhatsApp Business MCP Tools and Actions

Every action from WhatsApp Business's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.

Message Templates

  • Create Message Template

    Create a new message template for the WhatsApp Business Account.

  • List Message Templates

    List all message templates for the WhatsApp Business Account.

  • Get Message Template

    Get details of a specific message template.

  • Update Message Template

    Update an existing message template.

  • Delete Message Template

    Delete a message template.

Phone Numbers

  • List Phone Numbers

    List all phone numbers for the WhatsApp Business Account.

  • Get Phone Number

    Get details of a specific phone number.

Business Profiles

  • Get Business Profile

    Get the business profile information.

  • Update Business Profile

    Update the business profile information including about text, address, description, email, websites, and industry category.

WhatsApp Business Accounts

  • Get WhatsApp Business Account

    Get details of the WhatsApp Business Account.

  • Update WhatsApp Business Account

    Update configuration and settings for the WhatsApp Business Account.

Schedules

  • Create Schedule

    Create a schedule for the WhatsApp Business Account.

  • Get Schedules

    Get schedules for the WhatsApp Business Account.

Groups

  • Create Group

    Create a new WhatsApp group for business messaging.

  • Get Group

    Get metadata about a WhatsApp group.

  • List Groups

    Get a list of active WhatsApp groups for a business phone number.

  • Update Group

    Update a WhatsApp group's subject, description, or profile picture.

  • Delete Group

    Delete a WhatsApp group and remove all participants.

Group Invite Links

  • Get Group Invite Link

    Get the current invite link for a WhatsApp group.

  • Delete Group Invite Link

    Delete an existing invite link for a WhatsApp group.

Assigned Users

  • Add Assigned User

    Add a user to the WhatsApp Business Account with specified permissions.

  • Get Assigned Users

    Get users assigned to the WhatsApp Business Account with their permissions.

  • Remove Assigned User

    Remove a user's access from the WhatsApp Business Account.

Other (35)

  • Send Text Message

    Send a text message to a WhatsApp user.

  • Send Template Message

    Send a pre-approved template message to a WhatsApp user.

  • Send Image Message

    Send an image message to a WhatsApp user.

  • Send Video Message

    Send a video message to a WhatsApp user.

  • Send Audio Message

    Send an audio message to a WhatsApp user.

  • Send Document Message

    Send a document to a WhatsApp user.

  • Send Location Message

    Send a location to a WhatsApp user.

  • Send Contact Message

    Send contact information to a WhatsApp user.

  • Send Interactive Message

    Send an interactive message with buttons or lists.

  • Send Reaction

    Send a reaction emoji to a message.

  • Send Sticker Message

    Send a sticker to a WhatsApp user.

  • Send Group Invite Template

    Send a template message with a group invite link to a WhatsApp user.

  • Send Group Message

    Send a text message to a WhatsApp group.

  • Get Message History

    Retrieve paginated message history including delivery status events and webhook information.

  • List Blocked Users

    Get a list of all blocked users for a phone number.

  • Get Call Permissions

    Check whether you have permission to call a WhatsApp user.

  • Get Subscribed Apps

    Get list of applications subscribed to webhook events for the WhatsApp Business Account.

  • Get Join Requests

    Get pending join requests for a WhatsApp group.

  • List Business Users

    List all business users associated with the Business account.

  • List System Users

    List all system users associated with the Business account.

  • Set Two-Step Verification PIN

    Set or update the two-step verification PIN for the phone number.

  • Set Conversational Automation

    Configure conversational automation settings for a phone number.

  • Remove Group Participants

    Remove participants from a WhatsApp group.

  • Mark Message As Read

    Mark an incoming message as read, displaying blue check marks to the sender.

  • Register Phone Number

    Register a phone number for WhatsApp Business.

  • Deregister Phone Number

    Deregister a phone number from WhatsApp Business.

  • Request Verification Code

    Request a verification code for a phone number.

  • Verify Code

    Verify a phone number with the received verification code.

  • Block Users

    Block one or more users from sending messages to your business number.

  • Unblock Users

    Unblock one or more previously blocked users.

  • Manage Call

    Initiate, accept, reject, terminate, or manage a WhatsApp call.

  • Reset Group Invite Link

    Reset and generate a new invite link for a WhatsApp group.

  • Approve Join Requests

    Approve one or more pending join requests for a WhatsApp group.

  • Reject Join Requests

    Reject one or more pending join requests for a WhatsApp group.

  • Invite Business User

    Invite a user to the Business account by email with a specified role.

Set Up Your WhatsApp Business MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to WhatsApp Business in under 10 lines of code.

MCP Clients

Agent Frameworks

Claude Desktop
{
  "mcpServers": {
    "stackone": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://api.stackone.com/mcp?x-account-id=<account_id>",
        "--header",
        "Authorization: Basic <YOUR_BASE64_TOKEN>"
      ]
    }
  }
}

More Communication MCP Servers

Discord

145+ actions

Basecamp

118+ actions

Webex

100+ actions

SendGrid

99+ actions

Braze

98+ actions

Mailgun

81+ actions

JustCall

73+ actions

All Communication MCP Servers →

WhatsApp Business MCP Server Resources

MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

10 min

Indirect Prompt Injection Defense for MCP Tools: A Technical Guide

MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.

12 min

WhatsApp Business MCP Server FAQ

WhatsApp Business MCP server vs direct API integration — what's the difference?
A WhatsApp Business MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling WhatsApp Business. A WhatsApp Business MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling WhatsApp Business at runtime. StackOne provides both.
How does WhatsApp Business authentication work for AI agents?
WhatsApp Business authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own WhatsApp Business account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.
Are WhatsApp Business MCP tools vulnerable to prompt injection?
Yes — WhatsApp Business MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a WhatsApp Business agent and how do I avoid it?
Context bloat happens when WhatsApp Business tool schemas and API responses eat your WhatsApp Business agent's memory, preventing it from reasoning effectively. A single WhatsApp Business query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my WhatsApp Business agent can access?
Yes — you can limit which actions your WhatsApp Business agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my WhatsApp Business MCP server?
Yes — you can create custom agent actions for your WhatsApp Business MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research WhatsApp Business's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a WhatsApp Business MCP server?
Skip a WhatsApp Business MCP server if your integration is purely software-to-software — direct WhatsApp Business API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call WhatsApp Business actions at runtime.
What AI frameworks and AI clients does the StackOne WhatsApp Business MCP server support?
The StackOne WhatsApp Business MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

Put your AI agents to work

All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.

Start Free Book Demo