WhatsStyle MCP Server

A Model Context Protocol (MCP) server with Grok AI integration for intelligent WhatsApp messaging.

Features

• MCP Protocol - Official Go SDK compliance
• Grok AI - X.AI powered responses with conversation context
• WhatsApp Ready - Business API webhook support
• SQLite Database - Message persistence and user management
• Production Ready - Docker, CI/CD, monitoring

Quick Start

Prerequisites

• Go 1.21+
• SQLite3
• Grok API key from X.AI

Installation

git clone https://github.com/sinhaparth5/whatstyle-mcp.git
cd whatstyle-mcp
go mod download

Configuration

# Copy environment template
cp .env.example .env

# Edit with your API keys
GROK_API_KEY=xai-your_actual_key_here
PORT=8080

Run

# Build and run
make build
./bin/mcp-server

# Or run directly
go run cmd/server/main.go

API Endpoints

• GET /health - Server health check
• POST /mcp - MCP protocol endpoint
• GET /tools - Available MCP tools
• POST /webhook - WhatsApp webhook handler

MCP Tools

Chat Tool

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "chat",
    "arguments": {
      "user_id": "user123",
      "message": "Hello!"
    }
  }
}

History Tool

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "history",
    "arguments": {
      "user_id": "user123",
      "limit": 10
    }
  }
}

Development

Quality Checks

make quality      # All checks + 80% coverage
make lint         # Code linting
make test         # Run tests
make security     # Security scan

Coverage

make test-coverage           # Generate HTML report
make test-coverage-threshold # Check 80% minimum

Deployment

Docker

docker build -t whatsapp-mcp-server .
docker run -p 8080:8080 -e GROK_API_KEY=your_key whatsapp-mcp-server

Railway/Heroku

Set environment variables and deploy from GitHub.

Environment Variables

Variable	Description	Default
GROK_API_KEY	X.AI Grok API key	Required
PORT	Server port	8080
DATABASE_PATH	SQLite database path	./mcp_server.db
GROK_MODEL	Grok model to use	grok-beta

Architecture

WhatsApp → Webhook → MCP Server → Grok AI → Response
                         ↓
                   SQLite Database

License

Licensed under the Apache License 2.0. See LICENSE for details.

Support

• GitHub Issues for bugs and features
• X.AI Documentation for Grok API
• MCP Specification for protocol details