git clone https://github.com/better-auth-mcp-server/better-auth-mcp-server.git
cd better-auth-mcp-server
npm install

npm run build

npm run watch

# Required
BETTER_AUTH_PROJECT_ID=your-project-id
BETTER_AUTH_API_KEY=your-api-key

# Optional
BETTER_AUTH_ENV=development|staging|production
LOG_LEVEL=info|debug|error

npx -y @smithery/cli install @nahmanmate/better-auth-mcp-server --client claude

{
  "mcpServers": {
    "better-auth-mcp-server": {
      "command": "node",
      "args": ["/path/to/better-auth-mcp-server/build/index.js"],
      "disabled": false,
      "alwaysAllow": []
    }
  }
}

npm run inspector

// Initialize Better-Auth in your project
await mcp.useTool('setup_better_auth', {
  projectPath: './my-next-app',
  config: {
    projectId: process.env.BETTER_AUTH_PROJECT_ID,
    apiKey: process.env.BETTER_AUTH_API_KEY
  }
});

// Test core authentication flows
await mcp.useTool('test_auth_flows', {
  flows: ['login', 'register', '2fa']
});

// Analyze current auth implementation
await mcp.useTool('analyze_current_auth', {
  projectPath: './my-next-app'
});

// Generate migration steps
await mcp.useTool('generate_migration_plan', {
  projectPath: './my-next-app',
  currentAuthType: 'next-auth'
});