better-auth-mcp-server MCP Server

What is better-auth-mcp-server?

better-auth-mcp-server is an MCP server for authentication management, providing enterprise-grade secure credential handling with AES-256 encryption, multi-protocol support (OAuth2, SAML, LDAP), and real-time threat detection. It is designed for developers using MCP-compatible clients like Claude Desktop who need to set up, migrate, or audit authentication in their projects.

How to use better-auth-mcp-server?

Install via Smithery with npx @smithery/cli install @nahmanmate/better-auth-mcp-server, or manually add the server configuration to your Claude Desktop config file. Set required environment variables BETTER_AUTH_PROJECT_ID and BETTER_AUTH_API_KEY. Use tools such as setup_better_auth, test_auth_flows, and generate_migration_plan to manage authentication.

Key features of better-auth-mcp-server

• AES-256 encrypted credential management
• Multi-protocol authentication (OAuth2, SAML, LDAP)
• Real-time threat detection and prevention
• Project analysis and auth setup recommendations
• Migration planning from Auth.js/NextAuth
• Auth flow testing and security checks (OWASP-aligned)

Use cases of better-auth-mcp-server

• Initialize Better-Auth in a new project with full configuration
• Analyze an existing codebase to detect auth.js/next-auth implementations
• Generate step-by-step migration plans from legacy auth libraries
• Validate login, register, reset, and 2FA flows in development
• Run security audits and monitor authentication logs for anomalies

FAQ from better-auth-mcp-server

What environment variables are required?

You must set BETTER_AUTH_PROJECT_ID and BETTER_AUTH_API_KEY. Optionally configure BETTER_AUTH_ENV and LOG_LEVEL.

How do I install better-auth-mcp-server?

Use the Smithery CLI: npx @smithery/cli install @nahmanmate/better-auth-mcp-server --client claude. Alternatively, manually add the server JSON to your Claude Desktop config file.

How can I debug the server?

Run npm run inspector to launch the MCP Inspector, which provides a browser-based debugging interface for the server.

What authentication protocols does it support?

It supports OAuth2, SAML, and LDAP for multi-protocol authentication.

What tools are included?

Core tools include analyze_project, setup_better_auth, analyze_current_auth, generate_migration_plan, test_auth_flows, test_security, analyze_logs, and monitor_auth_flows.