Security Authentication

Security: Authentication

This page details the security aspects of authentication in the GitHub MCP Server.

Secure Authentication

• Uses githubauthlib for token management
• Tokens stored in system keychain
• No tokens in environment variables or files
• Encrypted at rest
• Access requires system authentication

Secure Authentication Flow

sequenceDiagram
    participant User
    participant Keychain
    participant MCPServer
    participant GitHub
    User->>MCPServer: Start server
    MCPServer->>Keychain: Securely request token
    Keychain-->>MCPServer: Return encrypted token
    MCPServer->>GitHub: Authenticate API requests
    GitHub-->>MCPServer: API responses
    MCPServer-->>User: Tool results

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Related

• Security
• Best Practices