remote-mcp-pingone

The server implements strong security practices for OAuth 2.1 and OIDC flows, including PKCE, Nonce, and robust CSRF protection with one-time use tokens and state binding to session via hashed cookies. Input sanitization for HTML rendering is present to prevent XSS. JWT validation for the downstream API checks signature, issuer, audience, and expiry using JWKS. Sensitive credentials are externalized to environment variables. The architecture leverages Cloudflare's secure serverless platform (Workers, Durable Objects, KV). While marked as a 'demo template' by its authors, the provided source code demonstrates adherence to security best practices for an OAuth/OIDC proxy. A minor deduction is made due to the inherent complexity of OAuth server implementations and the disclaimer that it's a demo, implying further production hardening might be needed depending on the specific threat model.