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Security
auth-implementation-patterns
Build secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices.
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Build secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices.
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SKILL FILEWhat Claude actually reads
Build secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices. ## Use this skill when - Implementing user authentication systems - Securing REST or GraphQL APIs - Adding OAuth2/social login or SSO - Designing session management or RBAC - Debugging authentication or authorization issues ## Do not use this skill when - You only need UI copy or login page styling - The task is infrastructure-only without identity concerns - You cannot change auth policies or credential storage ## Instructions - Define users, tenants, flows, and threat model constraints. - Choose auth strategy (session, JWT, OIDC) and token lifecycle. - Design authorization model and policy enforcement points. - Plan secrets storage, rotation, logging, and audit requirements. - If detailed examples are required, open `resources/implementation-playbook.md`. ## Safety - Never log secrets, tokens, or credentials. - Enforce least privilege and secure storage for keys. ## Resources - `resources/implementation-playbook.md` for detailed patterns and examples.