{"id":"9a285036-a735-4e5f-b019-6fc0cc7fba88","shortId":"QPz2Qt","kind":"skill","title":"auth-implementation-patterns","tagline":"Build secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices.","description":"# Authentication & Authorization Implementation Patterns\n\nBuild secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices.\n\n## Use this skill when\n\n- Implementing user authentication systems\n- Securing REST or GraphQL APIs\n- Adding OAuth2/social login or SSO\n- Designing session management or RBAC\n- Debugging authentication or authorization issues\n\n## Do not use this skill when\n\n- You only need UI copy or login page styling\n- The task is infrastructure-only without identity concerns\n- You cannot change auth policies or credential storage\n\n## Instructions\n\n- Define users, tenants, flows, and threat model constraints.\n- Choose auth strategy (session, JWT, OIDC) and token lifecycle.\n- Design authorization model and policy enforcement points.\n- Plan secrets storage, rotation, logging, and audit requirements.\n- If detailed examples are required, open `resources/implementation-playbook.md`.\n\n## Safety\n\n- Never log secrets, tokens, or credentials.\n- Enforce least privilege and secure storage for keys.\n\n## Resources\n\n- `resources/implementation-playbook.md` for detailed patterns and examples.\n\n## Limitations\n- Use this skill only when the task clearly matches the scope described above.\n- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.\n- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are 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'success':206 'system':11,31,48 'task':85,170 'tenant':104 'test':190 'threat':107 'token':117,145 'topic-agent-skills' 'topic-agentic-skills' 'topic-ai-agent-skills' 'topic-ai-agents' 'topic-ai-coding' 'topic-ai-workflows' 'topic-antigravity' 'topic-antigravity-skills' 'topic-claude-code' 'topic-claude-code-skills' 'topic-codex-cli' 'topic-codex-skills' 'treat':179 'ui':78 'use':12,32,41,71,164 'user':46,103 'valid':189 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