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Breaks down how the skill works and what it produces, so you can quickly judge whether it fits your scenario and value.
When implementing auth systems, securing REST/GraphQL APIs, adding OAuth2/social login, implementing RBAC, designing session management, or debugging security issues.
references/details.md for detailed patterns and worked examplesA clear guide to building secure, scalable access control: correct strategy selection, hardened implementation checklist, and avoidance of typical vulnerabilities.
Use Cases
A backend developer is building a new REST API and needs to add login and access control. Using this skill, they learn to choose JWT vs session cookies, apply bcrypt hashing, set httpOnly secure cookies, and implement RBAC. This prevents common vulnerabilities like plaintext passwords or XSS token theft, shipping a secure API faster.
A team experiences strange 401 errors and suspected token misuse in production. They use this skill to review OAuth2 flow, token expiration, and server-side validation practices, identifying missing CSRF protection and localStorage JWT storage. Applying fixes reduces auth incidents and improves system reliability.
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