auth-implementation-patterns

Master authentication and authorization patterns including JWT, OAuth2, session management, and RBAC to build secure, scalable access control systems. Use when implementing auth systems, securing A...

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Review — 64%

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Evaluation — 100%

Agent success when using this skill

Validation — 10 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

100%

Stateless Auth API with Session Revocation

JWT token lifecycle management

Criteria

Without context

With context

jsonwebtoken import

100%

Access token 15m expiry

100%

Refresh token 7d expiry

100%

Separate refresh secret

100%

Refresh token hashed in DB

100%

Refresh token DB lookup

100%

Revoke single token

100%

Revoke all tokens

100%

Bearer header extraction

100%

TokenExpiredError handling

100%

JsonWebTokenError handling

100%

No secrets in logs

100%

Without context: $0.3548 · 1m 33s · 13 turns · 62 in / 6,056 out tokens

With context: $0.5203 · 2m 4s · 16 turns · 17 in / 7,220 out tokens

100%

18%

Secure User Registration and Login Service

Password security and rate limiting

Criteria

Without context

With context

bcrypt library

100%

12 salt rounds

100%

Zod validation

100%

Min 12 chars

100%

Uppercase requirement

100%

Lowercase requirement

100%

Number requirement

100%

Special char requirement

100%

express-rate-limit

100%

RedisStore for rate limit

100%

API: 100 req / 1 min

100%

No plain passwords

100%

Without context: $0.3620 · 1m 42s · 15 turns · 15 in / 5,896 out tokens

With context: $0.9283 · 3m 1s · 39 turns · 85 in / 9,315 out tokens

100%

12%

Content Platform: Session Auth with Role-Based Access Control

Session management and RBAC

Criteria

Without context

With context

connect-redis import

100%

Redis session store

100%

resave and saveUninitialized false

100%

Cookie httpOnly

100%

Cookie secure production

100%

Cookie sameSite strict

100%

Cookie maxAge 24h

100%

RBAC role hierarchy

100%

Admin bypasses ownership

100%

Security event logging

50%

100%

Logout clears cookie

100%

Server-side auth check

100%

Without context: $0.2483 · 1m 2s · 11 turns · 60 in / 3,687 out tokens

With context: $0.4641 · 1m 43s · 20 turns · 302 in / 5,625 out tokens

Evaluated: 2 days ago
Agent: Claude Code

Table of Contents

Stateless Auth API with Session Revocation Secure User Registration and Login Service Content Platform: Session Auth with Role-Based Access Control

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