api-authentication

Secure API authentication with JWT, OAuth 2.0, API keys. Use for authentication systems, third-party integrations, service-to-service communication, or encountering token management, security headers, auth flow errors.

1.42x

Quality

93%

Does it follow best practices?

Impact

100%

1.42x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Evaluation results

100%

38%

Secure Node.js Authentication Module

JWT middleware and token generation

Criteria

Without context

With context

jsonwebtoken package

100%

Access token payload

50%

100%

Access token expiry

100%

JWT_SECRET env var

100%

Refresh token fields

100%

Refresh token expiry

100%

REFRESH_SECRET env var

50%

100%

Bearer prefix check

100%

Parts length check

100%

Malformed header error

50%

100%

Invalid token error

50%

100%

Security headers

62%

100%

HttpOnly cookie guidance

75%

100%

No token in URLs

100%

32%

Flask API with User Login and Role-Based Access Control

Flask JWT with role-based access

Criteria

Without context

With context

flask_jwt_extended package

100%

JWT_SECRET_KEY env var

100%

Access token expires config

100%

Refresh token expires config

50%

100%

role_required decorator

100%

403 insufficient permissions

50%

100%

Safe JSON parsing

100%

Email/password validation

100%

User-first credential check

100%

Invalid credentials error

50%

100%

werkzeug password hashing

100%

Role/email in token claims

50%

100%

requirements.txt

100%

20%

API Key Authentication for a Data Integration Service

API key generation and validation

Criteria

Without context

With context

secrets.token_urlsafe(32)

100%

SHA-256 hashing

100%

X-API-Key header

100%

Active key filter

100%

last_used timestamp update

100%

401 missing key

100%

401 invalid key

100%

DB rollback on error

40%

100%

Error logged not exposed

50%

100%

No plain key stored

100%

No plain key in logs

100%

Repository: secondsky/claude-skills
Commit: 90d6bd7

Evaluated: 30 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Secure Node.js Authentication Module Flask API with User Login and Role-Based Access Control API Key Authentication for a Data Integration Service

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