missing-authentication-anti-pattern

Detect missing or broken authentication in API endpoints and login systems.

8|1|Updated Jan 19, 2026
One-click install
npx skills add https://github.com/igbuend/grimbard --skill missing-authentication-anti-pattern
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: missing-authentication-anti-pattern
Source: https://github.com/igbuend/grimbard/tree/main/skills/missing-authentication-anti-pattern
Command: npx skills add https://github.com/igbuend/grimbard --skill missing-authentication-anti-pattern

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses critical security vulnerabilities arising from missing or improperly implemented authentication, preventing unauthorized access to sensitive data and functionality.

Core Features & Use Cases

  • Endpoint Auditing: Identifies unprotected API endpoints and routes.
  • Authentication & Authorization Guidance: Provides clear examples and best practices for implementing robust identity verification and permission checks.
  • Use Case: When reviewing a new web application, use this Skill to ensure all user-facing and API endpoints require proper authentication and that authorization checks are correctly implemented to prevent data breaches.

Quick Start

Review the current folder for any unprotected API endpoints.

Frequently Asked Questions about missing-authentication-anti-pattern

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I find unprotected API endpoints in my web application?

To find unprotected API endpoints, audit your application routes to identify missing authentication checks. This Skill scans your codebase to detect endpoints lacking proper identity verification and access control mechanisms.

What are common missing authentication vulnerabilities in API security?

Common missing authentication vulnerabilities include unprotected routes, weak credential verification, and broken session management. This Skill detects these flaws by reviewing endpoints against secure authorization principles to prevent unauthorized access.

How do I implement proper authorization checks for sensitive API routes?

Implement proper authorization checks by applying robust identity verification and permission validation to every endpoint. This Skill provides best practices and examples for securing access control mechanisms to prevent data breaches.

Can I use this to review login systems for weak credential verification?

Yes, you can review login systems for weak credential verification. This Skill focuses on detecting improperly implemented authentication and provides guidance for applying secure session management during security reviews.

What is the best way to prevent unauthorized access to sensitive application functionality?

The best way to prevent unauthorized access is ensuring all user-facing and API endpoints require robust authentication. This Skill helps audit access control mechanisms to verify proper permission checks are implemented.

Why does my API endpoint return data without requiring a login session?

An API endpoint returning data without a login session indicates a missing authentication vulnerability. This Skill detects unprotected routes and guides you in adding robust session management and credential verification.