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qauth-labs
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auth-oauth

Implement OAuth 2.0/2.1 authorization flows with PKCE and redirect URI validation.

23|1|Updated Oct 14, 2025
Search Tags:#authorization#security#authentication#oauth#pkce#openid
One-click install
npx skills add https://github.com/qauth-labs/qauth --skill auth-oauth
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: auth-oauth
Source: https://github.com/qauth-labs/qauth/tree/main/.claude/skills/auth-oauth
Command: npx skills add https://github.com/qauth-labs/qauth --skill auth-oauth

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides a comprehensive, standards-aligned implementation and review of OAuth 2.0/2.1 protocols, ensuring secure and compliant authorization workflows.

Core Features & Use Cases

  • OAuth 2.0/2.1 Protocol Support: Implements core grant types like authorization code with PKCE and client credentials, adhering to RFCs and security best practices.
  • Security & Validation: Enforces exact redirect URI matching, PKCE validation, and secure token handling to prevent common attack vectors.
  • Use Case: When developing a secure authentication server, this Skill guides the implementation of OAuth endpoints, security measures, and compliance with the latest standards.

Quick Start

Use the auth-oauth skill to correctly implement the authorization code flow with PKCE and validate redirect URIs during OAuth integrations.

Frequently Asked Questions about auth-oauth

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

FAQPage Schema
How do I implement OAuth 2.0 authorization code flow with PKCE?▼

This Skill guides implementation of the OAuth 2.0 authorization code flow with PKCE by enforcing secure token handling, exact redirect URI validation, and protocol adherence to safeguard authorization workflows.

What is the difference between OAuth 2.0 and OAuth 2.1 security best practices?▼

OAuth 2.1 security best practices mandate PKCE and exact redirect URI matching. This Skill implements these consolidated standards to prevent common attack vectors and ensure protocol adherence.

Why does exact redirect URI validation matter for OAuth 2.0 security?▼

Exact redirect URI validation prevents authorization code interception attacks. This Skill enforces exact matching to safeguard OAuth 2.0 workflows against redirect manipulation vulnerabilities.

Can I use this to implement OAuth client credentials grant securely?▼

Yes, this Skill supports secure implementation of the OAuth client credentials grant. It adheres to RFCs and enforces secure token handling to maintain protocol compliance.

Does this OAuth implementation support OpenID Connect authentication?▼

This Skill focuses on OAuth 2.0/2.1 authorization protocols and PKCE enforcement. It ensures secure authorization workflows, but specific OpenID Connect authentication layer details are not specified in the metadata.

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