security-jwt

Implement JWT authentication and authorization for .NET applications.

1|Updated Mar 20, 2026
One-click install
npx skills add https://github.com/afonsoft/VideoChat --skill security-jwt
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: security-jwt
Source: https://github.com/afonsoft/VideoChat/tree/main/.agents/skills/security-jwt
Command: npx skills add https://github.com/afonsoft/VideoChat --skill security-jwt

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides a comprehensive JWT authentication and authorization framework for .NET applications, enabling secure user identity, token management, and policy-driven access control.

Core Features & Use Cases

  • JWT generation, validation, and refresh flows for ASP.NET Core apps.
  • Role- and claim-based authorization with custom policies and requirements.
  • Secure middleware integration, token lifecycle management, and security best practices.
  • Real-world use: securing REST APIs and microservices with scalable, auditable security.

Quick Start

Configure and run the sample to enable JWT-based authentication and authorization in an ASP.NET Core API.

Frequently Asked Questions about security-jwt

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

FAQPage Schema
How do I implement JWT authentication and authorization in an ASP.NET Core API?

JWT authentication in ASP.NET Core is implemented by configuring token generation, validation, and middleware integration. This framework provides secure credential handling, refresh flows, and policy-based access control to secure REST API endpoints.

Can I use role-based and claim-based authorization with custom policies in .NET?

Role-based and claim-based authorization in .NET is supported through custom policy handlers and requirements. You can define specific access policies to enforce scalable, auditable security across microservices and API endpoints.

How does JWT token refresh flow work in .NET applications?

JWT token refresh flows in .NET manage token lifecycle by issuing new tokens after validating expired ones. This approach maintains secure user identity and session continuity without requiring repeated logins.

What is the best way to secure microservices with JWT middleware in ASP.NET Core?

Securing microservices with JWT middleware in ASP.NET Core involves integrating a security pipeline that validates tokens and enforces policy-based access control. This ensures scalable and auditable authorization across distributed services.

Do I need custom policy handlers for JWT authorization in .NET?

Custom policy handlers for JWT authorization in .NET are needed when enforcing granular, claim-based access control beyond standard roles. They enable tailored security requirements within your application's authorization pipeline.

Does this JWT security framework support production-ready credential handling?

Production-ready credential handling for JWT security is supported through configurable options and secure pipeline design. It ensures robust token validation and safe management of sensitive authentication data.