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aspnetcore-authentication

Skill

ASP.NET Core authentication middleware configuration including OpenID Connect, JWT Bearer, cookie authentication, authentication schemes, challenge/forbid flows, and external identity provider integration.

0Backend

Install

git clone https://github.com/DuendeSoftware/duende-skills.git ~/.claude/skills/aspnetcore-authentication

What is aspnetcore-authentication?

ASP.NET Core authentication middleware configuration including OpenID Connect, JWT Bearer, cookie authentication, authentication schemes, challenge/forbid flows, and external identity provider integration.

What this can do

Capabilities declared in this component's own frontmatter — not inferred.

Inherit all session tools

Declares no tool restrictions — inherits every session tool

~51 tokens of context used while enabled, before you invoke anything

Documentation

README · ~8 min read

ASP.NET Core Authentication

When to Use This Skill

Use this skill when:

  • Configuring OIDC authentication in an ASP.NET Core web application
  • Setting up JWT Bearer authentication for an API
  • Managing authentication schemes (cookies, OIDC, JWT, external providers)
  • Implementing challenge, sign-in, sign-out, and forbid flows
  • Debugging authentication failures (401s, redirect loops, claim mapping issues)
  • Integrating with Duende IdentityServer as an OpenID Connect provider
  • Configuring token validation parameters

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