Skills for Real Engineers. Straight from my .agents directory.
39 skills
authentication
Agent skill from
Implement iOS authentication flows with AuthenticationServices and LocalAuthentication. Use when building Sign in with Apple, passkey/WebAuthn registration or sign-in with ASAuthorizationPlatformPublicKeyCredentialProvider, ASAuthorizationController credential state and revocation handling, ASWebAuthenticationSession OAuth or third-party login, Password AutoFill, identity-token server validation, or local biometric re-authentication with LAContext.
How to install authentication
install authentication
# install the swift-ios-skills pack with the skills CLI
npx skills add dpearson2699/swift-ios-skills# or add only this skill to Claude Code: copy the folder
skills/authentication/
# into
~/.claude/skills/authentication/ (all projects)
.claude/skills/authentication/ (one project)
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