5.9K skills · sorted by relevance
Use for Nauthilus authentication and identity-provider work touching OIDC, OAuth2, SAML, MFA, TOTP, WebAuthn, recovery codes, LDAP-backed identity, browser login and consent flows, token/session/flow state, `private_key_jwt`, introspection, discovery metadata, endpoint-specific client authentication, and security-sensitive auth tests.
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Expert Convex Auth setup, production, OAuth, security, and debugging guidance. Use when adding or auditing Convex Auth, configuring GitHub/Google/Apple OAuth, setting auth env vars, protecting Convex functions with getAuthUserId, debugging callback URLs, preparing production auth, rotating keys, or reviewing auth security.
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Configure secure OAuth 2.0 authorization flows including Authorization Code with PKCE, Client Credentials, and Device Authorization Grant. This skill covers flow selection, PKCE implementation, token
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Implement secure authentication and authorization systems with JWT, OAuth2, Session-based auth, and RBAC. Use when: (1) implementing user login/signup, (2) setting up JWT tokens, (3) OAuth2 integration (Google, GitHub, etc.), (4) role-based access control (RBAC), (5) password hashing and validation, (6) session management, (7) API authentication middleware, (8) 2FA/MFA setup. Triggers: "authentication", "login", "JWT", "OAuth", "session", "password hash", "RBAC", "permissions", "2FA".
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Authentication and authorization patterns - JWT, OAuth2, sessions, RBAC, ABAC, passkeys, and MFA. Use for: authentication, authorization, jwt, oauth, oauth2, session, login, rbac, abac, passkey, mfa, totp, api key, token, auth, cookie, csrf, cors credentials, bearer token, refresh token, oidc.
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Configure secure OAuth 2.0 authorization flows including Authorization Code with PKCE, Client Credentials, and Device Authorization Grant. This skill covers flow selection, PKCE implementation, token
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Review author information in structured data, a machine-readable description of page content. Check names, profile links, and connections to articles or pages, then identify corrections using the rendered HTML and HTTP response.
Trace forced authentication and relay chains in a CTF sandbox. Identify what triggers authentication, which service accepts the forwarded identity, and what privilege or artifact results, while distinguishing captured authentication from a successfully accepted relay.
Review suspicious emails for phishing and business email fraud by examining sender authentication, message content, links, and attachments. Organize indicators of compromise, which are traces of malicious activity, and recommend controls for the email environment.
Assess authorized APIs through a ten-stage workflow covering endpoint discovery, authentication, access permissions, input handling, and request limits. Collect reproducible evidence and turn findings into regression checks that can run in a development pipeline.
Assess authorized web applications for pages and APIs that allow access without authentication. Discover hidden URLs and exposed configuration or backup files, compare signed-in and signed-out responses, and document affected resources, impact, and recommended fixes.
Configure SAML identity federation, a way to share authentication between systems, linking on-premises Active Directory with Microsoft Entra ID. Cover single sign-on for cloud applications, user attribute mapping, authentication model choices, and signing certificate management.
Build connections between applications and external APIs, interfaces used to exchange data with other services. The skill guides authentication, data conversion, webhook verification, request limits, retries, and troubleshooting to support reliable API clients.
Assess Wi-Fi disconnection and reconnection behavior using deauthentication and disassociation tests. The skill covers client targeting, handshake capture, protected management frames, transmission scope and rate, and reporting observed effects and detection signals.
Investigate authentication gaps across single sign-on, APIs, and legacy login endpoints. The skill helps map entry points, compare their protections, test token trust between portals, and document whether a flaw grants access to protected accounts or functions.
Authentication patterns: session vs JWT vs OAuth comparison, provider selection (NextAuth, Clerk, Supabase Auth), security checklist, and common mistakes. Use when implementing auth, reviewing auth flows, or choosing auth providers.
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Adds user authentication to web and mobile apps with Amazon Cognito (user pools and identity pools) and the AWS Amplify client auth libraries. Covers sign-up/sign-in flows and the login page (Cognito-hosted UI / managed login), MFA, password policies, OAuth 2.0 / OIDC flows (auth-code + PKCE, client credentials), social/SAML federation, tokens (ID/access/refresh, rotation, revocation, storage), Cognito Lambda triggers, identity pools (temp AWS creds), and gating API Gateway (or ALB) routes to signed-in users via Cognito/JWT authorizers. Applies when adding a login or sign-up page, configuring a user pool or app client, choosing user pool vs identity pool, wiring social/SAML, refreshing tokens, requiring sign-in on an API Gateway or ALB, or debugging redirect_uri/token/MFA/CORS/federation errors. Does NOT cover Amplify Gen2 backend definitions (defineAuth, npx ampx → aws-amplify), IAM/STS/Identity Center (→ aws-iam), or API Gateway/Lambda resource config beyond the authorizer (→ aws-serverless).
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Detect missing authentication and broken function-level authorization vulnerabilities in a codebase using a three-phase approach: recon (map endpoints and the role/permission system), batched verify (check auth/authz in parallel subagents, 3 endpoints each), and merge (consolidate batch results). Covers unauthenticated access and vertical privilege escalation (e.g., regular user accessing admin-only functions). Requires sast/architecture.md (run sast-analysis first). Outputs findings to sast/missingauth-results.md. Use when asked to find missing auth, broken access control, or privilege escalation bugs.
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Implement authentication and authorization using @delon/auth. Use this skill when adding login/logout flows, JWT token management, role-based access control (RBAC), route guards, HTTP interceptors, and session management. Integrates with Firebase Auth and custom permission systems. Ensures secure token storage, automatic token refresh, and consistent authorization checks across components and services.
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Scaffold and implement authentication in TypeScript/JavaScript apps using Better Auth. Detect frameworks, configure database adapters, set up route handlers, add OAuth providers, and create auth UI pages. Use when users want to add login, sign-up, or authentication to a new or existing project with Better Auth.
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Configure Better Auth server and client, set up database adapters, manage sessions, add plugins, and handle environment variables. Use when users mention Better Auth, betterauth, auth.ts, or need to set up TypeScript authentication with email/password, OAuth, or plugin configuration.
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Expert integration of Supabase Auth with Next.js App RouterUse when "supabase auth next, authentication next.js, login supabase, auth middleware, protected route, auth callback, session management, authentication, auth, supabase, nextjs, middleware, session" mentioned.
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Expert patterns for Clerk auth implementation, middleware, organizations, webhooks, and user syncUse when "adding authentication, clerk auth, user authentication, sign in, sign up, user management, multi-tenancy, organizations, sso, single sign-on, clerk, authentication, auth, user-management, multi-tenancy, organizations, sso, oauth" mentioned.
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Authentication & Authorization Implementation Patterns workflow skill. Use this skill when the user needs Build secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.
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