Authentication & Access Reliability
Build and repair authentication, authorization, session, invitation, temporary-access, and tenant-isolation workflows. This bundle covers login and role permissions, session revocation, OAuth refresh races, invitation lifecycle failures, signed-URL expiry, cross-tenant cache leakage, and production-access evidence. Use it when access must remain correct across login, logout, refresh, sharing, role changes, temporary links, and operational administration.
Works with every agent that reads SKILL.md — Claude Code, Cursor, Codex CLI, Gemini CLI, GitHub Copilot, Windsurf, OpenClaw, and more.
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What's included
8 skills
Automatically add login authentication to existing apps.
Automatically add role-based permissions to existing apps.
Repair session revocation gaps that leave JWTs, refresh tokens, cookies, WebSockets, or cached authorization usable after logout or suspension.
Repair concurrent OAuth refresh races that invalidate credentials, overwrite newer tokens, or force users to reconnect.
Repair invitation lifecycle drift across tenant scope, tokens, roles, expiry, resend, revoke, acceptance, account linking, and retries.
Repair presigned upload and download URLs that expire too early, fail behind proxies, reject valid headers, or remain usable longer than intended.
Repair cache bugs that expose one customer’s data to another tenant or return stale results after writes.
Organize production-access records into a traceable evidence packet with Claude.
See it in action
Add Login Auth To Any Project
Example session with this skill installed
Add JWT-based login and registration to my Express app. Use bcrypt for passwords and create a middleware to protect the /dashboard route.
- Read your context and instructions
- Compiled the add login auth
Project Detected: Express (Node.js)
Auth Feature Added: JWT Login, Registration, Auth Middleware
Security Changes: Bcrypt hashing, Environment-based secrets
Files Modified: src/routes/auth.js, src/middleware/auth.js, .env.example
Commands Executed: npm install jsonwebtoken bcrypt
Validation: Success
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
Restart the agent if it was already running. It picks the skill up automatically - no config needed.
Skills folder by agent
Click the path to copy it. Create the folder if it does not exist yet.
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