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Auth Js

Listed
jackspace·vlatest·security·MIT

Securely generates and validates JWT authentication tokens using industry best practices and customizable configurations.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add jackspace/claudeskillz --skill auth-js -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

jackspace

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill failed 1 of 6 checks. A failure is not proof of bad intent; it means something in the code needs a human to look at it before you run it.

  • No undeclared network calls: failed

    Contacts 2 hosts that are neither well-known infrastructure nor declared in the skill's frontmatter: authjs.dev, oauth2.googleapis.com.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

    Hosts contacted

    authjs.devundeclaredoauth2.googleapis.comundeclared

    What it found

    • skills/auth-js/SKILL.json:17contacts authjs.dev
      "content": "**Production-tested**: Multiple Next.js and Cloudflare Workers projects\r\n**Last Updated**: 2025-10-26\r\n**Status**: Production Ready ✅\r\n**Offi…
    • skills/auth-js/SKILL.md:971contacts oauth2.googleapis.com
      const response = await fetch("https://oauth2.googleapis.com/token", {

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned jackspace/claudeskillz at aef4e299d1.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
aef4e299d1
Manifest
skills/auth-js/SKILL.md
Scanned
3 files, 1,552 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

The auth-js skill provides JavaScript authentication capabilities to AI agents. It allows agents to securely manage user logins, handle password resets, and implement multi-factor authentication. This enhances the security of applications and protects sensitive user data within agent workflows.

When to use it

  • Secure Web Interactions: When your agent needs to interact with web services that require user login credentials.
  • Password Management: For agents assisting users with password resets or account recovery processes.
  • Multi-Factor Authentication (MFA): To add an extra layer of security when accessing sensitive resources through the agent.
  • User Account Creation/Management: When building applications that require user registration and profile management features.

Key capabilities

  • JavaScript authentication implementation
  • Password reset functionality
  • Multi-factor authentication support

Example prompts

  • "Implement a login flow for this website using the auth-js skill."
  • "Reset the password for user 'john.doe' using the auth-js skill."
  • "Enable multi-factor authentication for all new users with the auth-js skill."

Tips & gotchas

The auth-js skill requires a basic understanding of JavaScript and web security principles to implement effectively. Ensure you have appropriate credentials and API keys configured before using this skill in production environments.