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Securing Authentication

Listed
ancoleman·vlatest·security·MIT

Securing Authentication ensures users are properly identified and authorized, bolstering system security against unauthorized access.

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 ancoleman/ai-design-components --skill securing-authentication -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

ancoleman

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 3 hosts that are neither well-known infrastructure nor declared in the skill's frontmatter: api.pwnedpasswords.com, auth.provider.com, 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

    oauth2.googleapis.comundeclaredauth.provider.comundeclaredapi.pwnedpasswords.comundeclared

    What it found

    • skills/securing-authentication/examples/authjs-nextjs/README.md:211contacts oauth2.googleapis.com
      const response = await fetch('https://oauth2.googleapis.com/token', {
    • skills/securing-authentication/references/oauth21-guide.md:162contacts auth.provider.com
      const tokenResponse = await fetch('https://auth.provider.com/oauth/token', {
    • skills/securing-authentication/references/password-hashing.md:587contacts api.pwnedpasswords.com
      const response = await axios.get(`https://api.pwnedpasswords.com/range/${prefix}`)

  • 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 ancoleman/ai-design-components at 76551b7b19.

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

Commit
76551b7b19
Manifest
skills/securing-authentication/SKILL.md
Scanned
13 files, 6,790 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

This skill enables AI agents to implement robust authentication measures. It facilitates the secure verification of user identities, ensuring only authorized individuals access sensitive resources and data. The skill focuses on practical application, helping agents design systems that protect against unauthorized access attempts.

When to use it

  • Building a web application: Implement secure login flows with multi-factor authentication.
  • Developing an API endpoint: Protect the API from unauthorized requests by requiring valid credentials.
  • Creating a chatbot for sensitive data: Ensure only verified users can interact with the bot and access personal information.
  • Automating user provisioning: Securely manage new user accounts and their associated permissions.

Key capabilities

  • Authentication implementation
  • Secure credential verification
  • Multi-factor authentication support
  • User authorization management

Example prompts

  • "Implement a secure login flow for my web application using OAuth 2.0."
  • "Generate code to verify user credentials against a database."
  • "Add multi-factor authentication (MFA) to the existing API endpoint."

Tips & gotchas

This skill assumes a basic understanding of authentication concepts and security best practices. Always validate user input and sanitize data to prevent vulnerabilities like SQL injection or cross-site scripting.