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authentication-security

90 / 100 · Low risk

Fine to try. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

By williamzujkowski/standards (GitHub) · security · 19 stars · scanned at commit f90f81f

Authentication security standards covering OAuth2 flows (authorization code, PKCE), JWT best practices (RS256, expiration), MFA (TOTP, WebAuthn), session management, and NIST 800-63B compliance for production systems

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'authentication-security' ] || [ -L ~/.agents/skills/'authentication-security' ]; then echo 'A skill folder named authentication-security already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/williamzujkowski/standards' "$d" && git -C "$d" checkout --quiet 'f90f81f6e725bcce9044429f3fb6f6ae11a17d26' -- 'skills/security/authentication' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/security/authentication' ~/.agents/skills/'authentication-security' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'authentication-security' ~/.claude/skills/'authentication-security' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history