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testing-api-authentication-weaknesses

97 / 100 · Low risk

Fine to try.

By plurigrid/asi (GitHub) · coding · 72 stars · scanned at commit 293ce9f

Tests API authentication mechanisms for weaknesses including broken token validation, missing authentication on endpoints, weak password policies, credential stuffing susceptibility, token leakage in URLs or logs, and session management flaws. The tester evaluates JWT implementation, API key handling, OAuth flows, and session token entropy to identify authentication bypasses. Maps to OWASP API2:2023 Broken Authentication. Activates for requests involving API authentication testing, token valida…

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/'testing-api-authentication-weaknesses' ] || [ -L ~/.agents/skills/'testing-api-authentication-weaknesses' ]; then echo 'A skill folder named testing-api-authentication-weaknesses already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/plurigrid/asi' "$d" && git -C "$d" checkout --quiet '293ce9f76e3abcd5ba18db284688bc0d9ac6691d' -- 'plugins/asi/skills/testing-api-authentication-weaknesses' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/asi/skills/testing-api-authentication-weaknesses' ~/.agents/skills/'testing-api-authentication-weaknesses' && 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/'testing-api-authentication-weaknesses' ~/.claude/skills/'testing-api-authentication-weaknesses' (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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