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investigate

92 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By tensology/decisionsai (GitHub) · coding · 17 stars · scanned at commit 54239d8

Systematic debugging with root cause investigation. Four phases: investigate, analyze, hypothesize, implement. Iron Law: no fixes without root cause. Use when asked to "debug this", "fix this bug", "why is this broken", "investigate this error", or "root cause analysis". Proactively invoke this skill (do NOT debug directly) when the user reports errors, 500 errors, stack traces, unexpected behavior, "it was working yesterday", or is troubleshooting why something stopped working. (gstack)

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/'investigate' ] || [ -L ~/.agents/skills/'investigate' ]; then echo 'A skill folder named investigate already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/tensology/decisionsai' "$d" && git -C "$d" checkout --quiet '54239d84419e02067dff05bf4e0bc208764604ed' -- 'distr/seed-corpus-pack/copied-skills/gstack/investigate' && mkdir -p ~/.agents/skills && cp -R "$d"/'distr/seed-corpus-pack/copied-skills/gstack/investigate' ~/.agents/skills/'investigate' && 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/'investigate' ~/.claude/skills/'investigate' (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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