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blast-radius

80 / 100 · Low risk

Fine to try.

By chmonitor/chmonitor (GitHub) · data · 304 stars · scanned at commit 0414013

Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe because of by running real code instead of writing it up. Use for 'blast radius of X', 'what could this break', reviewing a small diff you don't trust, or a brief that asserts something about existing code ('make X public', 'X already handles Y') before you design against that assertion.

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/'blast-radius' ] || [ -L ~/.agents/skills/'blast-radius' ]; then echo 'A skill folder named blast-radius already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/chmonitor/chmonitor' "$d" && git -C "$d" checkout --quiet '04140135acfbd2adb525c7173459b584f9f3bb86' -- '.claude/skills/pstack/upstream/skills/blast-radius' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/pstack/upstream/skills/blast-radius' ~/.agents/skills/'blast-radius' && 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/'blast-radius' ~/.claude/skills/'blast-radius' (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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