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debugging-difficult-bugs

100 / 100 · Low risk

Fine to try.

By crbnos/carbon (GitHub) · coding · 2,825 stars · scanned at commit 23320e4

Runtime-instrumentation debugging for bugs that static reading can't pin down — add temporary unconditional JSONL logging to the real code path, reproduce, read the log, then fix. Use when /root-cause lands at MEDIUM/LOW confidence, when a bug involves runtime state, ordering, caching, streaming, concurrency, or manual/UI reproduction, or before a second speculative fix. Skip when a stack trace or a deterministic failing test already proves the cause.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'debugging-difficult-bugs' ] || [ -L ~/.agents/skills/'debugging-difficult-bugs' ]; then echo 'A skill folder named debugging-difficult-bugs already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/crbnos/carbon' "$d" && git -C "$d" checkout --quiet '23320e4132e2b978e186521fbfb4225017a18d1f' -- '.claude/skills/debugging-difficult-bugs' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/debugging-difficult-bugs' ~/.agents/skills/'debugging-difficult-bugs' && 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/'debugging-difficult-bugs' ~/.claude/skills/'debugging-difficult-bugs' (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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