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ClaudSkills / Science & Research / math-stats

Cf Sys Debug

Category: Science & Research  ·  Sub-category: math-stats  ·  Last updated:
Systematic 4-phase debugging — root cause investigation, hypothesis testing, regression-guarded fix, mandatory bug doc. Auto-invoke when a bug is non-trivial or a previous fix didn't stick — signals: bug recurs ("still broken", "same error again", "came back"), flaky / intermittent / race / timing, "used to work, now broken", regression after update or dependency bump, hard-to-reproduce, works locally but fails in CI (or vice versa), multi-stage pipeline failure, stack trace into a library, user already tried fixes that didn't help, or user asks to "find the root cause", "investigate", "diagnose", "why is this happening", "trace this", "bisect", "deep dive". Also load BEFORE touching code whenever the cause is unclear and a hypothesis must be stated first. Prefer over cf-fix for hard, recurring, or investigation-heavy bugs (cf-fix may delegate here). Do NOT auto-invoke for trivial typos, one-line fixes, or config errors with an obvious cause.

What this skill does

Cf Sys Debug is a community-contributed Claude Code skill in the math-stats sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/cf-sys-debug/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Cf Sys Debug Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/cf-sys-debug
curl -L https://claudskills.com/skills/cf-sys-debug/SKILL.md \
  -o ~/.claude/skills/cf-sys-debug/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/cf-sys-debug/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/cf-sys-debug/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\cf-sys-debug\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

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Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
ClaudSkills. (2026). Cf Sys Debug [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/cf-sys-debug/
BibTeX
@misc{cf-sys-debug-2026,
  author    = {ClaudSkills},
  title     = {Cf Sys Debug [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/cf-sys-debug/}
}

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