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Byan Fact Check

Category: Security  ·  Sub-category: security-misc  ·  Last updated:
type:audit
Fact-check scientifique BYAN (Demonstrable, Quantifiable, Reproductible). Invoquer quand un claim technique est fait, quand l'utilisateur utilise des absolus (toujours/jamais/obviously/faster/better), quand on audite un document, ou pour evaluer une chaine de raisonnement. Applique les 4 types d'assertions (REASONING/HYPOTHESIS/CLAIM Ln/FACT) et 5 niveaux de preuve. Domaines stricts (security/performance/compliance) = LEVEL-2 minimum.

What this skill does

Byan Fact Check is a community-contributed Claude Code skill in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/byan-fact-check/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Byan Fact Check Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. 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/byan-fact-check
curl -L https://claudskills.com/skills/byan-fact-check/SKILL.md \
  -o ~/.claude/skills/byan-fact-check/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/byan-fact-check/. Claude Code auto-discovers it on next session.

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

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

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See pricing → Download desktop app

Cite this skill

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

APA
ClaudSkills. (2026). Byan Fact Check [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/byan-fact-check/
BibTeX
@misc{byan-fact-check-2026,
  author    = {ClaudSkills},
  title     = {Byan Fact Check [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/byan-fact-check/}
}

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Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

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