Plans fail in the gaps between sentences: the claim about the codebase that was true three months ago, the dependency on work nobody scheduled, the failure mode nobody priced in. A generated plan is a draft, not a decision. This skill is the adversarial pass between "here's the plan" and "let's build it".
Shred Plan is a community-contributed Claude Code skill in the forensics sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/shred-plan/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when the user has a plan — a docs/*-plan.md file or a plan just produced in the conversation — and wants it stress-tested, red-teamed, or "shredded".
The Shred Plan 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 190,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
mkdir -p ~/.claude/skills/shred-plan curl -L https://claudskills.com/skills/shred-plan/SKILL.md \ -o ~/.claude/skills/shred-plan/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/shred-plan/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/shred-plan/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\shred-plan\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
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.
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
SKILL.md from the source repository to ~/.claude/skills/shred-plan/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Shred Plan is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.If you reference this skill in a blog post, paper, or documentation, you can cite it as:
@misc{shred-plan-2026,
author = {ritmillio},
title = {Shred Plan [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/shred-plan/}
}Grade A · scanned 2026-08-24 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:
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SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.