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Prompt Clash

Category: Security  ·  Sub-category: red-team  ·  Last updated:
All-in-one prompt engineering competition toolkit — attack generation, defense hardening, real-time analysis, and pattern reference for AI security tournaments like Clash of Prompts. Use when preparing for or competing in prompt engineering competitions, red-teaming LLMs, hardening system prompts, analyzing prompt injection techniques, or practicing timed prompt challenges. Trigger phrases include "prompt clash", "prompt competition", "prompt tournament", "red team this prompt", "harden this prompt", "attack this prompt", "defend this prompt", "prompt injection", "prompt security", "clash of prompts", "prompt challenge", "prompt battle".

From the source SKILL.md

Unified prompt engineering competition toolkit. Five composable modes, one skill.

What this skill does

Prompt Clash is a community-contributed Claude Code skill in the red-team sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/prompt-clash/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when preparing for or competing in prompt engineering competitions, red-teaming LLMs, hardening system prompts, analyzing prompt injection techniques, or practicing timed prompt challenges. Trigger phrases include "prompt clash", "prompt competition", "prompt tournament", "red team this prompt", "harden this prompt", "attack this prompt", "defend this prompt", "prompt injection", "prompt security", "clash of prompts", "prompt challenge", "prompt battle".

Who uses this skill

The Prompt Clash 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/prompt-clash
curl -L https://claudskills.com/skills/prompt-clash/SKILL.md \
  -o ~/.claude/skills/prompt-clash/SKILL.md

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

Skills live at ~/.claude/skills/prompt-clash/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\prompt-clash\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

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

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). Prompt Clash [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/prompt-clash/
BibTeX
@misc{prompt-clash-2026,
  author    = {ClaudSkills},
  title     = {Prompt Clash [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/prompt-clash/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

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