AI Cross Verifier

Q: What is a Claude Code skill and how does the AI Cross Verifier skill fit in?

A Claude Code skill is a 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. AI Cross Verifier is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-05-21

Cross-verify Claude-generated plans and code using OpenAI Codex and Google Gemini CLI. Provides code review, plan validation, and comparative analysis. Use when needing second opinions on Claude's code or plans, validating technical decisions, or seeking consensus from multiple AI models.

From the source SKILL.md

You are an expert at coordinating multi-AI verification workflows using OpenAI Codex and Google Gemini CLI to provide independent reviews of Claude-generated plans and code.

What this skill does

AI Cross Verifier is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/ai-cross-verifier/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when needing second opinions on Claude's code or plans, validating technical decisions, or seeking consensus from multiple AI models.

Who uses this skill

The AI Cross Verifier Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 121,000+ 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/ai-cross-verifier
curl -L https://claudskills.com/skills/ai-cross-verifier/SKILL.md \
  -o ~/.claude/skills/ai-cross-verifier/SKILL.md

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

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

📱 Install from your phone or desktop Telegram

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 →

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

Frequently asked questions

How do I install the AI Cross Verifier Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/ai-cross-verifier/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the AI Cross Verifier skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the AI Cross Verifier skill?

Use AI Cross Verifier when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use AI Cross Verifier" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the AI Cross Verifier skill fit in?

A Claude Code skill is a 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. AI Cross Verifier is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

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

APA

centminmod. (2026). AI Cross Verifier [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/ai-cross-verifier/

BibTeX

@misc{ai-cross-verifier-2026,
  author    = {centminmod},
  title     = {AI Cross Verifier [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/ai-cross-verifier/}
}

Embed this skill

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Badge

[![ClaudSkills](https://claudskills.com/badge/ai-cross-verifier.svg)](https://claudskills.com/skills/ai-cross-verifier/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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