Claude Skill MartBrowse skillsQuick linesLearn by videoTerminal guideWhat is a Skill?
 
← Back to list

Gemini – Cross-Model Second Opinion (Ads, SEO, Code)

Launches the Gemini CLI so a second AI can review, stress-test, or advise on the same Google Ads, SEO, or code changes.

Marketing & SEOIntermediate★ 3,346⑂ 417AI score 9/10Last updated: Aug 12, 2026

What it does

  • Hands your current work to the Google Gemini CLI for an independent second opinion.
  • Three modes: review (PASS/FAIL gate with blocking issues), challenge (devil's-advocate stress test), consult (open Q&A).
  • Auto-detects change type: Google Ads (campaigns, bids, keywords, budgets), SEO metadata (titles, meta descriptions, schema, robots, sitemaps), code diffs, or mixed.
  • Uses tailored checklists — Ads policy compliance, keyword cannibalization, landing-page alignment; SEO tag lengths, search intent, E-E-A-T signals; code correctness and security.
  • If Claude already reviewed the same work, it produces a Claude vs Gemini cross-model comparison (shared findings, model-only findings, disagreements) plus next steps.

Who it's for

  • Performance marketers who want a sanity check before changing campaign structure, bids, or budgets.
  • SEO practitioners validating metadata and schema edits before shipping.
  • Developers who prefer two AI opinions on a diff rather than one.

Examples

  1. "gemini review" → Gemini inspects the git diff plus metadata changes and returns PASS/FAIL with blocking issues.
  2. "gemini challenge" → adversarial pass on a new Performance Max structure, naming the exact metrics to compare 14 days before/after.
  3. "consult gemini: should I split ad groups down to single keywords?" → direct, auction-mechanics-based advice.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/nowork-studio/notfair-plugin/HEAD/gemini/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the gemini folder from the GitHub repo nowork-studio/notfair-plugin into my ~/.claude/skills/nowork-studio-gemini/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/nowork-studio/notfair-plugin.git && mkdir -p ~/.claude/skills && cp -r notfair-plugin/gemini ~/.claude/skills/gemini

⚠ This is a third-party skill. Check the source repository before installing.

  1. Confirm Node.js is installed: node -v.
  2. Install the Gemini CLI: npm install -g @google/gemini-cli.
  3. Run gemini once in your terminal and complete the Google account sign-in.
  4. Clone the skill repo: git clone https://github.com/nowork-studio/notfair-plugin.git.
  5. Copy the skill folder: mkdir -p ~/.claude/skills && cp -r notfair-plugin/gemini ~/.claude/skills/gemini.
  6. Restart Claude Code and type "gemini review" or "ask gemini" to verify it triggers.
View source on GitHub ↗License: MIT