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peek-cli

Name: peek-cli
Author: 9bests.com

A tool that lets coding agents capture a screenshot of any open browser tab. Pair it with a Chrome extension and your agents can see and iterate on frontend designs until they're right.

★★★★☆ 4.1 Free (Open Source)

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📖 9bests In-Depth Review Jul 26, 2026

peek-cli Review 2026: Let Your Coding Agent See the Browser

peek-cli lets coding agents capture a screenshot of any open browser tab via a Chrome extension. We review how it works, its safety model, and who should use it for frontend work.

Read the full long-form review & analysis →

💡 9bests Editorial Buying Advice

Why choose peek-cli: A tool that lets coding agents capture a screenshot of any open browser tab. Pair it with a Chrome extension and your agents can see and iterate on frontend designs until they're right.

Optimal workflow match: Ideal for teams seeking automated and streamlined AI workflows.

✅ Pros / Key Advantages

• Lets agents screenshot any open browser tab via a Chrome extension
• A WebSocket daemon streams screenshots to the agent
• Works with Claude Code, Codex, Copilot, and more
• The agent can only take screenshots — it cannot inject scripts or act in the browser
• Ships as a Chrome Web Store extension plus an npm CLI and an agent skill

❌ Cons / Limitations

• Requires installing a browser extension and reconnecting each startup
• Screenshot-only — no clicking or DOM interaction
• The local WebSocket daemon must be running

💰 Pricing Plans & Structure

Free (Open Source)

Pricing details are gathered from public sources and are subject to change. Please visit the official website for real-time rates and trial terms.

Pricing verified from official public sources · Reviewed by Bill (Lead Editor)

🎯 Who should use peek-cli

Best suited for users focused on digital productivity and AI automation who value lets agents screenshot any open browser tab via a chrome extension.

⚠️ Who should look elsewhere

Users who require features outside its core scope or cannot accommodate requires installing a browser extension and reconnecting each startup may benefit from exploring alternative tools in this category.

🚀 Common use cases

Autocompleting and refactoring code

Multi-file AI edits

Debugging and test generation

⚖️ Direct Head-to-Head Comparisons

Curated Matchups

Compare Matrix → Free (Open Source) vs Free / $20/mo

peek-cli vs Cursor

Side-by-side analysis of features, scores, pros, and cons.

Compare Matrix → Free (Open Source) vs $10-39/mo

peek-cli vs GitHub Copilot

Side-by-side analysis of features, scores, pros, and cons.

Compare Matrix → Free (Open Source) vs Free / $15/mo

peek-cli vs Windsurf (Codeium)

Side-by-side analysis of features, scores, pros, and cons.

Compare Matrix → Free (Open Source) vs Free / $25/mo

peek-cli vs Replit Agent

Side-by-side analysis of features, scores, pros, and cons.

❓ Frequently asked questions

Is peek-cli free?

Pricing for peek-cli is available on its official site.

What is peek-cli used for and what are its strengths?

Key strengths of peek-cli: Lets agents screenshot any open browser tab via a Chrome extension, A WebSocket daemon streams screenshots to the agent. A tool that lets coding agents capture a screenshot of any open browser tab. Pair it with a Chrome extension and your agents can see and iterate on frontend designs until they're right.

What is the best alternative to peek-cli?

If you're looking for an alternative to peek-cli, consider Cursor: it stands out for Best AI code editor, Multi-file editing.

How do I choose the right alternative to peek-cli?

Selection advice: compare ratings, pricing, and core features within the AI Coding category, then match to your own workflow. See the comparison matrix and Top alternatives list on this page.