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Dev Browser

Dev Browser is an agent skill (a SKILL.md file) from SawyerHood/dev-browser. Browser automation with persistent named pages via the dev-browser CLI. It works with Claude Code and Codex and has 6,654 GitHub stars. Install it by copying the skill folder into your agent's skills directory.

github.com/SawyerHood/dev-browser/skills/dev-browser (opens in a new tab)

View on GitHub (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add SawyerHood/dev-browser
/plugin install dev-browser@dev-browser-marketplace

In the Claude apps, zip the dev-browser folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/SawyerHood/dev-browser.git
cp -r dev-browser/skills/dev-browser .agents/skills/dev-browser   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/SawyerHood/dev-browser.git
cp -r dev-browser/skills/dev-browser .cursor/skills/dev-browser   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Browser automation with persistent named pages via the dev-browser CLI. Use when users ask to navigate websites, fill forms, take screenshots, extract web data, test web apps, log into sites, or automate browser workflows. Trigger phrases include "go to [url]", "click on", "fill out the form", "take a screenshot", "scrape", "automate", "test the website", "log into", "open the browser", or any browser interaction request. CLI for controlling a real Chrome with short Puppeteer scripts.

When it triggers

  • Use when users ask to navigate websites, fill forms, take screenshots, extract web data, test web apps, log into sites, or automate browser workflows.
  • Trigger phrases include "go to [url]", "click on", "fill out the form", "take a screenshot", "scrape", "automate", "test the website", "log into", "open the browser", or any browser interaction request.
  • "go to [url]"
  • "click on"
  • "fill out the form"
  • "take a screenshot"
  • "scrape"
  • "automate"

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FAQ

Dev Browser FAQ

Still curious? Email info@appsgit.com.

What is the Dev Browser skill?

Dev Browser is an agent skill (a SKILL.md file) from SawyerHood/dev-browser. Browser automation with persistent named pages via the dev-browser CLI. It works with Claude Code and Codex and has 6,654 GitHub stars. Install it by copying the skill folder into your agent's skills directory. Its SKILL.md lives at github.com/SawyerHood/dev-browser/skills/dev-browser.

How do I install the Dev Browser skill?

In Claude Code, run /plugin marketplace add SawyerHood/dev-browser and then /plugin install dev-browser@dev-browser-marketplace. For Codex or Cursor, copy the dev-browser folder into .agents/skills/ or .cursor/skills/.

Is the Dev Browser skill free?

Yes. The repository is open source under the MIT license.

Is Dev Browser maintained?

The repository's most recent commit was on Sep 5, 2026. Its latest release is v0.2.9. appsgit only lists skills from repositories with a commit in the last six months.