Dev Browser
Dev Browser is an agent skill (a SKILL.md file) from MemTensor/MemOS. Browser automation with persistent page state. It works with Claude Code and has 11,739 GitHub stars across a repository of 3 listed skills. Install it by copying the skill folder into your agent's skills directory.
- Multi-skill repo
- Testing & QA
- Actively maintained
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/MemTensor/MemOS.git
cp -r MemOS/apps/openwork-memos-integration/apps/desktop/skills/dev-browser ~/.claude/skills/dev-browser # personal, or .claude/skills in a projectIn 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/MemTensor/MemOS.git
cp -r MemOS/apps/openwork-memos-integration/apps/desktop/skills/dev-browser .agents/skills/dev-browser # repo; ~/.agents/skills for all projectsStandalone 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/MemTensor/MemOS.git
cp -r MemOS/apps/openwork-memos-integration/apps/desktop/skills/dev-browser .cursor/skills/dev-browser # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (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 page state. Use when users ask to navigate websites, fill forms, take screenshots, extract web data, test web apps, 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", or any browser interaction request. Browser automation that maintains page state across script executions.
When it triggers
- Use when users ask to navigate websites, fill forms, take screenshots, extract web data, test web apps, 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", or any browser interaction request.
- "go to [url]"
- "click on"
- "fill out the form"
- "take a screenshot"
- "scrape"
- "automate"
More skills in MemTensor/MemOS
3 skills are listed from this repository.
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What is the Dev Browser skill?
Dev Browser is an agent skill (a SKILL.md file) from MemTensor/MemOS. Browser automation with persistent page state. It works with Claude Code and has 11,739 GitHub stars across a repository of 3 listed skills. Install it by copying the skill folder into your agent's skills directory. Its SKILL.md lives at github.com/MemTensor/MemOS/apps/openwork-memos-integration/apps/desktop/skills/dev-browser.
How do I install the Dev Browser skill?
Copy the dev-browser folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Dev Browser skill free?
Yes. The repository is open source under the Apache-2.0 license.
Is Dev Browser maintained?
The repository's most recent commit was on Sep 22, 2026. Its latest release is v2.0.34. appsgit only lists skills from repositories with a commit in the last six months.