Browser automation clicks buttons. OpenTabs calls APIs.
$ npx -y skills add opentabs-dev/opentabs --agent claude-code
Repo: opentabs-dev/opentabs
What's inside
Your AI calls real web APIs through your browser session — no screenshots, no DOM scraping.
No API keys. No OAuth setup. If you're logged in, your AI can use it.
Works with any MCP client. Don't want MCP? Use CLI mode instead.
Requires Node.js 22+ and Chrome.
npm install -g @opentabs-dev/cli
opentabs start
Load the extension from ~/.opentabs/extension in chrome://extensions/ (Developer mode → Load unpacked).
opentabs plugin install <plugin-name>
Full walkthrough: Quick Start guide
100+ plugins, ~2,000 tools. Slack, Discord, GitHub, Jira, Notion, Figma, AWS, Stripe, and a lot more. One command to install, works immediately.
Built-in browser tools. Screenshots, clicking, typing, network capture — works on any tab, no plugin needed.
Build your own. Scaffold a plugin in one command, publish to npm, anyone can install it. Or point your AI at any website — it discovers the APIs and builds the plugin for you. Plugin Development guide
git clone https://github.com/opentabs-dev/opentabs.git
cd opentabs && npm install && npm run build
npm run dev # tsc watch + MCP server + extension
npm run check # build + type-check + lint + knip + test
Development Setup guide · Discord
MIT — Not affiliated with or endorsed by any third-party service. Full disclaimer.
Showing a partial view of a very large repo.
FAQ
opentabs is a Claude Code plugin with 3 hand-picked skills for development work, indexed on Flowy. Install it with the command on its page. It includes build-plugin, bump-version, ralph. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.
Is this plugin yours?
Claim it with GitHubSubmit a pluginPromote it