What is terminal-browser?
terminal-browser is a Claude Code mod by zenbu-labs that a browser running directly inside claude code. Preview websites, view HTML documents, and let your agent control the built in browser. It is listed under Agents & automation and has 3,919 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | zenbu-labs |
| Repository | zenbu-labs/terminal-browser |
| Popularity | 3,919 GitHub stars |
| Category | Agents & automation |
| Security | Review before installing (76/100) |
| Rank | #50 of 5,272 Claude Code mods; #10 in Agents & automation |
| License | MIT |
| Last commit | 2026-10-17 |
| Stars this week | +113 |
| Hooks | 10 events |
| Sees | ? calls |
| Draws on | Pane |
Is terminal-browser safe to install?
terminal-browser scores 76/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; starts processes outside the sandbox. It passed 6 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| Sends data over the network | Review |
| Starts processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.sleep | |
$.command.register | |
$.fs.exists | reads files |
$.http.fetch | network requests |
$.process.run | runs processes |
$.prompt.fill | writes the prompt box |
$.session.surfaces | |
$.tool.register | drives Claude |
$.ui.blit | draws interface |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
How do I install terminal-browser?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/zenbu-labs/terminal-browser claude plugin validate ./terminal-browser/claude-code-plugin
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add zenbu-labs/terminal-browser && claude plugin install terminal-browser@terminal-browser
Or ask Claude to set it up
Paste this into Claude Code and it installs terminal-browser for you:
Install the "terminal-browser" Claude Code mod from https://github.com/zenbu-labs/terminal-browser/tree/main/claude-code-plugin. Run claude plugin validate on it first and show me what it can access before you enable it.