Claude Code mod
browser-lanes
Shows if this session has a Playwright browser and who holds it. /browser clean closes leftover browsers. A subagent that wants the browser waits until the one using it is done.
Install
/plugin marketplace add thorstenalpers/claude-code-mods
/plugin install browser-lanes@claude-code-modsMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: runs processes, reads mod state, persists state, draws
- Sees
- subagent spawns, every tool call
- Draws in
AbovePrompt- Hooks
session.startcommand.runsession.endagent.spawntool.callturn.completeui.render
From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.
How Claude Code mods work
- A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
- It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
- Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
- Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Details
- Repository
- thorstenalpers/claude-code-mods
- Folder
mods/browser-lanes- Marketplace
claude-code-mods- Author
- Hamza Zafar
- License
- MIT
- Last updated
- 12 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is browser-lanes?
Shows if this session has a Playwright browser and who holds it. /browser clean closes leftover browsers. A subagent that wants the browser waits until the one using it is done. It is a mod for Claude Code, from thorstenalpers/claude-code-mods on GitHub.
What can the browser-lanes mod access?
Its widest reach is "writes or runs" (runs processes, reads mod state, persists state, draws). It sees subagent spawns, every tool call. It draws in AbovePrompt. Like any mod, it runs with your permissions.
How do I install browser-lanes?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add thorstenalpers/claude-code-mods and then /plugin install browser-lanes@claude-code-mods.
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