What is prototype-mode?
prototype-mode is a Claude Code mod by brunolca that flag a project for prototype mode: no git worktrees, iterate and commit directly on the current branch (main included). Works for background jobs too. It is listed under Git & CI and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | brunolca |
| Repository | brunolca/claude-plugins |
| Popularity | 1 GitHub stars |
| Category | Git & CI |
| Security | Review before installing (76/100) |
| Rank | #1,699 of 5,272 Claude Code mods; #134 in Git & CI |
| License | MIT |
| Last commit | 2026-10-16 |
| Hooks | 4 events |
| Sees | Agent calls, EnterWorktree calls |
| Draws on | nothing |
Is prototype-mode safe to install?
prototype-mode scores 76/100 on the MCPMods security check: Review before installing. Things to review: writes files or config; reads environment variables. 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 |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes files or config | Review |
| Reads environment variables | Review |
| 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 |
|---|---|
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.fs.write | writes files |
$.session.root | |
$.settings.read | reads settings |
$.ui.status | draws interface |
How do I install prototype-mode?
- 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/brunolca/claude-plugins claude plugin validate ./claude-plugins/plugins/prototype-mode
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add brunolca/claude-plugins && claude plugin install prototype-mode@brunolca
Or ask Claude to set it up
Paste this into Claude Code and it installs prototype-mode for you:
Install the "prototype-mode" Claude Code mod from https://github.com/brunolca/claude-plugins/tree/main/plugins/prototype-mode. Run claude plugin validate on it first and show me what it can access before you enable it.
More from brunolca/claude-plugins
This repository has 2 Claude Code mods on MCPMods.
- worktree-terminal: Open a terminal in the session's worktree or any agent's worktree: /term, or the buttons above the prompt (Low risk)