Claude Code mod

main-branch-warn

Warns you the moment Claude starts editing files directly on main or master.

3 starsGit & GitHub mods Plugin marketplaceValidates on Claude Code 2.1.316 Source

Install

Inside Claude Code

/plugin marketplace add Plagemes/claude-mods
/plugin install main-branch-warn@claude-mods

Mods 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 files, draws, other: $.mods.hello, other: $.mods.mode, other: $.mods.notify, other: $.mods.publish, other: $.mods.registerTab
Sees: /"^(?:Edit|Write|MultiEdit|NotebookEdit)$"/ calls
Hooks: session.starttool.call

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.

Claude Code docs

Details

Repository: Plagemes/claude-mods
Folder: mods/main-branch-warn
Marketplace: claude-mods
Author: Plagemes
Type: Git & GitHub mods
Website: plagemes.github.io/claude-mods/#main-branch-warn
License: MIT
Last updated: 15 October 2026
Listed in: awesome-claude-code-mods

FAQ

What is main-branch-warn?

Warns you the moment Claude starts editing files directly on main or master. It is a mod for Claude Code, from Plagemes/claude-mods on GitHub.

What can the main-branch-warn mod access?

Its widest reach is "writes or runs" (runs processes, reads files, draws, other: $.mods.hello, other: $.mods.mode, other: $.mods.notify, other: $.mods.publish, other: $.mods.registerTab). It sees /"^(?:Edit|Write|MultiEdit|NotebookEdit)$"/ calls. Like any mod, it runs with your permissions.

How do I install main-branch-warn?

Inside Claude Code (v2.1.287 or later), run /plugin marketplace add Plagemes/claude-mods and then /plugin install main-branch-warn@claude-mods.

Is main-branch-warn popular?

Plagemes/claude-mods has 3 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 15 October 2026.

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