Claude Code mod
tool-visibility-controller
Claude Code plugin for per-agent tool visibility — hide and refuse subagents, skills, MCP and built-in tools per loop
Install
/plugin marketplace add rezzminator/tool-visibility-controller
/plugin install tool-visibility-controller@professorMods 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, reads env vars, draws
- Sees
- classic hooks, subagent spawns, every tool call
- Hooks
session.startcommand.runsession.endclassic.SubagentStartclassic.SubagentStopprompt.attachmentagent.spawntool.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.
Details
- Repository
- rezzminator/tool-visibility-controller
- Folder
plugins/tool-visibility-controller- Marketplace
professor- Author
- Reza · Professor
- Type
- Workflow mods
- License
- MIT
- Last updated
- 1 November 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is tool-visibility-controller?
Claude Code plugin for per-agent tool visibility — hide and refuse subagents, skills, MCP and built-in tools per loop It is a mod for Claude Code, from rezzminator/tool-visibility-controller on GitHub.
What can the tool-visibility-controller mod access?
Its widest reach is "writes or runs" (runs processes, reads files, reads env vars, draws). It sees classic hooks, subagent spawns, every tool call. Like any mod, it runs with your permissions.
How do I install tool-visibility-controller?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add rezzminator/tool-visibility-controller and then /plugin install tool-visibility-controller@professor.
Is tool-visibility-controller popular?
rezzminator/tool-visibility-controller has 2 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 1 November 2026.
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