Claude Code mod
model-router
Sends quick questions to Claude Haiku 5.5 to save usage; everything else stays on your model.
Install
/plugin marketplace add jo-greco/johnny-mods
/plugin install model-router@johnny-modsMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: drives Claude, reads mod state, persists state, draws
- Hooks
session.startturn.startturn.stepturn.completecommand.run
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
- jo-greco/johnny-mods
- Folder
model-router- Marketplace
johnny-mods- Author
- Johnny Greco
- License
- MIT
- Last updated
- 12 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is model-router?
Sends quick questions to Claude Haiku 5.5 to save usage; everything else stays on your model. It is a mod for Claude Code, from jo-greco/johnny-mods on GitHub.
What can the model-router mod access?
Its widest reach is "writes or runs" (drives Claude, reads mod state, persists state, draws). Like any mod, it runs with your permissions.
How do I install model-router?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add jo-greco/johnny-mods and then /plugin install model-router@johnny-mods.
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