What is model-router?
model-router is a Claude Code mod by aott33 that picks Haiku, Sonnet, Opus or Fable for each subagent and shows what it cost. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | aott33 |
| Repository | aott33/model-router |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (92/100) |
| Rank | #2,628 of 5,272 Claude Code mods; #449 in Cost & usage |
| Last commit | 2026-10-14 |
| Hooks | 11 events |
| Sees | Agent calls, classic hooks, every tool call, subagent spawns |
| Draws on | AbovePrompt, Pane |
Is model-router safe to install?
model-router scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. 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 no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.agent.list | |
$.agent.register | |
$.clock.after | |
$.clock.now | |
$.clock.sleep | |
$.command.register | |
$.model.classify | drives Claude |
$.model.complete | drives Claude |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install model-router?
- 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/aott33/model-router claude plugin validate ./model-router/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add aott33/model-router && claude plugin install model-router@model-router
Or ask Claude to set it up
Paste this into Claude Code and it installs model-router for you:
Install the "model-router" Claude Code mod from https://github.com/aott33/model-router. Run claude plugin validate on it first and show me what it can access before you enable it.