What is clef-model-router?
clef-model-router is a Claude Code mod by dwain-barnes that picks the Claude model and reasoning effort for each turn with Cloudflare Clef, a fast decision model, on Workers AI or fully local (llama-server, Ollama). It is listed under Agents & automation and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | dwain-barnes |
| Repository | dwain-barnes/clef-model-router |
| Popularity | no public popularity data yet |
| Category | Agents & automation |
| Security | High risk (52/100) |
| Rank | #3,121 of 5,272 Claude Code mods; #239 in Agents & automation |
| License | Apache-2.0 |
| Last commit | 2026-10-04 |
| Hooks | 8 events |
| Sees | every prompt |
| Draws on | PromptHint |
Is clef-model-router safe to install?
clef-model-router scores 52/100 on the MCPMods security check: High risk. Things to review: sends data over the network; writes files or config; reads environment variables; watches every prompt or event. It passed 4 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 |
|---|---|
| Sends data over the network | Review |
| Starts no processes | Pass |
| Writes files or config | Review |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| 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 |
|---|---|
$.clock.now | |
$.clock.sleep | |
$.command.register | |
$.env.get | reads env vars |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.write | writes files |
$.http.fetch | network requests |
$.session.id | |
$.session.model | |
$.session.usage | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.toast | draws interface |
How do I install clef-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/dwain-barnes/clef-model-router claude plugin validate ./clef-model-router/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add dwain-barnes/clef-model-router && claude plugin install clef-model-router@clef-model-router
Or ask Claude to set it up
Paste this into Claude Code and it installs clef-model-router for you:
Install the "clef-model-router" Claude Code mod from https://github.com/dwain-barnes/clef-model-router. Run claude plugin validate on it first and show me what it can access before you enable it.