What is watchdog?
watchdog is a Claude Code mod by matteoantoci. Watchdog agents review each update of the agent you work with and push short notes to it. It spawns review subagents and auto-allows only its own review spawn and reviewer reads of files. It is listed under Agents & automation and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | matteoantoci |
| Repository | matteoantoci/claude-code-watchdog |
| Popularity | 1 GitHub stars |
| Category | Agents & automation |
| Security | Review before installing (60/100) |
| Rank | #1,966 of 5,272 Claude Code mods; #149 in Agents & automation |
| License | Apache-2.0 |
| Last commit | 2026-10-08 |
| Hooks | 14 events |
| Sees | /"."/u calls, compaction, every prompt |
| Draws on | AbovePrompt |
Is watchdog safe to install?
watchdog scores 60/100 on the MCPMods security check: Review before installing. Things to review: 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 |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes files or config | Review |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.agent.list | |
$.agent.register | |
$.agent.spawn | drives Claude |
$.clock.after | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.env.set | sets env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.model.complete | drives Claude |
$.prompt.submit | drives Claude |
$.session.append | |
$.session.cwd | |
$.session.id | |
$.session.messages | reads the transcript |
$.session.repo | |
$.session.root | |
$.session.surfaces |
How do I install watchdog?
- 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/matteoantoci/claude-code-watchdog claude plugin validate ./claude-code-watchdog/plugins/watchdog
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/matteoantoci/claude-code-watchdog && claude --plugin-dir ./claude-code-watchdog/plugins/watchdog
Or ask Claude to set it up
Paste this into Claude Code and it installs watchdog for you:
Install the "watchdog" Claude Code mod from https://github.com/matteoantoci/claude-code-watchdog/tree/master/plugins/watchdog. Run claude plugin validate on it first and show me what it can access before you enable it.