What is debugger?
debugger is a Claude Code mod by Hula-Hoop-AI that a step debugger for the agent loop: pause at prompts, model requests, responses, tool calls and results; inspect and edit them; play, step or stop. It is listed under Agents & automation and has 3 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | Hula-Hoop-AI |
| Repository | Hula-Hoop-AI/supermods |
| Popularity | 3 GitHub stars |
| Category | Agents & automation |
| Security | Review before installing (76/100) |
| Rank | #813 of 5,272 Claude Code mods; #78 in Agents & automation |
| License | MIT |
| Last commit | 2026-10-06 |
| Hooks | 11 events |
| Sees | compaction, every prompt, every skill, every tool call |
| Draws on | Pane, AbovePrompt |
Is debugger safe to install?
debugger scores 76/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; watches every prompt or event. 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 processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| 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 | |
$.command.register | |
$.process.run | runs processes |
$.session.messages | reads the transcript |
$.state.get | |
$.state.set | |
$.tool.list | |
$.turn.abort | drives Claude |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
How do I install debugger?
- 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/Hula-Hoop-AI/supermods claude plugin validate ./supermods/plugins/debugger
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Hula-Hoop-AI/supermods && claude plugin install debugger@supermods
Or ask Claude to set it up
Paste this into Claude Code and it installs debugger for you:
Install the "debugger" Claude Code mod from https://github.com/Hula-Hoop-AI/supermods/tree/main/plugins/debugger. Run claude plugin validate on it first and show me what it can access before you enable it.
More from Hula-Hoop-AI/supermods
This repository has at least 9 Claude Code mods on MCPMods.
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- focus-timer: A focus timer in the band above the prompt: /focus-timer starts a block, the band counts it down with pause, skip and st (Low risk)
- garden: A plant in the band above the prompt that grows with every tool call and finished turn, wilts when a tool fails, and kee (Low risk)
- issues: A /issues pane of the open issues assigned to you across GitHub, Linear, Jira and monday.com; press an issue to put its (Review before installing)
- observe: An /observe pane with a tab per provider: Docker and Modal containers with each one's live logs and GPU, CPU and RAM use (Review before installing)
- tide: Band above the prompt that shows the context window as a tide: a fill bar, the trend per turn, a sparkline of recent tur (Low risk)
- trace: A /trace pane with two tabs: the skills that loaded this session (when, from where, who invoked them, how large) and the (Low risk)
- worktrees: Shows repo@branch and its listening ports in the hint line under the prompt, and a /worktrees pane to review and clear f (Low risk)