What is workbench?
workbench is a Claude Code mod by hymleong that a side pane with Git review, real PowerShell terminals and a live monitor of the servers running on localhost. Nothing else to install. It is listed under Git & CI and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | hymleong |
| Repository | hymleong/claude-mods |
| Popularity | no public popularity data yet |
| Category | Git & CI |
| Security | High risk (52/100) |
| Rank | #3,387 of 5,272 Claude Code mods; #243 in Git & CI |
| License | MIT |
| Last commit | 2026-10-13 |
| Hooks | 14 events |
| Sees | compaction, every tool call, mcp__workbench__dev_reload calls |
| Draws on | Pane, AbovePrompt |
Is workbench safe to install?
workbench scores 52/100 on the MCPMods security check: High risk. Things to review: sends data over the network; starts processes outside the sandbox; writes files or config; reads environment variables. 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 processes outside the sandbox | Review |
| Writes files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| 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.after | |
$.clock.every | |
$.command.register | |
$.config.list | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.http.fetch | network requests |
$.process.run | runs processes |
$.process.spawn | |
$.prompt.fill | writes the prompt box |
$.session.cwd | |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.tool.register | drives Claude |
$.ui.copy | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install workbench?
- 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/hymleong/claude-mods claude plugin validate ./claude-mods/plugins/workbench
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add hymleong/claude-mods && claude plugin install workbench@claude-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs workbench for you:
Install the "workbench" Claude Code mod from https://github.com/hymleong/claude-mods/tree/main/plugins/workbench. Run claude plugin validate on it first and show me what it can access before you enable it.
More from hymleong/claude-mods
This repository has 3 Claude Code mods on MCPMods.
- Cache: Countdown of the 1 hour prompt-cache window, counted from the last reply. (Low risk)
- status-hud: A bar above the prompt showing current activity, 5-hour limit, weekly limit and context window. (Low risk)