What is workbench?
workbench is a Claude Code mod by fanbuz. Workbench for Claude Code: a live narration band above the prompt and a side pane with this turn's steps, working tree changes and turn history. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | fanbuz |
| Repository | fanbuz/claude-workbench-mod |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | High risk (44/100) |
| Rank | #3,184 of 5,272 Claude Code mods; #1,323 in Interface |
| License | MIT |
| Last commit | 2026-10-05 |
| Hooks | 7 events |
| Sees | every prompt, every tool call |
| Draws on | AbovePrompt, Pane |
Is workbench safe to install?
workbench scores 44/100 on the MCPMods security check: High risk. Things to review: starts processes outside the sandbox; writes files or config; reads environment variables; watches every prompt or event. It passed 2 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 files or config | Review |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Drives Claude (model calls, prompts) | Note |
| Validator reported problems | Note |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.every | |
$.command.register | |
$.config.list | |
$.config.set | changes config |
$.env.get | reads env vars |
$.model.complete | drives Claude |
$.process.run | runs processes |
$.prompt.fill | writes the prompt box |
$.prompt.submit | drives Claude |
$.session.compact | drives Claude |
$.session.cwd | |
$.session.id | |
$.session.usage | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.copy | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | 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/fanbuz/claude-workbench-mod claude plugin validate ./claude-workbench-mod/plugins/workbench
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/fanbuz/claude-workbench-mod && claude --plugin-dir ./claude-workbench-mod/plugins/workbench
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/fanbuz/claude-workbench-mod/tree/main/plugins/workbench. Run claude plugin validate on it first and show me what it can access before you enable it.