What is undo-agent?
undo-agent is a Claude Code mod by MDmubarak786 that undo the file edits a subagent made. /rewind restores your own turns, but not a subagent's edits; this snapshots them and puts the files back with one command. It is listed under Agents & automation and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | MDmubarak786 |
| Repository | MDmubarak786/claude-mods |
| Popularity | no public popularity data yet |
| Category | Agents & automation |
| Security | Review before installing (76/100) |
| Rank | #3,962 of 5,272 Claude Code mods; #310 in Agents & automation |
| License | MIT |
| Last commit | 2026-10-16 |
| Hooks | 4 events |
| Sees | Edit|Write|NotebookEdit calls |
| Draws on | nothing |
Is undo-agent safe to install?
undo-agent scores 76/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; writes files or config. 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 files or config | Review |
| Doesn't read environment variables | Pass |
| 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 |
|---|---|
$.command.register | |
$.fs.exists | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.process.run | runs processes |
$.ui.ask | draws interface |
$.ui.log | draws interface |
How do I install undo-agent?
- 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/MDmubarak786/claude-mods claude plugin validate ./claude-mods/mods/undo-agent
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add MDmubarak786/claude-mods && claude plugin install undo-agent@modhub
Or ask Claude to set it up
Paste this into Claude Code and it installs undo-agent for you:
Install the "undo-agent" Claude Code mod from https://github.com/MDmubarak786/claude-mods/tree/main/mods/undo-agent. Run claude plugin validate on it first and show me what it can access before you enable it.
More from MDmubarak786/claude-mods
This repository has at least 9 Claude Code mods on MCPMods.
- big-output: Keep huge shell output out of the context window. A Bash result over a threshold is saved to a file and Claude gets its (Review before installing)
- bingo: Classic 75-ball bingo, you against Claude. Numbers are called, you mark your card and shout Bingo first; Claude plays a (Low risk)
- circuit-breaker: Stop Claude from retrying the same failing shell command over and over. After N identical failures the next attempt is h (Low risk)
- connect-four: Connect Four against Claude, in a pane. Press a column's digit to drop a disc; Claude answers in half a second at three (Low risk)
- copy-last: Copy Claude's last reply, or its last code block, to the clipboard as clean Markdown with /copy, with no terminal indent (Low risk)
- ding: Play a sound and post a desktop notification when Claude finishes a turn or needs you to answer a question or a permissi (Low risk)
- dino: The Chrome dinosaur runner in a pane. Press w to jump the cacti; the ground speeds up as you go, and your best distance (Low risk)
- fence: Limit which paths Claude may edit in a project with one /fence command. Edits outside the fence are refused with a reaso (Low risk)