Claude Code mod
left-undone
A sidebar listing todos Claude left undone; press a letter to flag one, then send Claude back to finish it.
Install
/plugin marketplace add adammhal/claude-mods
/plugin install left-undone@adam-modsMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: runs processes, writes files, drives Claude, reads files, reads mod state, draws
- Sees
- TodoWrite calls
- Draws in
Pane- Hooks
session.startcommand.runtool.callturn.completeui.render
From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.
How Claude Code mods work
- A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
- It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
- Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
- Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Details
- Repository
- adammhal/claude-mods
- Folder
left-undone- Marketplace
adam-mods- Last updated
- 7 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is left-undone?
A sidebar listing todos Claude left undone; press a letter to flag one, then send Claude back to finish it. It is a mod for Claude Code, from adammhal/claude-mods on GitHub.
What can the left-undone mod access?
Its widest reach is "writes or runs" (runs processes, writes files, drives Claude, reads files, reads mod state, draws). It sees TodoWrite calls. It draws in Pane. Like any mod, it runs with your permissions.
How do I install left-undone?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add adammhal/claude-mods and then /plugin install left-undone@adam-mods.
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