Claude Code mod

explainer

Highlight a word, phrase or command and click Explain in the sidebar (or type /huh) for a plain-English explainer.

Pane & dashboard mods Plugin marketplaceValidates on Claude Code 2.1.316 Source

Install

Inside Claude Code
/plugin marketplace add classA19/claude-skills-and-mods
/plugin install explainer@alec-plugins

Mods install like plugins. Run /reload-plugins or start a new session to load it.

What it can access

Reach
L2Writes or runs: drives Claude, reads the selection, reads mod state, persists state, draws
Draws in
Pane
Hooks
session.startcommand.runui.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.
Claude Code docs

Details

Repository
classA19/claude-skills-and-mods
Folder
mods/explainer
Marketplace
alec-plugins
Author
Alec
Type
Pane & dashboard mods
Last updated
11 October 2026
Listed in
awesome-claude-code-mods

FAQ

What is explainer?

Highlight a word, phrase or command and click Explain in the sidebar (or type /huh) for a plain-English explainer. It is a mod for Claude Code, from classA19/claude-skills-and-mods on GitHub.

What can the explainer mod access?

Its widest reach is "writes or runs" (drives Claude, reads the selection, reads mod state, persists state, draws). It draws in Pane. Like any mod, it runs with your permissions.

How do I install explainer?

Inside Claude Code (v2.1.287 or later), run /plugin marketplace add classA19/claude-skills-and-mods and then /plugin install explainer@alec-plugins.

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