Claude Code mod

better-spellcheck

Underlines misspelled words in the prompt as you type, with aspell suggestions in a band above the prompt

Pane & dashboard mods Plugin marketplaceValidates on Claude Code 2.1.316 Source

Install

Inside Claude Code
/plugin marketplace add tjwds/better-spellcheck
/plugin install better-spellcheck@better-spellcheck-local

Mods 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, writes the prompt box, reads files, reads env vars, reads the prompt box, reads mod state, persists state, draws
Sees
every prompt
Draws in
AbovePrompt
Hooks
session.startprompt.editprompt.submitcommand.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
tjwds/better-spellcheck
Folder
.
Marketplace
better-spellcheck-local
Author
Joe
Type
Pane & dashboard mods
Last updated
3 October 2026
Listed in
awesome-claude-code-mods

FAQ

What is better-spellcheck?

Underlines misspelled words in the prompt as you type, with aspell suggestions in a band above the prompt It is a mod for Claude Code, from tjwds/better-spellcheck on GitHub.

What can the better-spellcheck mod access?

Its widest reach is "writes or runs" (runs processes, writes files, writes the prompt box, reads files, reads env vars, reads the prompt box, reads mod state, persists state, draws). It sees every prompt. It draws in AbovePrompt. Like any mod, it runs with your permissions.

How do I install better-spellcheck?

Inside Claude Code (v2.1.287 or later), run /plugin marketplace add tjwds/better-spellcheck and then /plugin install better-spellcheck@better-spellcheck-local.

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