Claude Code mods: customize prompts, tools and UI with a few lines of JS
KhuyenTran16 · x · 2026-10-07
Khuyen Thu Tran explains Claude Code mods: compact JavaScript/TypeScript functions (often a few lines) that let you rewrite prompts, control tool execution, customize the UI, and replace built-in features without waiting for Anthropic. Demo: a 23-line mod swapping the default spinner for kitchen-step animations like "Mashing avocado…".
Related event: Anthropic ships Claude Code mods for easy customization(4 posts)→
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