AI Matters
Why it matters
Anthropic adds customizable middleware system to Claude Code
The Decoder Claude Code's new Mods system lets developers rewrite the AI coding tool from the inside
Anthropic introduced a 'Mods' system for Claude Code, letting developers build custom panels, intercept tool calls, and create new commands within the interface.
Why it matters
Software developers can now write custom JavaScript or TypeScript scripts to directly modify how Anthropic's terminal-based AI coding tool behaves.
Latest brief · Oct 19, 2026