Ops Development & AI Practice

Oct 6, 2026 · Artificial Intelligence

Claude Code Mods: Extending the AI Coding Runtime with Functional Hooks

This article dissects Claude Code's Mods system — functional hooks that let developers intercept tool calls, prompts, and UI rendering — explaining the event chain, four built-in mods (diff, agents-md, sec-default, telemetry), security boundaries, and when to choose mods over Skills or MCP.