Agent hooks explained for Claude Code, Cursor, Codex

Agent hooks are automated scripts that execute at fixed moments during AI agent workflows, offering a more reliable way to enforce rules than instructions in configuration files. The author explains how hooks work across tools like Claude Code, Cursor, and Codex, detailing their structure of events, triggers, scripts, and actions. Practical examples demonstrate how a hook can filter output, block commands, and automate routine tasks. Open article →