hook-development

To create Claude Code plugin hooks, define the required frontmatter and hooks.json structure to automate responses for events like PreToolUse and SessionStart. You can build both prompt-based hooks for flexible reasoning and command hooks for deterministic checks.

Prompt-based hooks in hooks.json enable flexible reasoning for complex logic, while command hooks execute fast deterministic checks. Both patterns are supported for Claude Code plugin automation to handle various lifecycle events safely.

Yes, you can enforce security and input validation policies using Claude Code hooks. The hook development process includes built-in guidance on timeouts, safe patterns, and validation practices to prevent misuse during tool usage and organizational workflows.

You can verify Claude Code plugin hook registration and behavior by running the command claude --debug. This checks whether your hooks.json structure and frontmatter are correctly loaded for the specified lifecycle events.

The best way to structure cross-event workflows in Claude Code plugins is to map organizational workflows across multiple lifecycle events like PostToolUse and Stop. Define the hooks.json structure and documentation patterns to build robust, reliable automation systems.

Yes, Claude Code hook development supports organizational workflows and policy enforcement. You can use hook events like PreToolUse to enforce tool usage policies and SessionStart to load context, ensuring safe and reliable automation across your organization.