Hook Development - Develop event-driven Claude Code hooks
Create and configure prompt-based or command hooks for Claude Code events to validate operations, enforce policies, load context, and automate workflows.
Tags
Updated: 2026-10-01Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Create prompt-based hooks
- Create command hooks
- Configure hook events
- Validate tool calls
- React to tool results
- Enforce completion standards
- Load session context
- Persist environment variables
- Apply tool matchers
- Validate hook inputs
Inputs
- Hook event configuration
- Hook input JSON
- Tool name
- Tool input
- Tool result
- User prompt
- Stop reason
- Plugin directory path
Outputs
- Hook decisions
- System messages
- Transcript output
- Updated tool input
- Environment variables
- Exit statuses
Requirements
- Claude Code
- Claude Code plugin environment
- JSON hook configuration support
- Command execution permissions
- jq for shell validation examples