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hook-developer - Develop and configure Claude Code hooks

Provides schemas, registration patterns, matchers, hook types, and environment variables for developing Claude Code hooks.

Tags

Updated: 2026-09-28
Claude Codehooksautomationtool permissionsevent handlingJSON schemas

Capabilities

Define hook input schemasDefine hook output schemasConfigure hook registrationMatch tools and events

Typical Inputs

Hook event datasettings.json configurationHook command or script

Typical Outputs

Hook JSON responsesHook context messagesHook registration configuration

What this skill does

  • Define hook input schemas
  • Define hook output schemas
  • Configure hook registration
  • Match tools and events
  • Select command or prompt hooks
  • Control hook blocking behavior
  • Manage hook environment variables

Inputs

  • Hook event data
  • settings.json configuration
  • Hook command or script
  • Hook prompt

Outputs

  • Hook JSON responses
  • Hook context messages
  • Hook registration configuration
  • Permission decisions
  • Session control states

Requirements

  • Claude Code hook support
  • Access to settings.json
  • Bash for command hooks
  • LLM support for prompt hooks

Source

  • Spec: SKILL.md

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