# GPTsApp Plugins decision brief

## Hookify (claude-code)

Format: gptsapp-plugin-decision-brief/1.0.0
Plugin ID: gpa:plugin:1f76c93f75a55226f93722884dfb30dadf3274bf75d0a87359ece00317b12eb1
Canonical: https://plugins.gptsapp.io/plugins/claude-code/anthropics/hookify
Source owner: anthropics
Declared author: Anthropic source repository
Repository: https://github.com/anthropics/claude-plugins-official
Package root: plugins/hookify
Package format: claude-plugin
Documented targets: Claude Code (claude-code)
Documented targets are source declarations, not tested compatibility. Other interfaces remain unknown.
Task scope: All recorded tasks
Recorded tasks: Configure workflows (workflow-rules); Build a plugin (plugin-development)

Describe project rules and review the hooks that warn or block when patterns match.

### Version and observation scope
Workflow-note version: Unknown
Workflow-note revision: Unknown
Workflow-note observation: 2026-09-07
Manifest version: Unknown
Manifest revision: Unknown
Manifest observation: Unknown
Component observation scope: observed-2026-09-07
A manifest observation does not revalidate older component or prerequisite notes.

### Installation and delivery
Package role: Unknown
Delivery boundary: Unknown
Access: Hooks can change whether an agent action proceeds; inspect the rules and project scope.
License declaration: MIT stated in the README; no source code copied
A license declaration is not a directory redistribution or safety certification.
Official installation: https://code.claude.com/docs/en/discover-plugins
Installation note: Find hookify in the official marketplace and review its hook behavior before enabling rules.
Distribution: anthropic-official / hookify; path plugins/hookify; index revision 3deb821cb71ccfaaf2ffa9935e977df314ce5cd5; package revision 3deb821cb71ccfaaf2ffa9935e977df314ce5cd5
Distribution evidence: https://github.com/anthropics/claude-plugins-official/blob/3deb821cb71ccfaaf2ffa9935e977df314ce5cd5/.claude-plugin/marketplace.json

### Prerequisites by recorded task
- required: Python 3.7 or later for the documented rule engine [Tasks: Configure workflows; Build a plugin]
  Evidence: https://github.com/anthropics/claude-plugins-official/tree/main/plugins/hookify
The complete prerequisite inventory has not been established; unknown does not mean optional, free or unnecessary.

### Included components and observation limits
- Writing rules skill (Skills): Source directory observed; retained prior package observation, not revalidated by marketplace refresh
  Recorded members: writing-rules
- Rule-matching hooks (Hooks): Hook directory observed; not executed; retained prior package observation, not revalidated by marketplace refresh
  Exact member count: Unknown.
- Rule management commands (Commands): README-declared commands; retained prior package observation, not revalidated by marketplace refresh
  Recorded members: hookify, list, configure, help
Included Skill, Agent and Command files are not a request to install duplicate copies. File/configuration presence is not host activation.

### Source issues
No separately recorded issue. This is not a safety review.

### Independent runtime states
Package installed: Not observed
External connection: Not observed
Access authorized: Not observed
Task completed: Not observed
This brief includes no personal prerequisite answers, credentials or runtime checks. No winner, compatibility, safety or authorization verdict.

### Sources
- https://github.com/anthropics/claude-plugins-official/tree/main/plugins/hookify
- https://github.com/anthropics/claude-plugins-official/blob/3deb821cb71ccfaaf2ffa9935e977df314ce5cd5/.claude-plugin/marketplace.json
- https://github.com/anthropics/claude-plugins-official/tree/3deb821cb71ccfaaf2ffa9935e977df314ce5cd5/plugins/hookify