# GPTsApp Plugins decision brief

## Feature Development (claude-code)

Format: gptsapp-plugin-decision-brief/1.0.0
Plugin ID: gpa:plugin:139eed4c55d0702c442d8b8f826e9a67a0f91fc15470a5751404cd3013affb8c
Canonical: https://plugins.gptsapp.io/plugins/claude-code/anthropics/feature-dev
Source owner: anthropics
Declared author: Anthropic (source declaration)
Repository: https://github.com/anthropics/claude-plugins-official
Package root: plugins/feature-dev
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: Review code (code-review); Work with repositories (repository-management)

Explore a codebase, plan implementation and review a feature with specialized agents.

### 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: Claude Code and a codebase; other environment requirements have not been fully reconciled.
License declaration: Per-plugin source terms; no package files redistributed
A license declaration is not a directory redistribution or safety certification.
Official installation: https://code.claude.com/docs/en/discover-plugins
Installation note: Find feature-dev in the official marketplace. A README version is not used as a manifest version here.
Distribution: anthropic-official / feature-dev; path plugins/feature-dev; 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: An existing codebase to explore and change [Tasks: Review code; Work with repositories]
  Evidence: https://github.com/anthropics/claude-plugins-official/tree/main/plugins/feature-dev
The complete prerequisite inventory has not been established; unknown does not mean optional, free or unnecessary.

### Included components and observation limits
- Feature development agents (Agents): README-declared agents; retained prior package observation, not revalidated by marketplace refresh
  Recorded members: code-explorer, code-architect, code-reviewer
- Feature development command (Commands): README-declared command; retained prior package observation, not revalidated by marketplace refresh
  Recorded members: feature-dev
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/feature-dev
- https://github.com/anthropics/claude-plugins-official/blob/main/plugins/feature-dev/.claude-plugin/plugin.json
- https://github.com/anthropics/claude-plugins-official/blob/3deb821cb71ccfaaf2ffa9935e977df314ce5cd5/.claude-plugin/marketplace.json
- https://github.com/anthropics/claude-plugins-official/tree/3deb821cb71ccfaaf2ffa9935e977df314ce5cd5/plugins/feature-dev