This document covers the remaining bundled plugins in the Claude Code marketplace that are not detailed in other plugin-specific pages. For the code review plugin, see Code Review Plugin. For output style plugins, see Output Style Plugins. For development workflow plugins (commit-commands, pr-review-toolkit), see Development Workflow Plugins. For ralph-wiggum, see Ralph Wiggum Plugin. For frontend-design, see Frontend Design Plugin.
The plugins documented here include development toolkits (agent-sdk-dev, plugin-dev, feature-dev), migration tools (claude-opus-4-5-migration), hook creation utilities (hookify), and security enforcement (security-guidance).
The marketplace bundles 13 plugins across four categories, distributed from .claude-plugin/marketplace.json1-150 Six plugins are covered in this document.
Diagram: Other Marketplace Plugins in Registry
Sources: .claude-plugin/marketplace.json10-148
Development kit for working with the Claude Agent SDK. Provides tools and utilities for developing applications that integrate with Claude's agent capabilities.
| Property | Value |
|---|---|
| Name | agent-sdk-dev |
| Category | development |
| Source | ./plugins/agent-sdk-dev |
| Owner | Anthropic |
Sources: .claude-plugin/marketplace.json11-16
Comprehensive toolkit for developing Claude Code plugins. Includes 7 expert skills covering hooks, MCP integration, commands, agents, and best practices. Provides AI-assisted plugin creation and validation.
| Property | Value |
|---|---|
| Name | plugin-dev |
| Category | development |
| Source | ./plugins/plugin-dev |
| Version | 0.1.0 |
| Author | Daisy Hollman |
This plugin assists developers in creating new Claude Code plugins by providing:
Sources: .claude-plugin/marketplace.json106-114
Comprehensive feature development workflow with specialized agents for codebase exploration, architecture design, and quality review. Orchestrates a multi-agent approach to feature implementation.
| Property | Value |
|---|---|
| Name | feature-dev |
| Category | development |
| Source | ./plugins/feature-dev |
| Version | 1.0.0 |
| Author | Siddharth Bidasaria |
Diagram: feature-dev Workflow
The plugin coordinates specialized agents across the feature development lifecycle:
Sources: .claude-plugin/marketplace.json62-71
Assists with migrating code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5. Handles API changes, prompt format updates, and feature deprecations between model versions.
| Property | Value |
|---|---|
| Name | claude-opus-4-5-migration |
| Category | development |
| Source | ./plugins/claude-opus-4-5-migration |
| Version | 1.0.0 |
| Author | William Hu |
Sources: .claude-plugin/marketplace.json18-27
The hookify plugin enables users to create custom hooks for preventing unwanted behaviors by analyzing conversation patterns or explicit instructions. Hooks are defined through simple markdown files.
| Property | Value |
|---|---|
| Name | hookify |
| Category | productivity |
| Source | ./plugins/hookify |
| Version | 0.1.0 |
| Author | Daisy Hollman |
Diagram: hookify Hook Creation Flow
The plugin simplifies hook creation by:
Sources: .claude-plugin/marketplace.json84-93
Security reminder hook that warns about potential security issues when editing files. Detects patterns including command injection, XSS, and unsafe code patterns.
| Property | Value |
|---|---|
| Name | security-guidance |
| Category | security |
| Source | ./plugins/security-guidance |
| Version | 1.0.0 |
| Author | David Dworken |
Diagram: security-guidance Hook Integration
The plugin operates as a PreToolUse hook that:
The plugin detects:
eval() usage, dynamic code execution, insecure deserializationSources: .claude-plugin/marketplace.json139-148
| Category | Plugins | Purpose |
|---|---|---|
| development | agent-sdk-dev, claude-opus-4-5-migration, feature-dev, plugin-dev | Development workflows and tooling |
| productivity | hookify | Custom hook creation |
| security | security-guidance | Security enforcement and warnings |
All plugins follow the standard plugin structure defined in Plugin System with metadata in .claude-plugin/marketplace.json1-150
Sources: .claude-plugin/marketplace.json1-150