plugin-dev

By Anthropic

Plugin development toolkit with skills for creating agents, commands, hooks, MCP integrations, and comprehensive plugin structure guidance

Plugin · by anthropics · runs in Claude Code, Cowork, claude.ai · 7 skills, 1 command, 3 agents · listed 2025-11-20

Claude Code

claude plugin install plugin-dev

Source

Skills (7)

Skill agent-development

This skill should be used when the user asks to "create an agent", "add an agent", "write a subagent", "agent frontmatter", "when to use description", "agent examples", "agent tools", "agent…

Any agent
```
npx skills add anthropics/claude-plugins-official --skill agent-development
```
Skill command-development

This skill should be used when the user asks to "create a slash command", "add a command", "write a custom command", "define command arguments", "use command frontmatter", "organize commands"…

Any agent
```
npx skills add anthropics/claude-plugins-official --skill command-development
```
Skill hook-development

This skill should be used when the user asks to "create a hook", "add a PreToolUse/PostToolUse/Stop hook", "validate tool use", "implement prompt-based hooks", "use ${CLAUDE_PLUGIN_ROOT}", "set up…

Any agent
```
npx skills add anthropics/claude-plugins-official --skill hook-development
```
Skill mcp-integration

This skill should be used when the user asks to "add MCP server", "integrate MCP", "configure MCP in plugin", "use .mcp.json", "set up Model Context Protocol", "connect external service", mentions…

Any agent
```
npx skills add anthropics/claude-plugins-official --skill mcp-integration
```
Skill plugin-settings

This skill should be used when the user asks about "plugin settings", "store plugin configuration", "user-configurable plugin", ".local.md files", "plugin state files", "read YAML frontmatter"…

Any agent
```
npx skills add anthropics/claude-plugins-official --skill plugin-settings
```
Skill plugin-structure

This skill should be used when the user asks to "create a plugin", "scaffold a plugin", "understand plugin structure", "organize plugin components", "set up plugin.json", "use…

Any agent
```
npx skills add anthropics/claude-plugins-official --skill plugin-structure
```
Skill skill-development

This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill…

Any agent
```
npx skills add anthropics/claude-plugins-official --skill skill-development
```

Agents (3)

Agent agent-creator

Use this agent when the user asks to "create an agent", "generate an agent", "build a new agent", "make me an agent that...", or describes agent functionality they need.
Agent plugin-validator

Use this agent when the user asks to "validate my plugin", "check plugin structure", "verify plugin is correct", "validate plugin.json", "check plugin files", or mentions plugin validation.
Agent skill-reviewer

Use this agent when the user has created or modified a skill and needs quality review, asks to "review my skill", "check skill quality", "improve skill description", or wants to ensure skill follows…

Commands (1)

Command create-plugin

Guided end-to-end plugin creation workflow with component design, implementation, and validation

From Anthropic's public plugin directory, read on 2026-10-15. Find a skill by task.