Plugin Official

plugin-dev

Toolkit with 7 skills and /plugin-dev:create-plugin for building Claude Code plugins.

Author: Anthropic
Works with: Claude Code
License: Apache-2.0
Documented: Oct 2, 2026

What plugin-dev is

Skills cover hooks, MCP integration, plugin structure, settings, commands, agents and skills, plus an 8-phase guided plugin creation command.

What it does

Where plugin-dev runs and what it adds, from its documentation

hook-development, mcp-integration, plugin-structure skills
plugin-settings, command-, agent-, skill-development skills
/plugin-dev:create-plugin 8-phase workflow
Progressive disclosure with examples and scripts

When to use it

Good fit

Authoring a plugin

Not for

Using plugins (this is for authors)

How to install plugin-dev

You need: Claude Code

Marketplace ships enabled by default in Claude Code; or browse via /plugin > Discover
Install: /plugin install plugin-dev@claude-plugins-official
Run the plugin's commands/agents as described in its README
Trust check: Anthropic warns to trust a plugin before installing, as it cannot verify included MCP servers, files or software

Permissions and security

What it can access

Runs inside Claude Code; commands, agents and hooks use Claude Code's tool permissions (see plugin README for specifics)

Security notes from the maintainers

Marketplace README: make sure you trust a plugin before installing, updating, or using it

Review the source before granting an agent access to credentials or production systems. We document what the maintainers state; we do not audit code.

Tools it extends

Coding

Claude Code

Web · Desktop

No user reviews yet

Anthropic's agentic coding tool that reads your codebase, edits files and runs commands from the terminal, IDEs, desktop app or browser.

Watch out: Not included in the Free Claude plan, and usage on subscriptions is capped by plan limits.

Listed Not yet reviewed

Verified Sep 29, 2026 code.claude.com (opens Claude Code website in a new tab)

From $20/mo US · checked Sep 29

CompareAdded Details

Frequently asked questions

How do I install the plugin-dev plugin?

Run /plugin install plugin-dev@claude-plugins-official in Claude Code. source

Is the plugin-dev plugin made by Anthropic?

Yes, it is listed under /plugins (internal plugins developed by Anthropic) in the claude-plugins-official repo. source

What does the plugin-dev plugin add to Claude Code?

Toolkit with 7 skills and /plugin-dev:create-plugin for building Claude Code plugins. source

Related guides

Claude Code plugins and marketplace: 40 profiled in 2026

Sources and gaps

https://raw.githubusercontent.com/anthropics/claude-plugins-official/main/plugins/plugin-dev/README.md readme, checked Oct 2, 2026
https://code.claude.com/docs/en/plugins docs, checked Oct 2, 2026
https://github.com/anthropics/claude-plugins-official readme, checked Oct 2, 2026

Not stated by the maintainers: last_release (not read); limitations not stated in README.