agent sdk dev — Agent Skill
by anthropics · Updated
Development kit for working with the Claude Agent SDK
At a glance
agent-sdk-dev is an Agent Skill by anthropics in the Automation & Workflow category. In Claude Code it installs with `/plugin install agent-sdk-dev@claude-plugins-official` after adding the anthropics/claude-plugins-official marketplace; other assistants use its SKILL.md instructions as rules. Its source repository has 45,039 GitHub stars (as of Oct 27, 2026).
How to install agent sdk dev in your AI client
Setup for Claude Code, Claude Desktop, Cursor, Codex, Windsurf, Cline and VS Code — copy-paste ready.
How to install agent sdk dev in Claude CodeAnthropic's agentic CLI
Add the marketplace
claude/plugin marketplace add anthropics/claude-plugins-officialInstall the skill
claude/plugin install agent-sdk-dev@claude-plugins-officialUse it
These are slash commands for a Claude Code session, not your shell. Claude auto-invokes the skill when your request matches its description — or type its slash command if it exposes one.
How to install agent sdk dev in Claude DesktopDesktop app (MCP config)
Clone the source
bashgit clone https://github.com/anthropics/claude-plugins-official.gitFind the skill
It lives in claude-plugins-official/plugins/agent-sdk-dev — that folder contains the SKILL.md.
Add the SKILL.md to your Skills folder
Settings → Capabilities → Skills → add the folder containing SKILL.md. Claude picks it up automatically.
How to install agent sdk dev in CursorAI-first code editor
Clone the source
bashgit clone https://github.com/anthropics/claude-plugins-official.gitFind the skill
It lives in claude-plugins-official/plugins/agent-sdk-dev — that folder contains the SKILL.md.
Convert to a Cursor rule
Create .cursor/rules/agent-sdk-dev.mdc and paste the SKILL.md body. Set `alwaysApply` or a glob so the Agent loads it in context.
How to install agent sdk dev in Codex CLIOpenAI coding agent
Clone the source
bashgit clone https://github.com/anthropics/claude-plugins-official.gitFind the skill
It lives in claude-plugins-official/plugins/agent-sdk-dev — that folder contains the SKILL.md.
Reference in AGENTS.md
Add the skill's instructions (or a link) to AGENTS.md at your repo root — Codex reads it on every run.
How to install agent sdk dev in WindsurfCodeium's agentic IDE
Clone the source
bashgit clone https://github.com/anthropics/claude-plugins-official.gitFind the skill
It lives in claude-plugins-official/plugins/agent-sdk-dev — that folder contains the SKILL.md.
Add to your rules / context
Paste the SKILL.md instructions into this tool's custom rules or workspace instructions so the agent follows them.
How to install agent sdk dev in ClineVS Code autonomous agent
Clone the source
bashgit clone https://github.com/anthropics/claude-plugins-official.gitFind the skill
It lives in claude-plugins-official/plugins/agent-sdk-dev — that folder contains the SKILL.md.
Add to your rules / context
Paste the SKILL.md instructions into this tool's custom rules or workspace instructions so the agent follows them.
How to install agent sdk dev in VS CodeCopilot / MCP support
Clone the source
bashgit clone https://github.com/anthropics/claude-plugins-official.gitFind the skill
It lives in claude-plugins-official/plugins/agent-sdk-dev — that folder contains the SKILL.md.
Add to your rules / context
Paste the SKILL.md instructions into this tool's custom rules or workspace instructions so the agent follows them.
Documentation
Full READMEAgent SDK Development Plugin
A comprehensive plugin for creating and verifying Claude Agent SDK applications in Python and TypeScript.
Overview
The Agent SDK Development Plugin streamlines the entire lifecycle of building Agent SDK applications, from initial scaffolding to verification against best practices. It helps you quickly start new projects with the latest SDK versions and ensures your applications follow official documentation patterns.
Features
Command: /new-sdk-app
Interactive command that guides you through creating a new Claude Agent SDK application.
What it does:
- Asks clarifying questions about your project (language, name, agent type, starting point)
- Checks for and installs the latest SDK version
- Creates all necessary project files and configuration
- Sets up proper environment files (.env.example, .gitignore)
- Provides a working example tailored to your use case
- Runs type checking (TypeScript) or syntax validation (Python)
- Automatically verifies the setup using the appropriate verifier agent
Usage:
/new-sdk-app my-project-nameOr simply:
/new-sdk-appThe command will interactively ask you:
Excerpt — the full document is on GitHub.
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