Guide for building agents with the Claude Agent SDK (TypeScript/Node.js). Use when creating SDK-based agents, custom tools, in-code subagents, or production agent applications. Provides templates, patterns, and best practices for agent development.
Install
npx skills add dwfennell/claude-agent-sdk-builder --skill claude-agent-sdk-buildernpx skills add dwfennell/claude-agent-sdk-builder --skill claude-agent-sdk-builder -a claude-code -gnpx skills add dwfennell/claude-agent-sdk-builder --skill claude-agent-sdk-builder -a codex -ggemini skills install https://github.com/dwfennell/claude-agent-sdk-builder.git --path claude-agent-sdk-buildergh skill install dwfennell/claude-agent-sdk-builder claude-agent-sdk-buildergit clone --depth 1 https://github.com/dwfennell/claude-agent-sdk-builder /tmp/dwfennell__claude-agent-sdk-builder
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/dwfennell__claude-agent-sdk-builder/claude-agent-sdk-builder ~/.claude/skills/claude-agent-sdk-builder # Claude Code
cp -R /tmp/dwfennell__claude-agent-sdk-builder/claude-agent-sdk-builder ~/.agents/skills/claude-agent-sdk-builder # Codex, Cursor, Gemini CLI, Copilot, OpenCode