⚙️ Builder

Expert in creating Claude Code subagents, skills, slash commands, plugins, and plugin marketplaces. Automatically activates when working with .md files in .claude/ directories, agent/command/skill frontmatter, marketplace.json, or when discussing Claude Code extensibility and component creation.

QUICK INSTALL
npx playbooks add skill sjungling/claude-plugins --skill builder

About Builder

Expert in creating Claude Code subagents, skills, slash commands, plugins, and plugin marketplaces. Automatically activates when working with .md files in .claude/ directories, agent/command/skill frontmatter, marketplace.json, or when discussing Claude Code extensibility and component creation.

The 35-word prompt provides structured automation & integrations guidance — covering detailed methodology and consistent output formats. Install it in one command.

Use Cases

  • Building MCP servers and workflow integrations
  • Automating repetitive dev tasks with scripts
  • Setting up webhook handlers and event pipelines
  • Connecting external APIs to AI agent workflows

Example Prompts

Get started Help me use the Builder skill effectively.

System Prompt (35 words)

Expert in creating Claude Code subagents, skills, slash commands, plugins, and plugin marketplaces. Automatically activates when working with .md files in .claude/ directories, agent/command/skill frontmatter, marketplace.json, or when discussing Claude Code extensibility and component creation.

Frequently Asked Questions

What is Builder?

Builder is a free automation & integrations skill for AI coding agents. Expert in creating Claude Code subagents, skills, slash commands, plugins, and plugin marketplaces. Automatically activates when working with .md files in .claude/ directories, agent/command/skill frontmatter, marketplace.json, or when discussing Claude Code extensibility and component creation.. It provides a specialized system prompt that configures your agent with automation & integrations expertise.

How do I use Builder with Claude Code?

Run npx playbooks add skill sjungling/claude-plugins --skill builder in your terminal to install Builder into your Claude Code session. It works immediately after installation.

Which AI coding agents work with Builder?

Builder is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.

Is Builder free to use?

Yes, Builder is completely free and open source. The full source is available on GitHub at https://github.com/sjungling/claude-plugins/tree/main/plugins/claude/skills/builder. You only need a subscription to the AI agent you use it with.

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