agent-builder

Design and deploy Claude Code subagents with structured templates and guidelines.

Updated Feb 6, 2026
One-click install
npx skills add https://github.com/chadananda/xswarm-tdd-claude --skill agent-builder-chadananda
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: agent-builder
Source: https://github.com/chadananda/xswarm-tdd-claude/tree/main/skills/agent-builder
Command: npx skills add https://github.com/chadananda/xswarm-tdd-claude --skill agent-builder-chadananda

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a structured blueprint for designing and deploying Claude Code subagents, enabling teams to build consistent, high-quality automation agents with reusable templates.

Core Features & Use Cases

  • Templates & Standards: Provides templates for subagent frontmatter, system prompts, and output formats to accelerate creation.
  • Guided Design: Outlines the decision framework for choosing model, tools, and file structure.
  • Lifecycle & Validation: Defines testing strategies, activation patterns, and governance for adding new subagents.

Quick Start

Use the agent-builder skill to start drafting a new subagent by following the project templates and system prompt guidelines.

Frequently Asked Questions about agent-builder

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build Claude Code subagents for multi-step workflows?

You can design Claude Code subagents by applying structured frontmatter, detailed system prompts, and defined tool-permission guidelines to automate complex, multi-step software development workflows.

What is needed in a Claude Code subagent system prompt?

A Claude Code subagent system prompt needs clearly defined responsibilities, methodology, secure tool-permission guidelines, and measurable success criteria to ensure consistent, high-quality automation.

Does Claude Code subagent creation require specific frontmatter?

Claude Code subagent creation requires structured frontmatter containing name, description, tools, and model to properly establish the agent's identity and operational boundaries.

Can I use templates to create domain-specific Claude Code agents?

Reusable templates for subagent frontmatter, system prompts, and output formats accelerate the creation of domain-specific agents and scalable project-wide workflow automation.

What is the best way to scale Claude Code workflow templates across projects?

Scaling Claude Code workflow templates requires establishing governance for adding new subagents, defining testing strategies, and applying lifecycle validation patterns across projects.

When should I not use a subagent for software development tasks?

Avoid using a subagent when a task lacks measurable success criteria or requires unrestricted tool access, since secure tool-permission guidelines are essential for safe workflow automation.