agent-creator
This skill should be used when the user asks to "create an agent", "write a subagent", "generate agent definition", "add agent to plugin", "write agent frontmatter", "create autonomous agent", "build subagent", needs agent structure guidance, YAML frontmatter configuration, invocation criteria with examples, or wants to add specialized subagents to Claude Code plugins with proper capabilities lists and tool access definitions.
npx skills add majiayu000/claude-skill-registry --skill agent-creator-basher83-agent-auditor --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Agent Creator ## Overview Creates subagent definitions for Claude Code. Subagents are specialized assistants that Claude can invoke for specific tasks. **When to use:** User requests an agent, wants to add specialized subagent to plugin, or needs agent structure guidance. **References:** Consult `plugins/meta/claude-docs/skills/official-docs/reference/plugins-reference.md` and `plugins/meta/claude-docs/skills/official-docs/reference/sub-agents.md` for specifications. ## CRITICAL: Two Types of Agents Claude Code has **two distinct agent types** with **different requirements**: ### Plugin Agents (plugins/*/agents/) **Purpose:** Agents distributed via plugins for team/community use **Required frontmatter fields:** - `description` (required) - What this agent specializes in - `capabilities` (required) - Array of specific capabilities **Location:** `plugins/<category>/<plugin-name>/agents/agent-name.md` **Example:** ```markdown --- description: Expert code reviewer validating security and quality capabilities: ["vulnerability detection", "code quality review", "best practices"] --- ``` ### User/Project Agents (.claude/agents/) **Purpose:** Personal agents for individual workflows **Re
- Overview
- CRITICAL: Two Types of Agents
- Plugin Agents (plugins//agents/)
- User/Project Agents (.claude/agents/)
- Agent Structure Requirements (Plugin Agents)
- Creation Process
- Step 0: Determine Agent Type
- Step 1: Define Agent Purpose
- Step 2: Determine Agent Name
- Step 3: List Capabilities
- Step 4: Structure the Agent
- Step 5: Verify Against Official Docs
- Key Principles
- Examples
What does the agent-creator skill do?
This skill should be used when the user asks to "create an agent", "write a subagent", "generate agent definition", "add agent to plugin", "write agent frontmatter", "create autonomous agent", "build subagent", needs agent structure guidance, YAML frontmatter configuration, invocation criteria with examples, or wants to add specialized subagents to Claude Code plugins with proper capabilities lists and tool access definitions.
How do I install it?
Run `npx skills add majiayu000/claude-skill-registry --skill agent-creator-basher83-agent-auditor --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From majiayu000/claude-skill-registry, a repository with 534 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.