Client

Claude Code

Anthropic's Claude Code CLI and desktop agent. Reads skills from .claude/skills/ and subagent definitions from .claude/agents/ at both project and user scopes. Subagent files are Markdown with YAML frontmatter - the frontmatter carries fields like name, description, tools, and model, and the body becomes the subagent's system prompt.

Client ID
claude-code
Project Skill Directory
.claude/skills
User Skill Directory
~/.claude/skills
Skill File Name
SKILL.md
Project Agent Directory
.claude/agents
User Agent Directory
~/.claude/agents
Agent File Format
Markdown with YAML Frontmatter