Skills And Agents

Reference for Claude Code agent file format, frontmatter fields, tool access patterns, and permission modes

Best practices for creating Claude Code skills, agents, and rule files.

Treat context as a finite budget you curate: prune aggressively, isolate large subtasks to subagents, and persist what must survive across sessions.

Optimize Claude Code extensions for speed and token efficiency through shell scripts, model selection, and progressive disclosure.

Reference for Claude Code rule file format, quality criteria, optimization guidelines, and comparison with skills and agents

Reference for Claude Code skill directory layout, frontmatter fields, string substitutions, and invocation control