using-skills
Auto-loaded at session start via SessionStart hook. Teaches skill invocation protocol, tool selection rules (look-at for media, skills for workflows), agent delegation patterns, and enforcement mechanisms. NOT user-triggered - provides foundational skill usage discipline for all sessions.
tool-selection
Use when selecting between MCP tools based on task complexity and requirements - provides a structured selection workflow and decision rationale.
Searching Intelligently
Intelligently select and use the most appropriate search tool based on search intent. Use when searching for information, whether web content, local files, locations, or specific data. Automatically chooses between WebSearch, Brave Search, Firecrawl, Desktop Commander, or other search MCPs.
claude-code-agent-patterns
Activate when creating or modifying Claude Code agents with proper architecture patterns, tool selection, and extended context integration