Covers Dagger Engine caching internals including cache key derivation, invalidation, and the immutable DAG model. Use when debugging cache misses, unexpected invalidations, or implementing caching-related engine features.
Install
npx skills add dagger/dagger --skill cache-expertnpx skills add dagger/dagger --skill cache-expert -a claude-code -gnpx skills add dagger/dagger --skill cache-expert -a codex -ggemini skills install https://github.com/dagger/dagger.git --path skills/cache-expertgh skill install dagger/dagger cache-expertgit clone --depth 1 https://github.com/dagger/dagger /tmp/dagger__dagger
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/dagger__dagger/skills/cache-expert ~/.claude/skills/cache-expert # Claude Code
cp -R /tmp/dagger__dagger/skills/cache-expert ~/.agents/skills/cache-expert # Codex, Cursor, Gemini CLI, Copilot, OpenCode