Tree · Diagram Design
Claude Code skill taxonomy
TIER 0 · ROOT
TIER 1
TIER 2
ROOT
Skills
CAT
Design
ui · visual · ux
CAT
Engineering
ship · review · test
CAT
Research
investigate · analyze
polish
align · space · rhythm
critique
hierarchy · density
review
pre-land diff · sql
ship
merge · deploy · verify
investigate
root cause · evidence
LEGEND
Root · focal
Category branch
Leaf skill
Orthogonal connectors only. Coral marks the root — every branch descends from one idea.