Every surface a skill acts through: vendor subscriptions, BC-built services, and agent tool modules. Filter by class, category, access surface, cost shape, or client-portability — and see exactly which skills depend on each one.
client_deliverable is depending on a tool the client cannot run. This is lint rule 14 — see the cards flagged in red below._shared/reference/TECH_STACK_AND_COST_BUCKETS.md.