AGENT SKILLS · AI DATA ENGINEERING
A skill is not a long prompt
A skill does not store prompt mass. It combines triggers, procedures, resources, tools and tests into a portable work contract.

01 · ROUTINGIs activation and exclusion defined clearly?
02 · CONTRACTAre inputs, procedure, output, failures and quality gates testable?
03 · RUNTIMEAre tools, data access and approvals technically constrained?
CORE METHOD
PROGRESSIVE DISCLOSURE
Metadata is discovered, core instructions load on activation, and references, scripts and assets are used only when required.
Run an ordinary case, boundary case, tool failure and manipulated input. Evaluate routing, artifact, permission boundary and safe failure separately.