REST and RPC surface design: resource modelling, idempotency, pagination that survives inserts, error shapes a client can act on, and versioning that does not strand callers.
NewMaintained
Automatic
◆Coding pack
Last verified 8/3/2026
What it changes
Passed 0 of 25 test cases with the skill, and 25 of 25 without it.
Without skill100%
With skill0%
0 fixed24 passed either way0 still failing1 broke
Pass-rate lift
-100 pp
Tokens
+11%
Agent turns
0%
Response time
+7%
Model gemini-3.6-flashMeasured 8/3/2026v124 of 25 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
What's inside
The instructions your model reads when the skill loads.
SKILL.md5 linessingle file
api-design
REST and RPC surface design: resource modelling, idempotency, pagination that
survives inserts, error shapes a client can act on, and versioning that does
not strand callers.