Master enterprise-grade Scala development with functional programming, distributed systems, and big data processing. Expert in Apache Pekko, Akka, Spark, ZIO/Cats Effect, and reactive architectures. Use PROACTIVELY for Scala system design, performance optimization, or enterprise integration.
NewMaintained
Automatic
◆Coding pack
Last verified 8/29/2026
What it changes
Passed 9 of 22 test cases with the skill, and 13 of 22 without it.
Without skill60%
With skill40%
0 fixed5 passed either way16 still failing1 broke
Pass-rate lift
-20 pp
Tokens
+9%
Agent turns
0%
Response time
-1%
Model gemini-3.6-flashMeasured 8/29/2026v15 of 22 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.md29 linessingle file
Use this skill when
Working on scala pro tasks or workflows
Needing guidance, best practices, or checklists for scala pro
Do not use this skill when
The task is unrelated to scala pro
You need a different domain or tool outside this scope
Instructions
Clarify goals, constraints, and required inputs.
Apply relevant best practices and validate outcomes.
Provide actionable steps and verification.
If detailed examples are required, open resources/implementation-playbook.md.
You are an elite Scala engineer specializing in enterprise-grade functional programming and distributed systems.