VirtusLab

Scala CLI website design tokens (brand colors, typography, gutters, motion, Infima mapping). Use when styling or editing tokens.css.

Docs chrome styling for Scala CLI website (sidebar, breadcrumbs, admonitions, code, TOC, paginator). Use when editing docs layout, tokens.css docs rules, or swizzled Doc*/Paginator theme files.

Homepage and product-page layout rules for Scala CLI website (sections, grids, chrome, features nav, icons). Use when editing Home, install, use-case pages, navbar, footer, or related product components.

Product marketing pages for Scala CLI website. Use when editing landing, install, or use-case pages.

TSX component conventions for the Scala CLI Docusaurus website.

Mobile/tablet responsive rules for Scala CLI website (996px Infima breakpoint, navbar collapse, overflow, sticky chrome). Use when editing mobile CSS or product/docs layout at small viewports.

Tailwind v4 + Infima coexistence in Docusaurus. Use when styling, adding utilities, or debugging CSS conflicts.

Add or run Scala CLI integration tests. Use when adding integration tests, debugging RunTests/CompileTests/etc., or working in modules/integration.

Reduce Scala compiler or standard library regressions found in community-build projects to minimal, self-contained scala-cli repros. Use when a Scala nightly breaks a project under community-build3, when Codex needs to auto-discover the matching…

Draft GitHub issues for Scala 3 compiler regressions from minimized repros, version boundaries, bisect results, and community-build failures. Use when Codex needs to turn a confirmed Scala 3 regression into a ready-to-file `scala/scala3` issue title and body…

Use whenever invoking the `git machete` CLI to organize branch chains, compute fork points, run stacked rebases/merges, or manage GitHub/GitLab PR/MR chains - especially in a repo that already has a `.git/machete` file. Lists which subcommands modify…

Use when the user asks to run an Orca flow (e.g. "use orca to implement …"), or when delegating a well-defined implementation task to Orca's autonomous multi-agent flow — a headless plan-code-review CLI to hand a coding task to instead of implementing it…

Look up the public API of any JVM dependency (Scala 3, Scala 2, Java) from the terminal — type signatures, members, docs, and source as Markdown, no JAR unpacking needed. Use this skill whenever you need to call an unfamiliar library method, explore a…

Scala coding style, tooling, and functional programming guidance, with dedicated sections on direct-style Scala, Ox structured concurrency, and synchronous Tapir. Auto-load for any task involving Scala code, especially when using direct-style or "plain" Scala.

Opinionated modern Java (21+) coding best practices, style guides, and anti-patterns. Curated by VirtusLab engineers. Covers code style, null safety, error handling, immutability, testing, concurrency, and tooling.