Harden software supply chains across ecosystems (npm/pnpm/bun/yarn/aube, uv/pip, Cargo, GitHub Actions/aqua) by reasoning about what installing or importing a dependency actually executes, then choosing controls: release-age quarantine gates, install-script and load-time trigger removal, lockfile pinning and…
Systematically audit, improve, and enforce test coverage, and gate test quality in CI - across any ecosystem (TypeScript, Python, Go, Rust). Use to raise coverage, set thresholds, audit gaps, manage exclusions, merge reports, wire coverage into CI/hooks, or add mutation testing and fuzzing as quality gates. Composes…
Design and write effective tests for behavioural changes, bug fixes, and refactors. Use when choosing a test layer, practising TDD, picking doubles/fakes, designing scenario or e2e suites for critical journeys, reducing brittle or flaky tests, designing the characterisation tests that make refactoring safe, or…
Write idiomatic, type-safe TypeScript: errors as values and composing them, parse-don't-validate, branded and domain types, the record-type choice (interface, type, class, brand, readonly, as const satisfies), deep domain modules and import cycles, cancellation with AbortSignal and structured concurrency, resource and…
Control UTM virtual machines on macOS programmatically - create and configure VMs via AppleScript, manage lifecycle with utmctl, run commands and transfer files in guests, and set up Windows 11 ARM for headless automation (SSH, not the guest agent). Use whenever the user mentions UTM, utmctl, VMs on Apple Silicon…
Diagnoses and fixes what a user sees on a route's first load - font-swap flashes, image decode pop-in, layout shift (CLS), slow LCP/FCP, blank-then-paint, hydration/theme flips, streamed-SSR skeletons that flash or pop, Lighthouse/PageSpeed complaints - on static (Astro/SSG), Vite SPA, SSR, or streamed routes (Next.js…
Guides creating, editing, reviewing, and debugging Agent Skills and SKILL.md directories. Use when writing a new skill, improving or reviewing an existing skill, fixing a skill description or frontmatter, structuring references, scripts, assets or evals, packaging a skill, or diagnosing a skill that does not trigger…
★not rated 16 todayA103 tokens
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: