Software Development Skills

Comprehensive writing guide for Angular documentation (adev). Covers Google Technical Writing standards, Angular-specific markdown extensions, code blocks, and components. You MUST use this skill any time you plan to create, edit, or review documentation files in adev/ or adev/src/content.

Apply clean architecture boundaries, use cases, repositories, and lifecycle-aware presentation models in Android projects.

Build Android UI with Jetpack Compose foundations, layouts, modifiers, theming, and stable component structure.

Use coroutines, Flow, structured concurrency, dispatchers, and cancellation-safe Android async pipelines.

Shape Android build logic with Gradle, version catalogs, plugins, convention patterns, and toolchain compatibility.

Use Kotlin idioms safely in Android apps, including nullability, data classes, sealed types, extension functions, and collection pipelines.

Build Android networking stacks with Retrofit, OkHttp, interceptors, API contracts, and resilient error handling.

Write fast, focused Android unit tests for reducers, use cases, repositories, and lifecycle-safe state holders.

Clerk Backend REST API explorer and executor. Browse tags, inspect endpoint schemas, and execute authenticated requests. Use when listing users, managing organizations, or calling any Clerk API endpoint.

Use when deploying Deno apps to production, asking about Deno Deploy, or working with deno deploy CLI commands. Covers deployment workflows, environment variables, KV database access, custom domains, the --tunnel flag for local development, and the deno deploy command reference.

Expert-level Deno knowledge for code review, debugging, and best practice enforcement. Use when reviewing Deno code or answering advanced Deno questions.

Use when working with Fresh framework, creating routes or handlers in Fresh, building web UIs with Preact, or adding Tailwind CSS in Deno. Covers Fresh 2.x project structure, route handlers, islands, createDefine, PageProps, context patterns, and Fresh 1.x to 2.x migration. Essential for any Fresh-related question.

Use when starting any Deno project, choosing packages, configuring deno.json, or running CLI commands. Provides foundational knowledge for building modern Deno applications.

Use when building features that execute untrusted user code, AI-generated code, or need isolated code execution environments. Covers the @deno/sandbox SDK.

Migrates Kotlin Multiplatform (KMP) projects to Android Gradle Plugin 9.0+. Handles plugin replacement (com.android.kotlin.multiplatform.library), module splitting, DSL migration, and the new default project structure. Use when upgrading AGP, when build fails due to KMP+AGP incompatibility, or when the user mentions AGP 9.0, android multiplatform plugin, KMP migration, or com.android.kotlin.multiplatform.library.

Migrate KMP projects from CocoaPods (kotlin("native.cocoapods")) to Swift Package Manager (swiftPMDependencies DSL) — replaces pod() with swiftPackage(), transforms cocoapods. imports to swiftPMImport., and reconfigures the Xcode project.

Master data manipulation, analysis, and visualization with Pandas, NumPy, and…

Prisma CLI commands reference covering all available commands, options, and usage patterns. Use when running Prisma CLI commands, setting up projects, generating client, running migrations, managing databases, or starting Prisma's MCP server. Triggers on "prisma init", "prisma generate", "prisma migrate", "prisma db", "prisma studio", "prisma mcp".

Prisma Client API reference covering model queries, filters, operators, and client methods. Use when writing database queries, using CRUD operations, filtering data, or configuring Prisma Client. Triggers on "prisma query", "findMany", "create", "update", "delete", "$transaction".

Prisma Postgres setup and operations guidance across Console, create-db CLI, Management API, and Management API SDK. Use when creating Prisma Postgres databases, working in Prisma Console, provisioning with create-db/create-pg/create-postgres, or integrating programmatic provisioning with service tokens or OAuth.

Use when writing new Rails code for a project using the PostgreSQL + Hotwire + Tailwind CSS stack.

React Three Fiber 3D renderer for json-render. Use when working with @json-render/react-three-fiber, building 3D scenes from JSON specs, rendering meshes/lights/models/environments, or integrating Three.js with json-render catalogs.

Explains the mental model and architecture of the code under packages/compiler-cli.

Explains the mental model and architecture of the code under packages/core.