Developer Tools & Repos Agent Skills for Grok Build

CRITICAL: Use for type-driven design. Triggers: type state, PhantomData, newtype, marker trait, builder pattern, make invalid states…

Refactor codebases using Design by Typed Holes methodology - iterative, test-driven refactoring with formal hole resolution, constraint…

When to activate: REST API client, type-safe fetch, Zod validation, OpenAPI codegen, Axios, error handling for HTTP

TypeScript best practices. Use when reading or editing any .ts or .tsx file.

Apply these rules when writing, reviewing, or refactoring TypeScript code.

Apply Transform, Result, Match, and dependency-aware async effect patterns in TypeScript with Remeda, neverthrow, ts-pattern, and…

Use when authoring or reviewing production TypeScript modules, choosing layer and suffix boundaries, modeling domain objects and ports…

Code quality and observability patterns for TypeScript projects.

TypeScript best practices for React development.

/============================================================================/ / TYPESCRIPT-SPECIALIST SKILL :: VERILINGUA x VERIX EDITION…

Enforces maximum type safety and modern architectural patterns for high-performance TypeScript applications.

Migrate or upgrade TypeScript tooling in the Phoenix monorepo.

Generate TypeScript types from schemas/APIs

Reviews code to ensure agent-native parity — any action a user can take, an agent can also take.

Manages native Unreal Engine TArray properties within ReactUMG to ensure type safety and engine compatibility.

Working with UE5 GameMode, PlayerController, Pawn, Character, GameState, or PlayerState

Comprehensive guide for developing UE5 Editor Python scripts with proper workflow and best practices.

Use when a Godot/.NET task needs a Layer 4 overlay UX review for a HUD, menu, overlay, prompt flow, or tool UI, and the agent must…

Ultracite is a zero-config linting and formatting preset for JavaScript/TypeScript projects.

Use when a NativeScript app that used to crash on JS errors now silently keeps running (9.1 behavior change), when configuring…

Provides comprehensive uni-app component and API integration guidance.