roblox-skills

Building worlds with code - parts, models and pivots, materials, Lighting (LightingStyle, Atmosphere, post-processing), day/night, Terrain API, in-game CSG and destruction (GeometryService Subtract/Union/Fragment), ProceduralModel, EditableMesh/EditableImage, particles/beams/trails/highlights. Use when creating maps, environments, lighting, destructible objects, procedural levels, or visual effects.

Responsive cross-platform UI - ScreenGui and safe areas (ScreenInsets), Scale vs Offset, UIListLayout flex/UIFlexItem, constraints, StyleSheets/tokens/themes, RichText, gamepad/touch navigation, UIDragDetector, CanvasGroup, tweens, BillboardGui/SurfaceGui, React-lua/Fusion/Vide. Use when building HUDs, menus, shops, inventories, or fixing UI that breaks on mobile, console, or other screen sizes.

Modern, type-safe Luau for Roblox, covering --!strict and the new type solver, generics, string interpolation, if-expressions, task library, require-by-string, module/OOP patterns, error handling with retries, buffer/vector, and legacy APIs to avoid. Use when writing, refactoring, or explaining any Roblox script, fixing type errors, or modernizing old Lua code.

Recipes for common systems built on server authority - currency service and leaderstats, XP/levels, round loops with intermission and teams, validated melee/ranged combat, inventory and tools, soft-currency shops, obby checkpoints, daily rewards, pets. Use when implementing or reviewing gameplay systems such as rounds, combat, weapons, inventories, shops, currencies, or progression.

Review Roblox/Luau code for exploits, data loss, memory leaks, performance problems, lifecycle bugs, policy issues, and deprecated or superseded APIs, using a severity-ranked checklist and the full 2026 deprecation map. Use when reviewing a PR or script, auditing a game before launch, modernizing legacy code, or asked what is wrong with some Roblox code.

Characters and animation - Humanoid properties/states, spawning (LoadCharacterAsync), health and damage, HumanoidDescription appearance, Animator/AnimationTrack playback, priorities and markers, default animation replacement, Tools, TweenService, IKControl, Character Controller Library (beta). Use when changing movement, abilities, damage, respawn, avatars, animations, tweens, or tools/weapons.

Roblox project structure and client/server model - replication, where code and assets belong (ServerScriptService, ReplicatedStorage, StarterPlayer), RunContext, service/controller bootstrapping, player/character lifecycle, CollectionService components, attributes, streaming-safe client code, library choices. Use when starting a project, deciding where code goes, or fixing replication/streaming bugs.

Drive Roblox Studio from an AI agent via the built-in Studio MCP server - connecting Claude Code, Codex, Cursor, OpenCode, Gemini CLI; tools to explore the DataModel, read/edit scripts, run Luau in edit/server/client, playtest, read output, capture screenshots, simulate input, insert assets. Use when an agent should inspect, modify, or playtest an open Studio place, or to set up the connection.

Client-server communication - RemoteEvent, UnreliableRemoteEvent, RemoteFunction, what survives serialization, typed remote modules, server validation and rate limiting, bandwidth (deltas, buffers, batching), synced time, Zap/Blink. Use when adding remotes, syncing state to clients, debugging nil/lost remote arguments, or reducing lag and bandwidth.

Sound and music - the Audio API (AudioPlayer, AudioEmitter, AudioListener, AudioDeviceOutput, Wire, effects, faders), classic Sound/SoundGroup, 2D vs 3D audio, music and SFX volume, client vs server playback, asset permissions, streaming caveats, voice routing, text-to-speech. Use when adding music, sound effects, spatial audio, mixing, or fixing sounds that don't play.

Player input and cameras across keyboard/mouse, touch, gamepad, VR - Input Action System (InputContext, InputAction, InputBinding), UserInputService (PreferredInput, gameProcessedEvent, mouse lock), ContextActionService, reserved keys, custom cameras with BindToRenderStep. Use when adding controls, keybinds, abilities, vehicles, on-screen buttons, or custom cameras.

Robux monetization - developer products with idempotent ProcessReceipt, passes, subscriptions, rewarded video ads, personalized shops, regional pricing and trade arbitrage, paid random item policy (PolicyService), commerce products, private servers, Roblox Plus, refunds, age checks and the US 18+ rate. Use when adding purchases, shops, game passes, subscriptions, ads, or loot boxes, or debugging lost/duplicated purchases.

NPCs and enemy AI - PathfindingService (CreatePath, ComputeAsync, costs, modifiers, links, blocked paths), chase/follow loops, state machines, perception and line of sight, spawning/pooling, scaling to many NPCs. Use when creating enemies, pets, followers, shopkeepers, wave spawners, or fixing NPCs that get stuck, jitter, or lag the server.

Multi-place and multi-server games - universes and places, TeleportAsync with TeleportOptions (reserved/specific servers, teleport data), retrying failed teleports, secure access control, lobby-to-match flows, parties and queues, Roblox matchmaking with custom signals, server type detection, data handoff. Use when adding lobbies, match servers, dungeons, parties, server browsers, or customizing server selection.

Professional Roblox toolchain - Studio Script Sync vs Rojo, Rokit, Wally/pesde packages, luau-lsp with sourcemaps, StyLua, selene, darklua, Lune, roblox-ts, .luaurc, git, GitHub Actions CI and Open Cloud publishing. Use when creating a Roblox repo, configuring VS Code/Cursor, adding packages, fixing sourcemap/require typing, or automating builds and deploys.

Chat and text safety - TextChatService (channels, SendAsync, ShouldDeliverCallback, OnIncomingMessage, commands, bubbles, custom UI), mandatory TextService filtering of any player-authored text, rate limits, privacy checks, PolicyService restrictions, legacy Chat migration. Use when adding chat features or commands, or any feature that shows one player's text to others (names, signs, notes).