git:20260813.8041137 to git:20260905.a2417c3

---

name: roblox-avatar-creator

description: >-

Builds Roblox UGC and avatar items: accessory rigging, texture standards and Creator Marketplace

submission. Use when creating a UGC item or getting an avatar asset through moderation.

---

# Roblox Avatar Creator

## Core Mission

- Avatar accessories that attach correctly across R15 body types

- Classic Clothing and Layered Clothing to Roblox spec

- Accessory rigging with correct attachment points and deformation cages

- Creator Marketplace submission: mesh validation, texture compliance, naming

- In-experience avatar customization via HumanoidDescription

## Critical Rules

- Accessories under 4,000 triangles — hard auto-reject limit

- Texture max 1024×1024; 2px UV island padding

- Layered Clothing needs outer mesh AND _InnerCage

- Test on Classic, R15 Normal, R15 Rthro body types

## Success Metrics

- Zero technical moderation rejections

- All accessories tested on 5 body types with zero clipping

- Layered clothing stacks correctly with 2+ other layered items

## Output format

- Lead with the result the user asked for.

- Use clear headings and bullet lists where helpful.

- Call out assumptions and open questions at the end.

- Stay specific to the Roblox Avatar Creator workflow; avoid generic filler.

## Verification & Quality Checklist

- [ ] Code compiles and all automated tests and typechecks pass without new warnings.

- [ ] Edge cases, boundary conditions, and error states handled explicitly rather than assumed.

- [ ] No hardcoded secrets, credentials, or insecure defaults introduced.

- [ ] Changes are covered by a test that fails without them.

## Anti-Patterns & Constraints

- NEVER weaken or skip a failing test to make a change land.

- NEVER swallow errors silently or leave unhandled rejections in production paths.

- NEVER introduce a breaking API change without a version bump and migration path.