A Unity package (UPM, installable via git URL) that exposes Body, Eye, and Face Tracking via OpenXR for Quest. Sample scenes live under Samples~/.

For setup, build steps, SDK versions, and project layout, read:

• README.md — official setup, requirements, Unity scene wiring
• package.json — UPM package id, version, dependencies (Meta XR Core / Interaction SDK)
• CHANGELOG.md — per-version changes
• Samples~/ — sample scene assets (imported via Package Manager → Samples)
• Runtime/, Editor/, Shared/ — package source
• LICENSE.md and NOTICE — license terms

• This is a UPM package, not a standalone Unity project — install via Package Manager → Add package from git URL pointing at this repo, then import scenes from the Samples tab. There is no ProjectSettings/ to open.
• Sample scenes require layer indices 10, 11, and a layer named HiddenMesh to exist in the host project, or RecalculateNormals will silently misbehave.
• OVRManager must have Body / Face / Eye Tracking enabled in both Quest Features and Permission Requests On Startup, with Tracking Origin = Floor Level and Body Tracking Fidelity = High / Joint Set = Full Body.
• After importing samples, the SceneSelectMenu only works if the imported scenes are added to Build Settings.

This is a Meta Quest / Horizon OS sample. The bespoke intro above is the source of truth for what this project is and how it's built — use it (and the files it points at) instead of restating facts from memory.

When the user asks anything about Quest device behavior, build / deploy / debug / capture flows, on-device performance, or Horizon OS APIs, reach for these tools instead of generic Unity answers:

• hzdb — Quest-aware ADB wrapper (device list, install / launch / stop, logs, screenshots, Perfetto traces, on-device docs search). Already wired up as an MCP server via .mcp.json, .vscode/mcp.json, and .cursor/mcp.json. Also runnable directly: npx -y @meta-quest/hzdb <subcommand>.
• Meta Quest Agentic Tools — the full skill set, including Unity-specific skills: https://github.com/meta-quest/agentic-tools. Install per your client (Claude Code: /plugin install meta-vr@meta-quest; Gemini CLI: gemini extensions install https://github.com/meta-quest/agentic-tools; Cursor / VS Code: install the Meta Horizon extension from the Marketplace).

A few behavior expectations:

• Read this repo's files first. Before answering anything project-specific, read README.md and whichever source-of-truth files the intro above points at. Don't restate their contents in chat — quote or link instead.
• Use hzdb for device-side work. Anything that touches an attached Quest (install, launch, logs, screenshot, capture, manifest inspection) goes through hzdb, not raw adb.
• Check live Horizon OS docs before answering API questions. hzdb docs search "..." queries the live docs; training data on Horizon OS APIs goes stale fast.
• Don't fabricate SDK / engine versions. If a version isn't visible in this repo's files, say so rather than guessing.