Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/meta-quest/agentic-tools/hz-vr-debugnpx skills add meta-quest/agentic-tools --skill hz-vr-debuggit clone --depth 1 https://github.com/meta-quest/agentic-toolsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/meta-quest/agentic-tools/hz-vr-debug)<a href="https://agentmods.dev/skills/meta-quest/agentic-tools/hz-vr-debug"><img src="https://agentmods.dev/badge/skills/meta-quest/agentic-tools/hz-vr-debug.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00046 | $0.04136 |
| Opus 5 | $0.00023 | $0.02068 |
| Sonnet 5 | $0.00009 | $0.00827 |
| Haiku 4.5 | $0.00005 | $0.00414 |
Grade A, and why
hz-vr-debug scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 394 lines — stays where its author put it; the contents beside it link to each section on GitHub.
VR Debug Skill
Debug Meta Quest VR and MR applications using the metavr command-line interface. This skill covers viewing application logs, capturing device state, diagnosing crashes, and resolving common issues encountered during Quest development.
When to Use This Skill
Use this skill when you need to:
- Debug an application running on a connected Meta Quest device
- View real-time or historical application logs (logcat)
- Capture screenshots of the VR/MR view
- Diagnose application crashes, rendering glitches, or performance problems
- Investigate tracking, controller, audio, or permission issues
- Pull diagnostic files from the device for offline analysis
This skill is relevant for any Meta Quest headset (Quest 2, Quest 3, Quest 3S, Quest Pro) running Horizon OS.
Prerequisites
Before using this skill, ensure the following are in place:
- metavr CLI ready via
npx-- ThemetavrCLI is invoked on demand; no global install required:
metavr wraps ADB and adds Quest-specific device management, log viewing, screenshot capture, and file management. Examples below use the barenpx -y metavr --versionmetavrcommand. Ifmetavris not on PATH, invoke the same CLI vianpx -y metavr <args>(published as the npm package@meta-quest/metavr). - Meta Quest device connected via USB -- Use a USB-C cable that supports data transfer (not charge-only).
- Developer mode enabled -- Developer mode must be turned on in the Meta Horizon app on your phone, under your headset's settings.
- ADB authorization accepted -- The first time you connect, you must put on the headset and accept the "Allow USB debugging" prompt.
Quick Start Workflow
The fastest way to begin debugging a Quest application:
# 1. Verify the device is connected and recognized
metavr device list
# 2. List applications currently installed
metavr app list
# 3. View live logs (most recent 100 lines)
metavr log
# 4. Capture a screenshot of the current VR view
metavr capture screenshot
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 3d ago First seen · 394 lines · 46 tokens per session scan A 677fb6712c63
hz-vr-debug is a skill published in the GitHub repository meta-quest/agentic-tools (187 stars, last pushed 12d ago), licensed Apache-2.0. It adds 46 tokens to every session and 4,136 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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