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 skills add meta-quest/agentic-tools --skill hz-unity-passthrough-camera-accessgit 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-unity-passthrough-camera-access)<a href="https://agentmods.dev/skills/meta-quest/agentic-tools/hz-unity-passthrough-camera-access"><img src="https://agentmods.dev/badge/skills/meta-quest/agentic-tools/hz-unity-passthrough-camera-access.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 5.1 | $0.00197 | $0.01350 |
| Opus 5 | $0.00098 | $0.00675 |
| Sonnet 5 | $0.00039 | $0.00270 |
| Haiku 4.5 | $0.00020 | $0.00135 |
Grade A, and why
hz-unity-passthrough-camera-access 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 7d 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 — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Meta Quest Passthrough Camera Access (PCA)
Building on top of the Android Camera2 API, Passthrough Camera Access provides access to the forward-facing RGB cameras on Quest 3 and Quest 3S for the purpose of supporting Computer Vision and Machine Learning. This API is distinct from the Media Projection API, which supports casting from the user's POV (including the UI) and should be used if your purpose is to represent what the user is seeing. Use the Passthrough Camera API to add application-specific computer-vision capabilities that extend the understanding of the user's environment and actions beyond what is provided by the Quest Scene API.
Use Cases
This API provides an unobstructed view using the forward-facing RGB cameras and can be integrated with ML/CV pipelines. Common use cases:
- Specially-trained ML/CV models that identify specific objects the application can interact with (e.g. fitness equipment like dumbbells, industrial equipment like audio mixers).
- ML/CV assistants or guides for experiences. For instance, a museum tour where looking at a painting surfaces information about its history, artist, and style using off-device LLMs.
- Feedback for training or special-interest applications — after asking the user to perform a task, the app can detect whether it was done correctly by interpreting changes to the environment (e.g. writing on a whiteboard).
- Design improvements. By interpreting the lighting or using the camera image to modify a texture, much more realistic design effects can be achieved.
General Prerequisites
- Horizon OS v74 or later.
- Quest 3 or Quest 3S (Quest Pro and earlier are not supported).
- Either permission
android.permission.CAMERAorhorizonos.permission.HEADSET_CAMERA.CAMERAgrants access to both the passthrough and avatar cameras;HEADSET_CAMERAgrants access only to the passthrough camera. - The Passthrough feature must be enabled to access the Passthrough Camera API.
What ships with it
2 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.
- 7d ago First seen · 104 lines · 197 tokens per session scan A 71ed448dceae
hz-unity-passthrough-camera-access is a skill published in the GitHub repository meta-quest/agentic-tools (189 stars, last pushed 16d ago), licensed Apache-2.0. It adds 197 tokens to every session and 1,350 once invoked, about $0.0010 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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