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-api-upgradenpx skills add meta-quest/agentic-tools --skill hz-api-upgradegit 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-api-upgrade)<a href="https://agentmods.dev/skills/meta-quest/agentic-tools/hz-api-upgrade"><img src="https://agentmods.dev/badge/skills/meta-quest/agentic-tools/hz-api-upgrade.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 | $0.00038 | $0.01508 |
| Opus 5 | $0.00019 | $0.00754 |
| Sonnet 5 | $0.00008 | $0.00302 |
| Haiku 4.5 | $0.00004 | $0.00151 |
Grade A, and why
hz-api-upgrade 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 5d 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 — 175 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Horizon API Upgrade Skill
When to Use
Use this skill when:
- Upgrading an existing Quest application to a newer Horizon OS SDK version
- Fixing deprecated API warnings or compilation errors after an SDK update
- Migrating between major API versions (e.g., VrApi to OpenXR)
- Understanding what changed between SDK releases
- Planning an upgrade path for a project that has fallen behind on SDK versions
General Upgrade Workflow
Every SDK upgrade, regardless of platform, follows the same high-level process:
1. Identify Current SDK Version
Determine what version the project currently targets:
- Unity: Check
Packages/manifest.jsonor the Package Manager UI forcom.meta.xr.*package versions - Unreal: Check the Meta XR Plugin version in
.upluginfiles or the Plugins browser - Spatial SDK / Android: Check
build.gradleorbuild.gradle.ktsforcom.meta.spatial:*dependency versions - Web / IWSDK: Check
package.jsonfor@meta-spatial-sdk/*or@iwsdk/*package versions
2. Check the API Changelog
Before upgrading, review what changed between your current version and the target version. See references/api-changelog.md for a summary of recent changes.
Use the device hub to search documentation:
metavr docs search "release notes v72"
metavr docs search "migration guide openxr"
3. Update SDK Dependencies
Update the version numbers in your project configuration:
- Unity: Update via Package Manager or edit
manifest.jsondirectly - Unreal: Download and install the new plugin version
- Gradle projects: Bump version strings in
build.gradle - npm projects: Run
npm updateor editpackage.json
4. Fix Deprecated API Calls
After updating, compile the project and address errors and warnings. See references/deprecation-guide.md for common replacements.
# Search project for known deprecated APIs
grep -rn "vrapi_" --include="*.c" --include="*.cpp" --include="*.h" src/
grep -rn "OVRManager" --include="*.cs" Assets/
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.
- 5d ago First seen · 175 lines · 38 tokens per session scan A 08e2f51ecd65
hz-api-upgrade is a skill published in the GitHub repository meta-quest/agentic-tools (189 stars, last pushed 14d ago), licensed Apache-2.0. It adds 38 tokens to every session and 1,508 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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