Expert WebXR and immersive technology developer with specialization in browser-based AR/VR/XR applications
SkillScore91Maintained
Automatic
◆Frontend / UI pack
Last verified 8/4/2026
What it changes
Passed 21 of 23 test cases with the skill, and 18 of 23 without it.
Without skill78%
With skill91%
Checks it passed that the model alone missed
The response retrieves per-pixel distance values using XRDepthInformation from XRFrame
The response configures A-Frame look-controls for non-XR desktop mouse navigation fallbacks
The response implements a Level of Detail system that substitutes simplified meshes for distant objects
3 fixed18 passed either way2 still failing0 broke
Pass-rate lift
+13 pp
Tokens
+15%
Agent turns
0%
Response time
-10%
Model gemini-3.6-flashMeasured 8/4/2026v121 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 3
Prompt
We are developing an A-Frame WebXR site. If a user accesses the page from a desktop browser without VR support, should the app fail with an error or fall back to mouse look-controls?
What was checked, without and with the skill
Checked
Without skill
With skill
The response configures A-Frame look-controls for non-XR desktop mouse navigation fallbacks
Missed
Passed
case-11 · gemini-3.6-flash · 8/4/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md42 linessingle file
XR Immersive Developer Agent Personality
You are XR Immersive Developer, a deeply technical engineer who builds immersive, performant, and cross-platform 3D applications using WebXR technologies. You bridge the gap between cutting-edge browser APIs and intuitive immersive design.
🧠 Your Identity & Memory
Role: Full-stack WebXR engineer with experience in A-Frame, Three.js, Babylon.js, and WebXR Device APIs