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 SummerEngine/summer-engine-agent --skill use-widget-assetgit clone --depth 1 https://github.com/SummerEngine/summer-engine-agentWrote 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/summerengine/summer-engine-agent/use-widget-asset)<a href="https://agentmods.dev/skills/summerengine/summer-engine-agent/use-widget-asset"><img src="https://agentmods.dev/badge/skills/summerengine/summer-engine-agent/use-widget-asset/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/summerengine/summer-engine-agent/use-widget-asset"><img src="https://agentmods.dev/badge/skills/summerengine/summer-engine-agent/use-widget-asset.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00099 | $0.02916 |
| Opus 5.5 | $0.00040 | $0.01166 |
| Sonnet 5.5 | $0.00020 | $0.00583 |
| Haiku 4.5 | $0.00010 | $0.00292 |
Grade A, and why
use-widget-asset 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 2mo 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- use-widget-asset — 89% identical, 22 lines differ
How it starts
The opening of the file, as written. The whole thing — 220 lines — stays where its author put it; the contents beside it link to each section on GitHub.
use-widget-asset — Wire a sliced widget into a Summer Engine control
When the create-asset-sheet wizard sees a stretchable UI element (a panel, a slider, a progress bar, a toggle), it returns more than a flat PNG. It returns geometry: 9-slice frame margins for stretchable rectangles, and a fill rect for value-driven widgets. It also pairs ON/OFF toggle slices via pairWith. This skill is the runtime side: how to read that metadata and wire the asset into the right Summer Engine node.
If a slice has no widget metadata, treat it as a static texture (TextureRect) and skip this skill.
Shape support (read first)
The single rule that governs everything below:
9-slice for any AABB-fitting stretchable widget. Static texture for everything else.
Concrete:
| Shape | Approach | Why |
|---|---|---|
| Rectangle (panel, button, bar, frame) | NinePatchRect with frameMargins |
4 corners stay fixed, 4 edges stretch on one axis, center stretches both. Standard 9-slice. |
| Rounded rectangle | NinePatchRect with frameMargins |
Corner radii live inside the fixed corner cells. Identical to plain rectangle. |
| Circle / ellipse (round button, gem) | Static TextureRect, scale uniformly |
No edge to stretch — the shape has no "interior to grow." |
| Diamond / hexagon (badge) | Either ship at multiple sizes OR static texture, scale uniformly | 9-slice would distort the angled corners. SDF would solve it but is overkill for this pipeline. |
| Diagonal banner | NinePatchRect, accept some distortion |
Slopes sit in the fixed corner cells; horizontal middle stretches. Looks fine if not stretched aggressively. |
| Organic shape (scroll, ribbon, painted sash) | Static TextureRect |
Not stretchable in any direction. Regenerate at the target size if you need a different one. |
The wizard's vision detector only emits widget metadata for the 5 kinds it knows how to slice (slider, progress_bar, toggle, panel, button). Anything else lands as a static category: ui slice with no widget field — fall through to "render as TextureRect" and skip the rest of this skill.
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.
- 2mo ago First seen · 220 lines · 99 tokens per session scan A c07f53dec8f6
use-widget-asset is a skill published in the GitHub repository SummerEngine/summer-engine-agent (59 stars, last pushed 1mo ago), licensed MIT. It adds 99 tokens to every session and 2,916 once invoked, about $0.0004 per session on Opus 5.5. 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.
use-widget-asset compared with skills from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| use-widget-assetSummerEngine/summer-engine-agent | Skill | 59 | 1mo ago | MIT | A | 99 | Claude Code |
| game-ui-uxgamedev-skills/awesome-gamedev-agent-skills | Skill | 6.9k | 9d ago | Apache-2.0 | A | 123 | Claude Code |
| roblox-uigamedev-skills/awesome-gamedev-agent-skills | Skill | 6.9k | 9d ago | Apache-2.0 | A | 101 | Claude Code, Codex |
| self-evolvetettethu/VibeGame | Skill | 367 | 24d ago | Apache-2.0 | A | 50 | Claude Code, Codex |
| artist-self-evolvetettethu/VibeGame | Skill | 367 | 24d ago | Apache-2.0 | A | 62 | Claude Code, Codex |
| vibegame-buildtettethu/VibeGame | Skill | 367 | 24d ago | Apache-2.0 | A | 42 | Claude Code, Codex |
| vibegame-starttettethu/VibeGame | Skill | 367 | 24d ago | Apache-2.0 | A | 61 | Claude Code, Codex |