optimize

optimize is a skill for Claude Code from khanhhuyenngo985-sys/character-scene-design-skills. It costs 52 tokens per session (1,877 once invoked), scanned A, original, no licence file.

A UI performance tool for finding and fixing slow loading, rendering, animations, images, and large bundles. A bundle is the set of files sent to a browser to run a web interface.

In plain words
What is it for?
It is for improving load times, rendering, animations, image handling, and bundle size.
Why use it?
It helps identify what makes an interface slow, laggy, or visually jerky instead of relying on guesswork.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Good fit It is for improving load times, rendering, animations, image handling, and bundle size.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/khanhhuyenngo985-sys/character-scene-design-skills/optimize
Install

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.

Any agent
npx skills add khanhhuyenngo985-sys/character-scene-design-skills --skill optimize
Clone the repo
git clone --depth 1 https://github.com/khanhhuyenngo985-sys/character-scene-design-skills

Made for: Claude Code.

Wrote 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.

agentmods badge for optimize

README.md
[![agentmods](https://agentmods.dev/badge/skills/khanhhuyenngo985-sys/character-scene-design-skills/optimize/github.svg)](https://agentmods.dev/skills/khanhhuyenngo985-sys/character-scene-design-skills/optimize)
Your own site
<a href="https://agentmods.dev/skills/khanhhuyenngo985-sys/character-scene-design-skills/optimize"><img src="https://agentmods.dev/badge/skills/khanhhuyenngo985-sys/character-scene-design-skills/optimize/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.

agentmods 80×15 button for optimize

Your own site · 80×15
<a href="https://agentmods.dev/skills/khanhhuyenngo985-sys/character-scene-design-skills/optimize"><img src="https://agentmods.dev/badge/skills/khanhhuyenngo985-sys/character-scene-design-skills/optimize.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,877 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00052 $0.01877
Opus 5.5 $0.00021 $0.00751
Sonnet 5.5 $0.00010 $0.00375
Haiku 4.5 $0.00005 $0.00188

Measured 1mo ago against content hash c6dd784b70bd, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

optimize 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 1mo 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.

skills/.archive/ECC-codegen/optimize/SKILL.md · 267 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

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.

  1. 1mo ago First seen · 267 lines · 52 tokens per session scan A c6dd784b70bd

Subscribe to this mod's changes

optimize is a skill published in the GitHub repository khanhhuyenngo985-sys/character-scene-design-skills (17 stars, last pushed 5mo ago), with no licence file. It adds 52 tokens to every session and 1,877 once invoked, about $0.0002 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 2026-08-31.

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