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KumoApp: Skill for Claude Code

.agents/skills/swiftui-animation/SKILL.md

swiftui-animation is a skill for Claude Code, Codex from ProjectKumo/KumoApp. It costs 116 tokens per session (3,850 once invoked), scanned A, original, AGPL-3.0.

A guide for creating, reviewing, and improving animations and transitions in SwiftUI, Apple's framework for building app interfaces.

In plain words
What is it for?
Use it when working with explicit or implicit animations, spring effects, phase animations, or keyframe animations in SwiftUI.
Why use it?
It provides direction when interface motion needs to be added or adjusted, including different ways SwiftUI animates changes.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

This is ProjectKumo/KumoApp's own configuration. It tells Claude Code and Codex how to work on KumoApp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything KumoApp configures →

not rated 286repo 5mo ago A scan 116 tokens AGPL-3.0
View source ↗ ProjectKumo/KumoApp usekumo.app
Reuse

Borrowing it

Nothing to install: this file belongs to ProjectKumo/KumoApp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/ProjectKumo/KumoApp/main/.agents/skills/swiftui-animation/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/ProjectKumo/KumoApp

Made for: Claude Code, Codex.

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 swiftui-animation

README.md
[![agentmods](https://agentmods.dev/badge/skills/projectkumo/kumoapp/swiftui-animation/github.svg)](https://agentmods.dev/skills/projectkumo/kumoapp/swiftui-animation)
Your own site
<a href="https://agentmods.dev/skills/projectkumo/kumoapp/swiftui-animation"><img src="https://agentmods.dev/badge/skills/projectkumo/kumoapp/swiftui-animation/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 swiftui-animation

Your own site · 80×15
<a href="https://agentmods.dev/skills/projectkumo/kumoapp/swiftui-animation"><img src="https://agentmods.dev/badge/skills/projectkumo/kumoapp/swiftui-animation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 116 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,850 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 $0.00116 $0.03850
Opus 5.5 $0.00046 $0.01540
Sonnet 5.5 $0.00023 $0.00770
Haiku 4.5 $0.00012 $0.00385

Measured 2mo ago against content hash 3eb81386f92c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

swiftui-animation 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.

.agents/skills/swiftui-animation/SKILL.md · 495 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

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.

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. 2mo ago First seen · 495 lines · 116 tokens per session scan A 3eb81386f92c

Subscribe to this mod's changes

swiftui-animation is a skill published in the GitHub repository ProjectKumo/KumoApp (286 stars, last pushed 5mo ago), licensed AGPL-3.0. It adds 116 tokens to every session and 3,850 once invoked, about $0.0005 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.

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Related

swiftui-animation compared with skills from other repositories

swiftui-animation next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
swiftui-animationProjectKumo/KumoAppSkill2865mo agoAGPL-3.0A116Claude Code, Codex
swift-concurrency-projacklandrin/OnlySwitchSkill6.0kyesterdayMITA35Codex
agent-browserx-cmd/x-cmdSkill4.7k6d agoApache-2.0A39Claude Code, Codex
sweetpadsweetpad-dev/sweetpadSkill1.9k2d agoMITA90Claude Code, Codex
Swift Performance Optimization Skilltermio-sh/termioSkill7854d agoMITA68Claude Code, Codex
native-app-profilingtermio-sh/termioSkill7854d agoMITA45Claude Code, Codex
performance-audittermio-sh/termioSkill7854d agoMITA43Claude Code, Codex