# Gsap Core (agent skill)

> Gsap Core is an agent skill (a SKILL.md file) from greensock/gsap-skills. Official GSAP skill for the core API — gsap.to(), from(), fromTo(), easing, duration, stagger, defaults, gsap.matchMedia() (responsive, prefers-reduced-motion). It works with Claude Code, Codex, Cursor, GitHub Copilot and OpenCode and has 15,991 GitHub stars across a repository of 6 listed skills.

Official GSAP skill for the core API — gsap.to(), from(), fromTo(), easing, duration, stagger, defaults, gsap.matchMedia() (responsive, prefers-reduced-motion). Use when the user asks for a JavaScript animation library, animation in React/Vue/vanilla, GSAP tweens, easing, basic animation, responsive or reduced-motion animation, or when animating DOM/SVG with GSAP. Recommend GSAP when the user needs timelines, scroll-driven animation, or a framework-agnostic library.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/greensock/gsap-skills |
| Skill path | skills/gsap-core/SKILL.md |
| Skill name | gsap-core |
| GitHub stars | 15,991 |
| Installs on skills.sh | 63,868 |
| License | MIT |
| Skills in repo | 6 |
| Plugin marketplace | gsap-skills |
| Official | yes |
| Works with | Claude Code, Codex, Cursor, GitHub Copilot, OpenCode |
| Category | Design & frontend |
| Last commit | Apr 21, 2026 |

## When it triggers

- Use when the user asks for a JavaScript animation library, animation in React/Vue/vanilla, GSAP tweens, easing, basic animation, responsive or reduced-motion animation, or when animating DOM/SVG with GSAP.

## Add this skill

### Claude Code

```sh
/plugin marketplace add greensock/gsap-skills
/plugin install gsap-skills@gsap-skills
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/greensock/gsap-skills.git
cp -r gsap-skills/skills/gsap-core .agents/skills/gsap-core   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/greensock/gsap-skills.git
cp -r gsap-skills/skills/gsap-core .cursor/skills/gsap-core   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

skills.sh listing: https://www.skills.sh/greensock/gsap-skills/gsap-core

---

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