MCPInstall

modals-dialogs

Use when animating modals, dialogs, popovers, or overlay content to create smooth entrances and exits

Installs
528
Last 24h
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Trending rank
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Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/dylantarre/animation-principles --skill modals-dialogs
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads modals-dialogs automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Modal & Dialog Animation Principles

Apply Disney's 12 principles to modals for seamless, non-jarring transitions.

Principles Applied to Modals

1. Squash & Stretch

Modal can scale from 0.9 to 1.0 on enter, creating a subtle expansion feel. Exit reverses. Keep it subtle to maintain professionalism.

2. Anticipation

Trigger element (button) should react before modal appears. Brief scale-down of trigger, then modal emerges from that point.

3. Staging

Backdrop dims (0.5-0.7 opacity) to focus attention on modal. Background content can blur slightly (4-8px). Modal is the star.

4. Straight Ahead & Pose to Pose

Define states: hidden, entering, visible, exiting. Clear keyframes for each. Pose-to-pose ensures predictable, controllable animation.

5. Follow Through & Overlapping Action

Modal container arrives first, content fades in 50-100ms after. Close button can have slight bounce at end. Stagger form fields.

6. Ease In & Ease Out

Enter: ease-out (decelerates in). Exit: ease-in (accelerates out). cubic-bezier(0.16, 1, 0.3, 1) for smooth, bouncy enter.

7. Arcs

If modal originates from a button, arc toward center rather than straight line. Creates more organic movement path.

8. Secondary Action

While modal scales in (primary), backdrop fades (secondary), content staggers (tertiary). Each supports without competing.

9. Timing

  • Backdrop fade: 200-250ms
  • Modal enter: 250-350ms
  • Modal exit: 200ms (faster out)
  • Content stagger: 30-50ms per item
  • Shake on error: 300ms

10. Exaggeration

Dramatic entrance for important alerts. Slight overshoot scale (1.02) before settling at 1.0. Error modals can shake briefly.

11. Solid Drawing

Modal shadows should match interface light source. Maintain consistent border-radius. Content should never overflow during animation.

12. Appeal

Smooth entrances feel polished. Origin-point animation feels connected. Abrupt modals feel jarring. Invest in modal transitions.

CSS Implementation

.modal-backdrop {
  transition: opacity 250ms ease-out;
}

.modal {
  animation: modalEnter 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

Key Properties

  • transform: scale, translate (origin point)
  • opacity: fade in/out
  • backdrop-filter: blur background
  • animation: keyframe sequences
  • transform-origin: source point

FAQ

What does the modals-dialogs skill do?

Use when animating modals, dialogs, popovers, or overlay content to create smooth entrances and exits

How do I install modals-dialogs?

Run npx skills add https://github.com/dylantarre/animation-principles --skill modals-dialogs in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/modals-dialogs/ (personal) or .claude/skills/modals-dialogs/ (project).

Which AI agents can use modals-dialogs?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is modals-dialogs safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains modals-dialogs?

It is published by dylantarre in dylantarre/animation-principles. It has 528 recorded installs.

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