Design

CSS Easing and Animation Visualizer

Visualize a CSS cubic-bezier easing curve, preview it live on position/opacity/scale, pick presets, and export copy-ready CSS

html· HTML resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/css-easing-visualizer' \
  -H 'Content-Type: application/json' \
  -d '{"easing":"cubic-bezier(0.34, 1.56, 0.64, 1)","preset":"ease-out-back","duration":600,"delay":0}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/css-easing-visualizer

Parameters

Name	Type	Required	Description
easing	text	No	—
preset	select	No	—
duration	number	No	—
delay	number	No	—

Response format

HTML result

JSON

{
  "result": "<div>Processed HTML content</div>",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-css-easing-visualizer": {
      "name": "css-easing-visualizer",
      "description": "Visualize a CSS cubic-bezier easing curve, preview it live on position/opacity/scale, pick presets, and export copy-ready CSS",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=css-easing-visualizer",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "css-easing-visualizer",
    "arguments": {
  "easing": "cubic-bezier(0.34, 1.56, 0.64, 1)",
  "preset": "ease-out-back",
  "duration": 600,
  "delay": 0
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

Browse tools Open tool

curl -X POST 'https://api.elysiatools.com/en/api/tools/css-easing-visualizer' \ -H 'Content-Type: application/json' \ -d '{"easing":"cubic-bezier(0.34, 1.56, 0.64, 1)","preset":"ease-out-back","duration":600,"delay":0}'

Name

Type

Required

Description

easing

text

—

preset

select

—

duration

number

—

delay

number

—

{ "mcpServers": { "elysiatools-css-easing-visualizer": { "name": "css-easing-visualizer", "description": "Visualize a CSS cubic-bezier easing curve, preview it live on position/opacity/scale, pick presets, and export copy-ready CSS", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=css-easing-visualizer", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "css-easing-visualizer", "arguments": { "easing": "cubic-bezier(0.34, 1.56, 0.64, 1)", "preset": "ease-out-back", "duration": 600, "delay": 0 } } }