Design
Generate a clamp() expression from min and max viewport and font-size bounds, with copy-ready CSS and preview data
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/css-fluid-typography-clamp-calc' \
-H 'Content-Type: application/json' \
-d '{"minViewportPx":360,"maxViewportPx":1440,"minFontPx":16,"maxFontPx":32,"rootFontPx":16,"sampleText":"Fluid headline"}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/css-fluid-typography-clamp-calc| Name | Type | Required | Description |
|---|---|---|---|
| minViewportPx | number | Yes | — |
| maxViewportPx | number | Yes | — |
| minFontPx | number | Yes | — |
| maxFontPx | number | Yes | — |
| rootFontPx | number | No | — |
| sampleText |
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-css-fluid-typography-clamp-calc": {
"name": "css-fluid-typography-clamp-calc",
"description": "Generate a clamp() expression from min and max viewport and font-size bounds, with copy-ready CSS and preview data",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=css-fluid-typography-clamp-calc",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "css-fluid-typography-clamp-calc",
"arguments": {
"minViewportPx": 360,
"maxViewportPx": 1440,
"minFontPx": 16,
"maxFontPx": 32,
"rootFontPx": 16,
"sampleText": "Fluid headline"
}
}
}Questions or issues? Contact [email protected]
| text |
| No |
| — |
JSON result
{
"key": {...},
"metadata": {
"key": "value"
},
"error": "Error message (optional)",
"message": "Notification message (optional)"
}