Development
CSS Selector Extractor
Extract and categorize all CSS selectors from CSS content
json· JSON 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-selector-extractor' \
-H 'Content-Type: application/json' \
-d '{"cssContent":"Enter your CSS content here...","includeMediaQueries":true,"includeKeyframes":true,"deduplicate":true,"calculateSpecificity":true}'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-selector-extractorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| cssContent | textarea | Yes | — |
| includeMediaQueries | checkbox | No | Include selectors inside @media queries |
| includeKeyframes | checkbox | No | Include selectors inside @keyframes |
| deduplicate | checkbox | No | Remove duplicate selectors from results |
| calculateSpecificity | checkbox | No |
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-selector-extractor": {
"name": "css-selector-extractor",
"description": "Extract and categorize all CSS selectors from CSS content",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=css-selector-extractor",
"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-selector-extractor",
"arguments": {
"cssContent": "Enter your CSS content here...",
"includeMediaQueries": true,
"includeKeyframes": true,
"deduplicate": true,
"calculateSpecificity": true
}
}
}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]