Development
HTML Attribute Extractor
Extract specified attributes (href, src, data-*, etc.) from HTML content with tag name filtering support
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/html-attribute-extractor' \
-H 'Content-Type: application/json' \
-d '{"htmlContent":"Paste your HTML content here to extract attributes...","attributes":["href","src"],"tagFilter":"a","includeDataAttributes":true,"extractUrlComponents":false}'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/html-attribute-extractorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| htmlContent | textarea | Yes | — |
| attributes | select | No | — |
| tagFilter | select | No | Optional: Only extract from specific HTML elements |
| includeDataAttributes | checkbox | No | Extract data-* attributes when specified or using data-* wildcard |
| extractUrlComponents | 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-html-attribute-extractor": {
"name": "html-attribute-extractor",
"description": "Extract specified attributes (href, src, data-*, etc.) from HTML content with tag name filtering support",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=html-attribute-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": "html-attribute-extractor",
"arguments": {
"htmlContent": "Paste your HTML content here to extract attributes...",
"attributes": [
"href",
"src"
],
"tagFilter": "a",
"includeDataAttributes": true,
"extractUrlComponents": false
}
}
}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]