Text Processing
Line Skip Extractor
Extract lines from text at regular intervals with customizable skip and extract patterns. Perfect for sampling every Nth line or extracting multiple lines with gaps.
text· Text resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/step-line-extractor' \
-H 'Content-Type: application/json' \
-d '{"textInput":"Enter or paste your text content here...\nLine 1\nLine 2\nLine 3\nLine 4\nLine 5\nLine 6\nLine 7\nLine 8\nLine 9\nLine 10","skipCount":4,"extractCount":1,"startIndex":1,"trimLines":false,"includeEmptyLines":false,"preserveLineNumbers":true,"showLineNumbers":true,"outputFormat":"numbered"}'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/step-line-extractorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| textInput | textarea | Yes | — |
| skipCount | number | No | — |
| extractCount | number | No | — |
| startIndex | number | No | — |
| trimLines | checkbox | No | — |
| includeEmptyLines |
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-step-line-extractor": {
"name": "step-line-extractor",
"description": "Extract lines from text at regular intervals with customizable skip and extract patterns. Perfect for sampling every Nth line or extracting multiple lines with gaps.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=step-line-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": "step-line-extractor",
"arguments": {
"textInput": "Enter or paste your text content here...\nLine 1\nLine 2\nLine 3\nLine 4\nLine 5\nLine 6\nLine 7\nLine 8\nLine 9\nLine 10",
"skipCount": 4,
"extractCount": 1,
"startIndex": 1,
"trimLines": false,
"includeEmptyLines": false,
"preserveLineNumbers": true,
"showLineNumbers": true,
"outputFormat": "numbered"
}
}
}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).