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Text Processing

Multiline Merger

Merge multiple lines into a single line with customizable separators and formatting options

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/multiline-merger' \
  -H 'Content-Type: application/json' \
  -d '{"text":"Enter multiline text to merge into a single line...","separator":"space","customSeparator":"Enter custom separator...","trimMode":"trim","removeEmptyLines":true,"preserveSpaces":false,"maxLineLength":0,"addPrefix":"Text to add at the beginning (optional)","addSuffix":"Text to add at the end (optional)"}'

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/multiline-merger

Parameters

NameTypeRequiredDescription
texttextareaYes—
separatorselectNo—
customSeparatortextNoOnly used when "Custom separator" is selected
trimModeselectNo—
removeEmptyLinescheckboxNo—

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-multiline-merger": {
      "name": "multiline-merger",
      "description": "Merge multiple lines into a single line with customizable separators and formatting options",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=multiline-merger",
      "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": "multiline-merger",
    "arguments": {
  "text": "Enter multiline text to merge into a single line...",
  "separator": "space",
  "customSeparator": "Enter custom separator...",
  "trimMode": "trim",
  "removeEmptyLines": true,
  "preserveSpaces": false,
  "maxLineLength": 0,
  "addPrefix": "Text to add at the beginning (optional)",
  "addSuffix": "Text to add at the end (optional)"
}
  }
}
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).
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preserveSpaces
checkbox
No
Keep multiple consecutive spaces as they are
maxLineLengthnumberNo—
addPrefixtextNoText that will be added before the merged content
addSuffixtextNoText that will be added after the merged content

Response format

Text result

JSON
{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}

Questions or issues? Contact [email protected]