Data Processing
Data Append Merger
Vertically append and merge multiple data tables with intelligent column matching
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Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/data-append-merger' \
-H 'Content-Type: application/json' \
-d '{"inputData":"Enter multiple data tables separated by empty lines. Each table should have consistent column structure.","delimiter":"comma","hasHeaders":true,"alignmentMode":"smart","fillMissing":true,"separator":"comma","includeHeaders":true,"duplicateHeaderPrefix":"Enter prefix for duplicate headers"}'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/data-append-mergerParameters
| Name | Type | Required | Description |
|---|---|---|---|
| inputData | textarea | Yes | — |
| delimiter | select | No | — |
| hasHeaders | checkbox | No | — |
| alignmentMode | select | No | — |
| fillMissing | checkbox | No | — |
| separator |
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-data-append-merger": {
"name": "data-append-merger",
"description": "Vertically append and merge multiple data tables with intelligent column matching",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=data-append-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": "data-append-merger",
"arguments": {
"inputData": "Enter multiple data tables separated by empty lines. Each table should have consistent column structure.",
"delimiter": "comma",
"hasHeaders": true,
"alignmentMode": "smart",
"fillMissing": true,
"separator": "comma",
"includeHeaders": true,
"duplicateHeaderPrefix": "Enter prefix for duplicate headers"
}
}
}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).