Data Processing
Column Calculator
Perform calculations on columns and add new rows
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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/column-calculator' \
-H 'Content-Type: application/json' \
-d '{"data":"Enter CSV or table data for column calculation...","delimiter":"auto","operation":"sum","columns":"Enter column names or numbers: a, b, c or 1, 2, 3 (comma-separated or line-by-line)","newRowLabel":"Total","decimalPlaces":2,"hasHeader":true,"includePreview":true,"formatOutput":"csv"}'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/column-calculatorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| data | textarea | Yes | — |
| delimiter | select | No | — |
| operation | select | No | — |
| columns | textarea | No | — |
| newRowLabel | text | No | — |
| decimalPlaces |
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-column-calculator": {
"name": "column-calculator",
"description": "Perform calculations on columns and add new rows",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=column-calculator",
"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": "column-calculator",
"arguments": {
"data": "Enter CSV or table data for column calculation...",
"delimiter": "auto",
"operation": "sum",
"columns": "Enter column names or numbers: a, b, c or 1, 2, 3 (comma-separated or line-by-line)",
"newRowLabel": "Total",
"decimalPlaces": 2,
"hasHeader": true,
"includePreview": true,
"formatOutput": "csv"
}
}
}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]