Data Processing

Column Renamer

Rename column headers in CSV and table data with preview and validation

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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-renamer' \
  -H 'Content-Type: application/json' \
  -d '{"data":"Enter CSV or table data (first row should contain headers)...","delimiter":"auto","renameMapping":"Enter column mapping (one per line): old_name=new_name or \"Old Name\"=\"New Name\"","autoDetect":true,"caseConversion":"snake","specialCharHandling":"replace-underscore","includePreview":true,"formatOutput":"json"}'

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-renamer

Parameters

Name	Type	Required	Description
data	textarea	Yes	—
delimiter	select	No	—
renameMapping	textarea	No	—
autoDetect	checkbox	No	—
caseConversion	select	No	—
specialCharHandling

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-renamer": {
      "name": "column-renamer",
      "description": "Rename column headers in CSV and table data with preview and validation",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=column-renamer",
      "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-renamer",
    "arguments": {
  "data": "Enter CSV or table data (first row should contain headers)...",
  "delimiter": "auto",
  "renameMapping": "Enter column mapping (one per line): old_name=new_name or \"Old Name\"=\"New Name\"",
  "autoDetect": true,
  "caseConversion": "snake",
  "specialCharHandling": "replace-underscore",
  "includePreview": true,
  "formatOutput": "json"
}
  }
}

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]

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