Data Processing

Duplicate Column Remover

Remove duplicate columns from CSV data with flexible detection strategies. Perfect for cleaning datasets, removing redundant information, and optimizing data structure. Features: - Detect columns with identical headers - Find columns with identical data content - Support for case-sensitive/insensitive matching - Multiple removal strategies available - Preserve data integrity - Support for large datasets - Fast and efficient processing Common Use Cases: - Clean up merged datasets - Remove redundant data columns - Optimize data for analysis - Prepare data for machine learning - Reduce file size and complexity - Standardize data format

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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/duplicate-column-remover' \
  -H 'Content-Type: application/json' \
  -d '{"csvContent":"Paste your CSV content here...\nExample:\nName,Name,Age,City,City\nJohn,John,25,NYC,NYC\nJane,Jane,30,LA,LA","detectionMethod":"headers","caseSensitive":false,"keepStrategy":"first","trimSpaces":true,"outputFormat":"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/duplicate-column-remover

Parameters

Name	Type	Required	Description
csvContent	textarea	Yes	—
detectionMethod	select	Yes	—
caseSensitive	checkbox	No	Treat uppercase and lowercase as different characters
keepStrategy	select	Yes	—
trimSpaces	checkbox	No	Remove leading and trailing spaces from headers and values

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-duplicate-column-remover": {
      "name": "duplicate-column-remover",
      "description": "Remove duplicate columns from CSV data with flexible detection strategies. Perfect for cleaning datasets, removing redundant information, and optimizing data structure.\n\nFeatures:\n- Detect columns with identical headers\n- Find columns with identical data content\n- Support for case-sensitive/insensitive matching\n- Multiple removal strategies available\n- Preserve data integrity\n- Support for large datasets\n- Fast and efficient processing\n\nCommon Use Cases:\n- Clean up merged datasets\n- Remove redundant data columns\n- Optimize data for analysis\n- Prepare data for machine learning\n- Reduce file size and complexity\n- Standardize data format",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=duplicate-column-remover",
      "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": "duplicate-column-remover",
    "arguments": {
  "csvContent": "Paste your CSV content here...\nExample:\nName,Name,Age,City,City\nJohn,John,25,NYC,NYC\nJane,Jane,30,LA,LA",
  "detectionMethod": "headers",
  "caseSensitive": false,
  "keepStrategy": "first",
  "trimSpaces": true,
  "outputFormat": "csv"
}
  }
}