Data Processing
Merge and join multiple tables with various join types (inner, left, right, full)
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/multi-table-joiner' \
-H 'Content-Type: application/json' \
-d '{"inputData":"Enter two tables separated by empty lines. Each table should have consistent column structure.","delimiter":"comma","hasHeaders":true,"joinType":"inner","leftTableKey":"Enter column name from left table","rightTableKey":"Enter column name from right table","customJoinCondition":"e.g., table1.price > table2.min_price","separator":"comma","includeHeaders":true,"preserveSourceInfo":false}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/multi-table-joiner| Name | Type | Required | Description |
|---|---|---|---|
| inputData | textarea | Yes | — |
| delimiter | select | No | — |
| hasHeaders | checkbox | No | — |
| joinType | select | No | — |
| leftTableKey | text | Yes | — |
| rightTableKey |
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-multi-table-joiner": {
"name": "multi-table-joiner",
"description": "Merge and join multiple tables with various join types (inner, left, right, full)",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=multi-table-joiner",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "multi-table-joiner",
"arguments": {
"inputData": "Enter two tables separated by empty lines. Each table should have consistent column structure.",
"delimiter": "comma",
"hasHeaders": true,
"joinType": "inner",
"leftTableKey": "Enter column name from left table",
"rightTableKey": "Enter column name from right table",
"customJoinCondition": "e.g., table1.price > table2.min_price",
"separator": "comma",
"includeHeaders": true,
"preserveSourceInfo": false
}
}
}| text |
| Yes |
| — |
| customJoinCondition | text | No | Additional condition for filtering joined records (for advanced users) |
| separator | select | No | — |
| includeHeaders | checkbox | No | — |
| preserveSourceInfo | checkbox | No | — |
Text result
{
"result": "Processed text content",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}Questions or issues? Contact [email protected]