Data Processing
Multi-Table Joiner
Merge and join multiple tables with various join types (inner, left, right, full)
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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/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}'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/multi-table-joinerParameters
| Name | Type | Required | Description |
|---|---|---|---|
| inputData | textarea | Yes | — |
| delimiter | select | No | — |
| hasHeaders | checkbox | No | — |
| joinType | select | No | — |
| leftTableKey | text | Yes | — |
| rightTableKey |
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-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"
}
}
}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": "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
}
}
}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).