Data Processing
Group items by a derived key using lodash _.groupBy
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/group-by' \
-H 'Content-Type: application/json' \
-d '{"collection":"[{\"type\":\"a\"},{\"type\":\"b\"},{\"type\":\"a\"}]","iterateeType":"identity","iteratee":"type"}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/group-by| Name | Type | Required | Description |
|---|---|---|---|
| collection | textarea | Yes | Enter a JSON array or object |
| iterateeType | select | No | — |
| iteratee | text | No | Property name or path when using property iteratee |
Text result
{
"result": "Processed text content",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}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-group-by": {
"name": "group-by",
"description": "Group items by a derived key using lodash _.groupBy",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=group-by",
"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": "group-by",
"arguments": {
"collection": "[{\"type\":\"a\"},{\"type\":\"b\"},{\"type\":\"a\"}]",
"iterateeType": "identity",
"iteratee": "type"
}
}
}Questions or issues? Contact [email protected]