GROUP BY and pivot tables for JSON rows: 11 functions, date buckets, top N, totals, messy numbers.
Connect Remote server
claude mcp add --transport http dataset-aggregate-pivot https://dataset-aggregate-pivot.nerolabs.workers.dev/mcp
{
"mcpServers": {
"dataset-aggregate-pivot": {
"url": "https://dataset-aggregate-pivot.nerolabs.workers.dev/mcp"
}
}
}
{
"servers": {
"dataset-aggregate-pivot": {
"type": "http",
"url": "https://dataset-aggregate-pivot.nerolabs.workers.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://dataset-aggregate-pivot.nerolabs.workers.dev/mcp
Tools 2 found in our last check
list_capabilitiesReturns the 11 aggregation functions and what each one does, the date bucket formats, the labels used for blank, invalid-date and total rows, and the limits per call (rows, pivot columns, pivot cells, aggregations). Call this first if you are unsure what is available. Free, proc…
aggregate_rowsSQL GROUP BY and a spreadsheet pivot table for a list of JSON rows, in one call. Returns one output row per group with the aggregated columns, plus a summary: groups found, groups dropped by topN, values skipped because they were blank or not numeric (never guessed), and warning…
Details
| Endpoint | https://dataset-aggregate-pivot.nerolabs.workers.dev/mcp (Streamable HTTP) |
| First published | 13 Sep 2026 |
| Last updated | 13 Sep 2026 |
| Registry name | io.github.Nero-Engine/dataset-aggregate-pivot |
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