Dataset Aggregate & Pivot for ChatGPT

io.github.nero-engine/dataset-aggregate-pivot

GROUP BY and pivot tables for JSON rows: 11 functions, date buckets, top N, totals, messy numbers.

client:ChatGPT transport:streamable-http tools:2

Install Dataset Aggregate & Pivot in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://dataset-aggregate-pivot.nerolabs.workers.dev/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs