Dataset Join & Merge for ChatGPT

io.github.nero-engine/dataset-join-merge

Join two lists of JSON rows on a key, like SQL or VLOOKUP: left, inner, full, anti joins, union.

client:ChatGPT transport:streamable-http tools:2

Install Dataset Join & Merge in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://dataset-join-merge.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