io.github.Nero-Engine/dataset-join-merge

up checked 2026-11-11T11:38:33.608Z

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Publisher-provided title

Dataset Join & Merge

Publisher-provided description

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

Summary by lookupd

Joins two lists of JSON rows on a shared key using left, inner, full, or anti joins and unions, returning combined rows with match counts.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http dataset-join-merge https://dataset-join-merge.nerolabs.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add dataset-join-merge --url https://dataset-join-merge.nerolabs.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "dataset-join-merge": {
      "url": "https://dataset-join-merge.nerolabs.workers.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (2 tools)

Publisher-provided text

• list_capabilities Returns every join type, key matching mode, conflict strategy and fan-out mode this server supports, the fields it adds to each row, and the input and output ro
• join_rows Joins two lists of JSON rows on a shared key, like a SQL join or a spreadsheet VLOOKUP, and returns the combined rows plus a summary: how many rows matched on e

Details

• Version: 0.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 262 ms
• First indexed: 2026-11-01T09:12:47.799Z
• Last seen in registry: 2026-11-01T09:12:47.799Z
• Repository: https://github.com/Nero-Engine/dataset-join-merge-mcp
• Website: https://github.com/Nero-Engine/dataset-join-merge-mcp

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