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Dataset Join & Merge

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

Connector by Nero-Engine · GitHub account verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/nero-engine-dataset-join-merge

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://dataset-join-merge.nerolabs.workers.dev/mcp Remote (HTTP)

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About

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

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
1 read · 0 write · 0 delete · 1 not yet classified
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 2

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 1 · Look things up without changing anything.

  • list_capabilities

Not yet classified 1 · We could not tell from the name and description.

  • join_rows

Network hosts it talks to 1

  • dataset-join-merge.nerolabs.workers.dev · found in remote endpoint, install command

Tools (2)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • 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 each side, match rates, and warnings for duplicate keys, rows missing the key and key fields that exist on no row. Use it to enrich a list with fields from a lookup table (left join), keep only the overlap (inner), combine two sources into one table (full), find rows in one list that are missing from the other (leftAnti or rightAnti), or stack two same-shape lists (union). Keys match case-insensitively with whitespace trimmed by default,…

  • 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 row limits per call. Free, processes no data.

Signals

Stars
0
Forks
0
Open issues
0
Last commit
Sep 13, 2026 (1 month ago)
Last release
Sep 13, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.Nero-Engine/dataset-join-merge
Version
0.1.0
Auth
Auth not stated
License
License unknown
Repository
github.com/Nero-Engine/dataset-join-merge-mcp
Website
github.com/Nero-Engine/dataset-join-merge-mcp
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql

More from Nero-Engine

Cite this page

Dataset Join & Merge MCP server. Agent Mart. https://agentmart.dev/connectors/nero-engine-dataset-join-merge (last updated 2026-10-24)