Xlifflane: the site's own MCP server — dataset; every answer cites the site.
Scored across 7 tools
Each tool has a distinct purpose: schema, provenance, exact lookup, substring search, multi-value comparison, numeric stats, and top/lowest rows. The main potential confusion is between dataset_row and dataset_compare, since both handle exact value matching, but the multi-value ordering intent of dataset_compare keeps them separable.
All tools share a consistent dataset_ prefix followed by a clear operation or noun: columns, compare, provenance, row, search, stats, top. The naming pattern is uniform and predictable.
Seven tools is a well-scoped set for querying and exploring a single dataset. Each tool covers a distinct need without redundancy, and the count feels neither sparse nor bloated.
The set covers schema inspection, provenance, exact lookups, substring search, multi-value comparisons, numeric statistics, and top/bottom ranking. A minor gap is the lack of a tool to retrieve all rows or page through large result sets, but the existing tools are sufficient for most dataset questions.
The columns, which of them are numeric, the row count and the provenance banner of the Xlifflane dataset. Call this first to learn the schema.
Inputs: no named parameters.
The rows of the Xlifflane dataset whose column is any of the given values, in the order given — for "X vs Y" questions.
Inputs: column (required), values (required).
The source, the date it was computed, the licence and the citation for the Xlifflane dataset. Read this to attribute a figure correctly.
Inputs: no named parameters.
The rows of the Xlifflane dataset where a column equals a value exactly (case-insensitive).
Inputs: value (required), column (required).
Rows of the Xlifflane dataset whose cells contain the query (case-insensitive), up to 50.
Inputs: query (required), limit.
count, min, max, mean, median and sum of a numeric column of the Xlifflane dataset (grouping commas and currency are handled; non-numeric rows are excluded and counted).
Inputs: column (required).
The highest (or lowest) rows of the Xlifflane dataset by a numeric column — "which is the most/least X".
Inputs: column (required), limit, ascending.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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