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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "site-238": {
      "type": "http",
      "url": "https://rollcallworks.com/mcp"
    }
  }
}

7 tools

• dataset_columns

  The columns, which of them are numeric, the row count and the provenance banner of the RollCallWorks dataset. Call this first to learn the schema.

• dataset_search

  Rows of the RollCallWorks dataset whose cells contain the query (case-insensitive), up to 50.

• dataset_row

  The rows of the RollCallWorks dataset where a column equals a value exactly (case-insensitive).

• dataset_compare

  The rows of the RollCallWorks dataset whose column is any of the given values, in the order given — for "X vs Y" questions.

• dataset_stats

  count, min, max, mean, median and sum of a numeric column of the RollCallWorks dataset (grouping commas and currency are handled; non-numeric rows are excluded and counted).

• dataset_top

  The highest (or lowest) rows of the RollCallWorks dataset by a numeric column — "which is the most/least X".

• dataset_provenance

  The source, the date it was computed, the licence and the citation for the RollCallWorks dataset. Read this to attribute a figure correctly.

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