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Rank rows by a numeric column

dataset_top

The highest (or lowest) rows of the Strength Standards Calc dataset by a numeric column: "which is the most/least X".

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "column": "<column>"
    },
    "name": "dataset_top"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNo
columnYes
ascendingNotrue for the lowest first; default highest first

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations exist, so the description carries the full disclosure burden, yet it says nothing about tie-breaking, sort stability, what happens with non-numeric or missing values in the chosen column, what the default row cap is, or what the returned rows contain. Only the ranking intent is conveyed, not the behavior under edge conditions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the ranking concept first and the question example as illustration; little waste. The trailing quoted fragment is slightly awkward but functional.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a three-parameter read tool with no output schema and no annotations, the definition explains the core ranking idea but leaves the return payload shape, default limit, and error behavior unspecified. An agent could call it, but would be guessing on result size and column-type failures.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 33%: only 'ascending' is documented in the schema, and the description's 'highest (or lowest)' partly covers it. 'column' is only constrained loosely as numeric in prose, and 'limit' (bounded 1-50) is never mentioned in either place, so an agent gets no guidance on result sizing.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific operation: it returns the top (or bottom) rows of the "Strength Standards Calc" dataset ranked by a numeric column, with an example question illustrating intent. That is enough to distinguish it from row-fetching or aggregate siblings like dataset_row and dataset_stats, though it never names them.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is conveyed only through the example phrasing "which is the most/least X", which implies the right question shape. There is no explicit when-not guidance, no mention of the alternative siblings for plain lookups or statistical aggregates, and no stated prerequisites.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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