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Rank rows by a numeric column

dataset_top

The highest (or lowest) rows of the Outsourced IT Quotes 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

B3.2/5.0
Behavior2/5

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

No annotations are supplied, so the description carries the full behavioral burden and mostly does not: it says nothing about result caps (the schema's 50-row maximum), default page size, default ordering, tie-breaking, or how non-numeric or null values in the chosen column are handled. The only ordering behavior it conveys ('highest or lowest') is already implied by the ascending parameter.

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 no filler; the operation and the qualifying column constraint come first. Slightly awkward with the embedded quoted question, but nothing is wasted.

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 simple 3-parameter, no-output-schema read tool this covers what the tool returns (rows) and the numeric-column constraint. It is still incomplete on the limit parameter's default and maximum and on ordering ties, which matter for reproducing a ranking result.

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

Parameters3/5

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 redundantly restates it. The description does add real meaning for 'column' by constraining it to a numeric column, which the schema does not say. But 'limit' is left wholly unexplained: no default, no mention of the 50 cap.

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 (return the highest or lowest rows) on a named resource (the Outsourced IT Quotes dataset) qualified by a numeric column, and frames the intended question 'which is the most/least X'. That is enough to separate it from search/stats/compare siblings without opening their schemas, though it never explicitly contrasts 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?

The 'which is the most/least X' framing implies the question shape this tool answers, which is genuine usage context. However it gives no explicit when-not conditions, no mention of what to use instead for filtering or aggregation questions (dataset_search, dataset_stats), and no 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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