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Rank rows by a numeric column

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

Input Schema

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

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description must carry the behavioral disclosure burden. It only restates the ordering behavior already implied by the title and the 'ascending' schema description, and it does not address null handling, tie ordering, limit behavior, or what the returned rows look like.

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?

The description is a single sentence with the core concept front-loaded and no filler. It is appropriately compact, although its brevity comes at the cost of important behavioral and parameter detail.

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

Completeness2/5

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

With no annotations and no output schema, the description is too sparse to fully support correct invocation. It does not state what the tool returns, how limit is applied, what happens with non-numeric columns, or where valid column names can be found, leaving meaningful gaps for an agent.

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 description coverage is low at 33%, and the description only partially compensates. It usefully clarifies that 'column' must be numeric, but it adds nothing about 'limit' semantics or the default direction beyond what the schema already says for 'ascending'.

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?

The description states a specific operation: return the highest or lowest rows of the RentRollDesk dataset ordered by a numeric column, framed as answering 'which is the most/least X'. This is clear and distinguishable from sibling tools like dataset_stats or dataset_search, though it does not explicitly name those alternatives.

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 'most/least X' phrasing implies when the tool is appropriate, but the description gives no explicit guidance about when to use it versus sibling tools such as dataset_stats, dataset_row, or dataset_search. The intended context is inferable but not stated.

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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