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Rank rows by a numeric column

dataset_top

The highest (or lowest) rows of the BurdenRateLedger 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. Dates show when Glama detected each change.

  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 carries the full burden of behavioral disclosure. It only says 'highest (or lowest) rows' and does not mention default limits, tie handling, handling of non-numeric or missing values, output format, or performance implications.

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 short and front-loaded with the core purpose, and every phrase contributes to identifying the operation. It is slightly redundant with the title, but the added dataset name and the 'most/least X' framing provide useful specificity.

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 tool with only three parameters and no output schema or annotations, the description is minimally adequate: it names the dataset, the ordering basis, and the high/low choice. However, it lacks details about default limit values, output shape, and edge-case behavior, which an agent might need when invoking the tool.

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 description coverage is only 33% (only the ascending parameter has a schema description). The description compensates somewhat by specifying that the column must be numeric and by linking ascending to 'lowest first' versus 'highest first', but it leaves the 'limit' parameter's meaning and default behavior unexplained.

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 title 'Rank rows by a numeric column' and the description together clearly state that the tool returns the highest or lowest rows of a specific dataset by a numeric column. It names the resource (BurdenRateLedger) and the ordering concept, though it does not explicitly contrast itself with sibling tools.

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

Usage Guidelines2/5

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

The description implies when to use it ('which is the most/least X'), but it gives no explicit guidance on when to choose this tool over sibling tools like dataset_search or dataset_stats. There are no exclusions, alternative references, or use-case boundaries beyond the general 'top/bottom rows' idea.

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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TDQS

A3.9/5.0
Disambiguation4/5

Each tool has a distinct purpose: schema, provenance, exact lookup, search, stats, top, and comparison. dataset_compare and dataset_row both filter by column values but are differentiated by multi-value ordering versus single exact match, so there is minor potential overlap but descriptions clarify it.

Naming Consistency5/5

All tools follow the same dataset_<noun> pattern with snake_case naming. The verbs are semantically clear and consistent across the set, making the tool surface predictable.

Tool Count5/5

Seven tools is well-scoped for a single-dataset analysis server. Each tool covers a distinct query need without redundant or excessive surface area.

Completeness4/5

The tool set covers schema inspection, provenance, exact and fuzzy lookup, comparisons, summary statistics, and top/bottom ranking. It lacks more advanced analytical operations like grouping or arbitrary aggregation, but for the stated dataset-focused purpose it provides solid coverage.

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