Look a row up by an exact key
dataset_rowThe rows of the FlightDelayHQ dataset where a column equals a value exactly (case-insensitive).
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| value | Yes | ||
| column | Yes |
dataset_rowThe rows of the FlightDelayHQ dataset where a column equals a value exactly (case-insensitive).
| Name | Required | Description | Default |
|---|---|---|---|
| value | Yes | ||
| column | Yes |
Changes observed during successful MCP inspections.
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It usefully discloses the matching semantics (exact, case-insensitive) and that a set of rows ('the rows') rather than a single row is returned. It says nothing about behavior when no match exists, result size/pagination, or any access constraints.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
A single sentence with no filler, front-loading the resource (the dataset rows) and then the matching condition. Nothing is redundant and nothing pads the definition.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a two-parameter lookup with no output schema and no annotations, the description covers the matching rule but omits what the caller receives (shape of returned rows, count, ordering) and any limits. It is adequate to attempt a call but leaves relevant behavior unspecified.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 0%, so both parameters are undocumented in the schema. The description partially compensates by explaining that 'column' designates a dataset column and 'value' is what it is compared against, plus the case-insensitive comparison rule, but it adds no detail on valid column names or value formatting.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description gives a specific operation and scope: rows of the FlightDelayHQ dataset matched by column equality. It does not name or contrast itself against siblings such as dataset_search or dataset_top, so the agent must infer how exact-match differs from those tools.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Usage is only implied: the words 'exactly (case-insensitive)' suggest this is the right tool when you know the precise value you want, as opposed to a fuzzier search. There is no explicit when-to-use, when-not, or named alternative, so the routing decision is left to inference.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.