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Soham-Donode

data-analysis-agent

by Soham-Donode

rename_column

Change a dataset column's name to a new label. Use to standardize headers or fix typos, with reversal available if needed.

Instructions

Rename a column in the dataset. Reversible.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
columnYes
new_nameYes
session_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. First observedv0.1.0

TDQS

B3/5.0
Behavior3/5

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

The description discloses reversibility, which is valuable for a mutation operation and partially compensates for the absence of annotations. However, it omits details such as session prerequisites, constraints on new_name, and potential impacts on dependent operations or downstream transformations.

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

Conciseness5/5

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

Two short sentences with no wasted words. The purpose is front-loaded, and 'Reversible' adds a relevant safety detail without bloating the text.

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?

For a 3-required-parameter mutation tool with no annotations and 0% parameter description coverage, this definition is too sparse. It lacks usage guidance and parameter semantics, relying entirely on schema titles; the output schema covers return values but not invocation details.

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 0%, so the description must carry parameter meaning, but it only hints at column and new_name through the verb 'rename' and says nothing about session_id. This does not sufficiently compensate for the schema gap.

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 and target resource: 'Rename a column in the dataset.' The action 'rename' clearly differentiates from sibling tools like drop_column or convert_column_type, though it does not explicitly name alternatives.

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?

No guidance is given on when to use rename_column versus related transformation tools such as convert_column_type or drop_column. The word 'Reversible' is a behavioral note, not usage direction, and no context or exclusions are provided.

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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