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miyamamoto

JVLink MCP Server

by miyamamoto

execute_template_query

Execute SQL queries generated from predefined templates to analyze Japanese horse racing data from JRA-VAN. Input template name and parameters for specific analyses.

Instructions

テンプレートからSQLを生成して実行

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
template_nameYes
paramsYes
Behavior2/5

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

No annotations are provided, so the description must disclose behavioral traits. It only says 'generate and execute', implying potential write operations, but no warnings about destructive effects, authentication needs, or side effects are given.

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

Conciseness3/5

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

The description is a single short sentence, which is concise, but it sacrifices informative value. It provides no structure or additional detail, making it minimally adequate.

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

Completeness1/5

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

Given the tool's complexity (executing SQL), the description is severely incomplete. It lacks parameter details, output specification, and behavioral context, leaving significant gaps for safe and correct invocation.

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

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 0% description coverage, and the description adds no meaning to the parameters. 'template_name' and 'params' are unexplained, leaving the agent to guess their format or role.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states the tool generates and executes SQL from a template, but it does not clarify what 'template' means or how it relates to sibling tools like get_sql_generation_prompt or validate_sql_query. The purpose is vaguely clear but lacks specificity.

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 provided on when to use this tool versus alternatives. It does not mention prerequisites, context, or exclusions, leaving the agent to infer usage from the name and siblings.

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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