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dingyiyi0226

Yahoo Fantasy Baseball MCP Server

by dingyiyi0226

Get league scoreboard

get_matchups
Read-only

Retrieve your Yahoo Fantasy Baseball league's head-to-head matchups for any week. View the current week's scoreboard or specify a week number to see past or upcoming matchups.

Instructions

Get the league scoreboard (all head-to-head matchups). Pass a week to view a specific week, otherwise the current week is returned.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
leagueKeyNoLeague key; defaults to configured league
weekNoWeek number
Behavior3/5

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

Annotations already declare readOnlyHint=true; description adds default week behavior, but no additional behavioral traits like authorization needs or response details are disclosed.

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 concise sentences with front-loaded purpose; every word adds value.

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

Completeness4/5

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

Adequate for a simple read-only tool with two optional parameters; lacks details on output format or pagination, but acceptable for the scope.

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 coverage is 100% with descriptions; the description adds the default week behavior but mostly restates schema info.

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

Purpose5/5

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

The description clearly states the tool gets the league scoreboard (all head-to-head matchups), differentiating it from sibling tools like get_team_matchups.

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

Usage Guidelines4/5

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

Explains the optional week parameter defaulting to current week; provides clear context but lacks explicit when-not-to-use or alternative references.

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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