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dingyiyi0226

Yahoo Fantasy Baseball MCP Server

by dingyiyi0226

Get one league scoreboard week

get_league_scoreboard
Read-only

Retrieve all head-to-head matchups in your fantasy baseball league for a specified scoring week, defaulting to the current week.

Instructions

Get every head-to-head pairing in the league for one scoring week. Defaults to the current week.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
weekNoDefaults to current week
leagueKeyNoLeague key; defaults to configured league
Behavior3/5

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

Annotations already indicate readOnlyHint=true, so the description's disclosure of default behavior adds value but does not elaborate on other traits like response format or error handling. The description partially meets the burden with annotations present.

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?

A single sentence that front-loads the tool's purpose and includes the key default behavior. No wasted words; every part earns its place.

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

Completeness5/5

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

Given the tool's simplicity, no output schema, and good annotations/schema coverage, the description adequately covers scope, defaults, and return type. No missing information for typical use.

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 for both parameters. The description reinforces defaults (current week, configured league) but does not add new semantic meaning beyond what the schema already provides.

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 retrieves every head-to-head pairing for one scoring week, with a default to the current week. This provides a specific verb and resource, distinguishing it from sibling tools like get_team_matchup_history.

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?

The description implies usage for fetching all pairings for a week, and defaults are explained. However, it lacks explicit guidance on when not to use this tool versus alternatives like get_team_matchup_history, which is a missed opportunity.

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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