Skip to main content
Glama
dingyiyi0226

Yahoo Fantasy Baseball MCP Server

by dingyiyi0226

Get team roster

get_team_roster
Read-only

Retrieve your Yahoo Fantasy Baseball team roster with player stats for any date. Defaults to today's roster for your configured team.

Instructions

Get a team's roster with player stats for a given date. Defaults to the configured team and today's date.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
teamKeyNoTeam key, e.g. 431.l.12345.t.2
dateNoDate as YYYY-MM-DD; defaults to today
Behavior4/5

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

Annotations already declare readOnlyHint=true, so description doesn't need to emphasize safety. Description adds that the tool includes player stats, which is a behavioral detail beyond annotations. No contradictions.

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 no fluff. Every word adds value: verb, resource, optional parameters, defaults.

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?

No output schema, but description explains return content ('team's roster with player stats') adequately. Could be slightly more specific about format, but overall sufficient for a read-only lookup tool.

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

Parameters4/5

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

Schema coverage is 100% with good parameter descriptions. Description adds value by explaining defaults (teamKey defaults to configured team, date defaults to today), which is not in the schema.

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?

Clearly states verb 'Get', resource 'team's roster', and includes scope 'with player stats for a given date'. It distinguishes from siblings like get_teams (which lists teams) and get_player_stats (individual stats) by combining roster and stats in one call.

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?

Explicitly mentions defaults ('Defaults to the configured team and today's date'), guiding users on when to omit parameters. Does not explicitly state when not to use or name alternatives, but context is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Install Server

Other Tools

Latest Blog Posts

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/dingyiyi0226/fantasy-baseball-mcp'

If you have feedback or need assistance with the MCP directory API, please join our Discord server