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by net.crawlora
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yahoo_sports_playoff_bracket

Read-only

Fetch one Yahoo Sports playoff bracket for a league and optional season from yahoo_sports_playoff_bracket_catalog.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "league": "<league>"
    },
    "name": "yahoo_sports_playoff_bracket"
  }
}

Input Schema

NameRequiredDescriptionDefault
leagueYesRequired. Use yahoo-sports-leagues and yahoo-sports-playoff-bracket-catalog to discover leagues with bracket data.
seasonNoOptional season year from yahoo-sports-playoff-bracket-catalog; defaults to Yahoo's current season.

Output Schema

NameRequiredDescriptionDefault
dataYesThe tool result payload (shape varies per tool; see each tool's docs resource).

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A3.6/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. The description adds that it fetches exactly one bracket and ties it to the catalog, but does not describe other behavioral traits such as authentication, rate limits, or failure modes.

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?

The description is a single front-loaded sentence with no wasted words. It efficiently states the resource, scope, and catalog relationship.

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?

For a simple read-only lookup with rich schema coverage, annotations, and an output schema, the description is nearly complete. The only minor gap is that the description itself does not explicitly state the catalog-discovery prerequisite, though the schema does.

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 description coverage is 100%, so both league and season are fully documented in the schema. The description restates that league is required and season is optional, but adds no syntax, format, or validation detail beyond what the schema already provides.

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 verb and resource: fetch one Yahoo Sports playoff bracket for a league and optional season. It also names the related catalog tool as the source, which helps distinguish it from the catalog/list sibling. It is clear, though not as sharp as an explicit 'this returns one bracket, not a catalog' statement.

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

Usage Guidelines3/5

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

The phrase 'from yahoo_sports_playoff_bracket_catalog' implies a prerequisite discovery workflow, but the description does not explicitly say to call the catalog first or explain when to use this instead of the catalog. The schema parameter descriptions provide this guidance, but the description itself only hints at it.

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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