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by net.crawlora
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yahoo_sports_leagues

Read-only

List Yahoo Sports core league keys, source page paths and route coverage flags. Use soccer for the shared root hub and direct keys for competition pages; use yahoo_sports_soccer_scoreboard to discover all competition IDs.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "yahoo_sports_leagues"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

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

A4.4/5.0
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 the payload includes source page paths and route coverage flags, but does not explain what those flags mean or how the catalog is scoped/stability-guaranteed.

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 tight sentences with zero waste: the output content is front-loaded, then the routing rules follow. Nothing redundant.

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?

With an output schema present and annotations covering the safety profile, the description only needs orientation, which it provides. Minor gap: 'route coverage flags' is named but never characterized, leaving the agent unsure what the flags imply.

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?

Zero parameters, so baseline is 4. The description does add useful semantics about the key values (`soccer` as shared root hub, direct keys per competition), which helps an agent interpret the returned keys even though no input params exist.

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?

States a specific verb and resource: lists Yahoo Sports core league keys, source page paths, and route coverage flags. It also explicitly disambiguates from yahoo_sports_soccer_scoreboard, so an agent can pick between the two without opening schemas.

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

Usage Guidelines5/5

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

Gives concrete usage rules: use the `soccer` key for the shared root hub, direct keys for competition pages, and route to yahoo_sports_soccer_scoreboard when discovering all competition IDs. That is explicit when-to-use plus the alternative.

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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