Get today's NHL hockey game scores, schedules, and match results. Returns team names, final scores, game times, current standings, and player statistics. Use for hockey fan updates, fantasy league management, or sports betting research.
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Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true and openWorldHint=true. The description adds value by specifying the date scope ('today's') and listing the types of data returned, which goes beyond the structured annotations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two concise sentences, front-loaded with the primary function. No redundant words; every sentence adds value by stating the purpose, output scope, and use cases.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a zero-parameter read-only tool, this description covers the purpose, output details, and use cases. The lack of an output schema makes the description's list of return values important, and it is sufficient.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
With zero parameters, the schema provides complete coverage. The description adds meaningful context about the output (team names, scores, standings, stats), which helps the agent understand what data will be returned even without parameters.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states 'Get today's NHL hockey game scores, schedules, and match results' with a specific verb and resource. It explicitly names NHL, distinguishing it from sibling tools for NBA, NFL, and all scores.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides clear use cases ('hockey fan updates, fantasy league management, sports betting research') that indicate when to use the tool. It does not explicitly mention alternatives, but the tool name and sibling list make the scope evident.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
The tools are mostly distinct in purpose, with get_all_scores providing a combined summary and the league-specific tools offering more detailed statistics and player data. However, there is some overlap since get_all_scores also returns scores from each league, which could cause an agent to hesitate when choosing between the combined and specific tools.
All tool names follow a consistent get_<scope>_scores pattern, with get_all_scores being the only deviation from the league-specific naming but still clear and predictable. This makes it easy to understand the function of each tool at a glance.
The server has 4 tools, which is well within the ideal 3-15 range. Each tool serves a clear purpose: one for each major league and a combined all-scores option. This is a compact, focused set with no unnecessary bloat.
The tools cover the core need for retrieving scores from NBA, NFL, and NHL, including schedules, standings, and player stats. A minor gap is the lack of date or team-specific queries, and the absence of MLB coverage, but for daily score monitoring the surface is reasonably complete.