weather_current

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

With no annotations provided, the description adds the useful behavioral trait that no API key is required. However, it does not disclose other important behaviors such as rate limits, data freshness, or accuracy. While helpful, it is not comprehensive for a tool with no annotation backing.

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?

The description is a single sentence that is clear and front-loaded. Every word serves a purpose: verb (Get), resource (current weather), location qualification, data source, and key note (no API key). No redundancy.

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?

The description provides the core purpose and a notable behavior, but given the tool's simplicity and the presence of sibling weather tools, it lacks completeness. It does not clarify the output format, coordinate requirements, or differentiate beyond 'current'. Fairly adequate but could be more thorough.

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?

Schema description coverage is 0%, meaning parameters (latitude, longitude, timezone) are undocumented in the schema. The description only mentions 'location' broadly, failing to explain coordinate format, timezone options, or usage hints. It does not compensate for the lack of parameter documentation.

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?

Description clearly states the tool gets current weather, specifies the data source (Open-Meteo), and highlights no API key required. It effectively distinguishes from siblings 'weather_forecast' and 'weather_hourly' by focusing on 'current' weather.

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 implies use for current weather but provides no explicit guidance on when to use this tool versus alternatives like 'weather_forecast' or 'weather_hourly'. No exclusions or prerequisite conditions are mentioned.

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