weather_sondes

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

With no annotations, the description carries the full burden; it discloses that data is live (real-time, not historical) and global, which is genuinely useful context. It says nothing about rate limits, latency, freshness window, or coverage gaps, and no safety/mutation profile is needed for a read-only feed but is not stated either.

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?

One front-loaded sentence with zero filler. It is efficient, though the brevity contributes to the missing parameter guidance rather than earning it back.

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?

An output schema exists, so return values need not be explained, but the tool has no annotations and an entirely unexplained 'detail' parameter. For even a one-parameter tool, the description leaves the agent without enough to invoke it confidently with a non-default value.

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% and the single optional parameter 'detail' (default 'short') is completely absent from the description. An agent has no idea what other values are legal or what changing detail actually affects in the response.

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?

Names a specific resource (weather balloon / radiosonde positions) and scope (worldwide, live) plus the upstream source (SondeHub). No sibling offers radiosonde data, so differentiation is implicit rather than stated, but an agent can tell what this returns.

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?

There is no when-to-use or when-not-to-use guidance and no named alternative. The word 'Live' hints at real-time queries but nothing tells the agent under what circumstances to prefer this over, say, get_situation or aircraft_density.

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