BinanceTickerPrice

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It does disclose a key behavior: omitting the symbol returns all symbols. However, it does not mention response format (e.g., single object vs. map), or any other operational details. Given the simplicity of a read-only price lookup, this is minimal but acceptable.

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, tightly worded sentence that conveys the action, resource, and scope without any filler. It is appropriately sized and front-loaded, making it highly efficient for an agent to parse.

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 tool is simple and the schema covers the parameter, but the description lacks usage context and differentiation among many sibling ticker tools. It is sufficient for a basic lookup but does not explain what 'all symbols' returns or how to interpret the output, especially in absence of an output schema. This leaves moderate ambiguity for the agent.

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?

The schema covers the 'symbol' parameter with a description and optionality, but the description adds the crucial behavioral nuance that omitting the symbol yields all symbols. This goes beyond the schema's explicit statements and clarifies the parameter's optional usage, providing added semantic value.

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 uses a specific verb 'Get' and a clear resource 'latest price' with an explicit scope: 'for a symbol or all symbols.' This distinguishes it from sibling ticker tools like BinanceTicker24hr or BinanceTickerBookTicker, which serve different data. The purpose is unambiguous and actionable.

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 no guidance on when to use this tool versus other ticker tools such as BinanceTicker24hr, BinanceTickerBookTicker, or BinanceTickerTradingDay. It does not mention scenarios, prerequisites, or alternatives, leaving the agent to infer usage context from the name alone.

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