stock_price

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

No annotations provided. The description discloses pricing and API URL but does not describe behavioral traits such as read-only nature, data freshness, or latency. It lacks details beyond the basic purpose.

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 very concise (one sentence plus pricing/URL). It front-loads the category and purpose. However, it is too terse, omitting useful context that could be included without verbosity.

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 tool with no output schema and no annotations, the description is incomplete. It does not explain what the return value contains (e.g., current price, timestamp), any limitations, or error conditions. More context is needed for proper use.

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?

Input schema covers both parameters with descriptions (in Chinese). The tool description adds no additional meaning beyond the schema. Baseline score of 3 applies due to 100% schema description coverage.

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 states '股票价格' (stock price) and '[Finance]' categorizes it clearly. It conveys the resource (stock) and action (price retrieval). However, it does not differentiate from similar sibling tools like 'index_price' or 'forex_rate' beyond the asset class.

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?

No guidance on when to use this tool versus alternatives. There is no mention of prerequisites, typical use cases, or when to avoid it.

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