get_ticker_details

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

The annotations provide readOnlyHint=true, which the description aligns with by using 'Get' (a read operation). However, the description adds minimal behavioral context beyond this—it doesn't specify what 'detailed information' includes, whether there are rate limits, authentication requirements, or data freshness. With annotations covering safety, it meets baseline but lacks enrichment.

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 extremely concise—a single sentence with no wasted words. It's front-loaded with the core purpose, making it easy to parse quickly. Every word earns its place, though this brevity contributes to gaps in other dimensions.

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?

Given the tool has annotations (readOnlyHint) and an output schema, the description doesn't need to cover return values or safety. However, with 3 parameters at 0% schema coverage and many sibling tools, the description is too minimal—it doesn't clarify scope or parameter usage, leaving the agent with insufficient context for effective 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?

Schema description coverage is 0%, so the description must compensate but fails to do so. It mentions 'specific ticker' which hints at the 'ticker' parameter, but doesn't explain the 'date' or 'params' parameters at all. With 3 parameters and no schema descriptions, this leaves significant gaps in understanding what inputs are needed.

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 states 'Get detailed information about a specific ticker' which clearly indicates a read operation on ticker data. However, it doesn't differentiate this tool from similar siblings like 'get_snapshot_ticker' or 'list_tickers', leaving the scope ambiguous. The purpose is understandable but lacks sibling distinction.

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 alternatives. With many sibling tools for ticker data (e.g., get_snapshot_ticker, list_tickers, get_last_trade), there's no indication of what makes this tool unique or when it should be preferred over others. No context or exclusions are mentioned.

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