get_fundamentals_daily_metrics

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

With no annotations, the description carries the full burden. It only uses 'fetches,' which implies a read operation, but does not disclose return format, pagination, defaults, authentication needs, or any potential side effects, which is insufficient for a tool with no other behavioral cues.

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 9-word sentence with no filler. It is direct, front-loaded, and every word earns its place, making it excellent for a simple fetch tool.

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 is adequate for a simple read-only tool, and the schema covers all parameters. However, without an output schema or annotations, the description does not explain return format, date range defaults, or how this tool complements siblings, leaving moderate gaps.

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 already provides full descriptions for all 4 parameters, so the description adds no additional meaning. Since schema coverage is 100%, the baseline of 3 is appropriate; the description neither enhances nor detracts.

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 'Fetches daily fundamental metrics for a given ticker' is specific and clear, using a distinct verb and resource. It differentiates from siblings like get_fundamentals_statements and get_fundamentals_meta by emphasizing 'daily' metrics.

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 is provided on when to use this tool versus alternatives. The description does not mention any use cases, exclusions, or reference sibling tools, leaving the agent to infer suitability 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.