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

Adds real behavior beyond the readOnlyHint/openWorldHint annotations: a $0.25 USDC per-call cost over x402 on Base, and a hard privacy constraint that no patient identifiers may be sent. It does not cover error handling, latency, or what a partial chart yields, which keeps it from a 5.

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?

Outputs are front-loaded in the first sentence, followed by three short sentences covering audience, privacy, and pricing. No filler, and each sentence carries distinct information.

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?

With no output schema, listing the returned artifacts is a genuine strength, and the cost/privacy notes are valuable for a paid, PHI-sensitive tool. However, several high-impact input parameters that drive the grade and complexity determinations go unexplained, leaving an agent to guess when they must be supplied.

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 coverage is only 43% across 7 parameters with nested objects. The description clarifies the chart must be 6-point and that patient data is risk-factors-only, but it says nothing about phenotype, complexity, longitudinal, remaining_teeth or teeth_lost_to_perio, which materially affect staging. It does not compensate for the coverage gap.

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?

States a specific verb and resource (periodontal diagnosis from a de-identified 6-point chart) and enumerates the concrete outputs: 2017 AAP/EFP stage, extent, grade, ICD-10-CM suggestions, rationale and a documentation checklist. This is far more discriminating than the implant-oriented siblings in the catalog.

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?

Gives clear context: it is clinical decision support for licensed dental professionals, and the input must be a de-identified 6-point chart. It does not state exclusions or failure conditions (e.g., what happens with a 4-point chart or missing CAL), so it stops short of explicit when-not guidance.

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