D1 Preview

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

No annotations are provided, so the description must carry the full burden of behavioral disclosure. It mentions 'free unsigned' and 'redacted level sample,' which suggest some constraints, but it does not clarify whether the tool is read-only, idempotent, requires authentication, or what happens on repeat calls. The behavioral traits are underspecified.

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 sentence, concise and front-loaded with the key action ('preview') and object ('D1 structure and freshness'). It is efficient but could be slightly more structured, though it earns its place.

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's simplicity (no parameters, no output schema, no annotations), the description is minimally adequate. However, it leaves terms like 'D1 structure,' 'freshness,' and 'redacted level sample' undefined, which might confuse some agents. Sibling tools offer context, but not enough for complete understanding.

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 input schema is empty (0 parameters), so schema coverage is 100% by default. According to the guidelines, this yields a baseline of 4. The description does not need to add parameter information, and it does not detract from clarity.

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 clearly states the tool provides a 'free unsigned D1 structure and freshness preview with redacted level sample.' It uses specific verbs and resources ('preview', 'D1 structure', 'freshness'), and the context of sibling tools (orisha_c1_preview, orisha_d1_levels) helps distinguish it from similar tools.

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 does not provide any guidance on when to use this tool versus alternatives. It does not mention prerequisites, exclusions, or context-based recommendations. The sibling tool names hint at differentiation but are not explicitly addressed.

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