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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint, covering safety. The description adds that it shows 'current' versions of 'platform and adapter', providing context beyond the annotations. No contradiction exists, though it doesn't specify output format or potential side effects—minimal but adequate for such a simple read-only operation.

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?

A single, straightforward sentence conveys the entire purpose and scope. No fluff or redundancy. It is perfectly concise and front-loaded with the essential verb and resource.

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 zero-parameter, read-only version-checker with annotations covering safety, the description is complete. It explains what the tool returns (versions) without needing to detail output schema. The presence of sibling toolkit_info might imply overlap, but the description's clarity suffices for a tool this simple.

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 tool has zero parameters, so the baseline is 4. The description correctly mentions 'current' versions, but there is nothing more to explain about parameters. This score reflects that no parameter documentation is 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 uses a specific verb ('Show') and resource ('platform and adapter versions'), clearly stating the tool's function. It is distinct from siblings like authenticate, connect, or marketplace, which serve different purposes. No ambiguity remains about what this tool does.

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 clearly implies usage for checking version information, but it does not explicitly contrast with alternatives like toolkit_info, which might also provide version details. No explicit when-to-use or when-not-to-use guidance is given, though the context is pretty obvious for a version-checking tool.

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