sigcheck

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

With no annotations, the description carries the full burden. It discloses that it wraps an external Sysinternals binary and parses CSV, which is useful context, but omits permission/admin requirements, the one-time EULA acceptance behavior, and any VirusTotal rate limits or network implications.

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 purpose sentence is front-loaded and the return-format block is clearly labeled, with no filler. The return block is slightly redundant given an output schema exists, but overall structure is tight and readable.

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?

An output schema exists so return values need not be explained, and the schema covers all params. However, for a network-touching, external-binary-wrapping tool with no annotations, the description stops short of the operational caveats (EULA, admin rights, VirusTotal limits) that would make it complete.

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 100%, so the schema already documents all four parameters including the optional VirusTotal lookup. The description only restates that VirusTotal is optional and adds no syntax, format, or precedence details beyond the schema, so baseline 3 applies.

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 (verify) and concrete resources (file digital signatures, version info, optional VirusTotal lookup), and names the underlying Sysinternals tool. An agent can immediately tell what it does, though it does not explicitly differentiate itself from the many sibling Sysinternals 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?

There is no when-to-use or when-not-to-use guidance and no named alternatives. The word 'optionally' describes a feature flag rather than selecting between tools, so the agent must infer relevant scenarios on its own.

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