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

Annotations declare readOnlyHint=true, openWorldHint=false, destructiveHint=false, and the description reinforces this by stating the connector has no access to the user's local files. That added constraint is useful behavioral context beyond the annotations, though no further detail on the explanation's contents is given.

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?

Two tight sentences, front-loaded with the tool's real function and immediately following with the alternative location for submission. No waste.

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, no-output informational tool, the description covers what it does and where the real submission flow lives. It could say a bit more about what the explanation covers, but nothing essential is missing for correct invocation.

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 takes zero parameters, so there is nothing for the description to disambiguate and the schema is trivially complete (100% coverage). Baseline 4 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?

The description states a specific purpose: it explains how to complete Sulvo signup document review, and clarifies what the tool is not (a submission mechanism). This distinguishes it from the many Sulvo signup siblings. The only friction is that the name 'submit_sulvo_signup_documents' implies an action the description explicitly disclaims, so the stated purpose is clear but at odds with the name.

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?

It tells the agent where the real action happens ('upload monthly earnings proof or connect an AdSense account' in Sulvo onboarding) and that this connector is not the path, effectively routing the agent away from misuse. It does not spell out the positive trigger ('call this to get instructions'), but the context is clear enough.

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