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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is fully covered. The description adds useful context by listing the exact contact channels and marking WhatsApp as preferred, but it does not disclose return format, whether the data is static, or any edge cases. This is acceptable for a simple read-only lookup but adds only modest behavioral context beyond annotations.

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, compact sentence that front-loads the purpose ('How to reach Goce Petrov') and then lists the concrete channels. Every part earns its place, with no filler, repetition, or unnecessary detail.

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 tool with an output schema and safety annotations, the description is nearly complete: it identifies the person and the contact channels available. It could be slightly stronger by indicating that this is static reference information or by noting when it should be used instead of ask_goce_agent, but nothing essential to invoking the tool is missing.

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 has zero parameters, so schema description coverage is trivially 100% and no parameter documentation is needed. The description compensates by enumerating the meaningful content of the result: WhatsApp, email, Calendly, and profiles. For a parameterless tool, this is sufficient.

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 indicates this tool returns the contact channels for Goce Petrov, specifically WhatsApp, email, Calendly, and profiles. It names the resource and the content well enough to be useful, though it uses 'how to reach' rather than an explicit verb like 'retrieve' or 'get'. It is distinguishable from siblings like get_profile and get_services, but does not explicitly contrast itself with them.

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?

No guidance is given about when to use this tool versus alternatives such as get_profile or ask_goce_agent. The description states what the tool contains but not when an agent should prefer it over sibling tools. With a sibling list present, explicit routing guidance would materially help.

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