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

Annotations already declare readOnlyHint=true, destructiveHint=false and openWorldHint=false, so the safety profile is covered. The word 'cached' is a genuine addition beyond the annotations because it warns the returned status may be stale, but nothing is said about refresh timing, latency, or what happens when no cached data exists.

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, front-loaded sentence with no filler or redundancy. It is efficient, though the extreme terseness leaves no room for the routing and parameter context an agent needs for a two-parameter tool.

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?

Because an output schema exists, return values need not be described, and the description does convey what is read. However, with 0% schema coverage on both parameters and no sibling routing guidance, the definition is thin for an agent to invoke it confidently without opening the schema.

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 0%, so the description is the only place parameter meaning could be added, and it says nothing about either parameter. The required product_ref is only vaguely implied by the word 'product', and the opaque connection_context (mctx_v1_...) is left entirely unexplained.

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 (read) and resource (product delivery and connection status), which is more precise than a generic 'get health'. It is distinguishable in spirit from siblings like products_get_actions or products_get_funnel_values, but it never names or contrasts against 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 when-to-use guidance, no prerequisites, and no mention of alternatives among the many products_* siblings. The agent must infer that this is the health/status read versus the delivery-pause flow or the other products_get_* tools.

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