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

Annotations already declare the write-but-non-destructive profile (readOnlyHint=false, destructiveHint=false, openWorldHint=false); the description adds genuinely new operational context that annotations cannot express: the recipient team and a 5-messages-per-hour throttle. It does not say whether sending is idempotent or what happens when the limit is hit, keeping it below a 5.

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 sentences, no filler, with the purpose front-loaded and the operational limit immediately after. Every clause conveys information an agent needs.

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 one-parameter, non-destructive write tool with no output schema, the description covers purpose, audience, and rate limiting. Only minor gaps remain (delivery confirmation, behavior on limit breach), which is close to complete for this complexity.

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 coverage is 100% for the single 'message' parameter, including min/max length, so the schema carries parameter meaning. The description adds no extra guidance about message content, tone, or required detail, which is the baseline-3 case.

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 names a specific verb and resource ('Send a feedback message') plus the destination ('Ecommerce Leads team'), which is unambiguous and not confusable with any sibling such as saveSignalSet or updateOutreachStatus.

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 implies the usage context (feedback intended for the Ecommerce Leads team) and gives a hard rate constraint, but it never states when not to use it, what counts as feedback versus other channels, or any prerequisites.

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