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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false and openWorldHint=false, so the safety profile is fully covered. The description's 'only returns links, sends nothing, creates nothing' adds a small amount of confirmation but is essentially a restatement of the annotations rather than new behavioral context.

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?

Three short sentences with no filler, and the core action is front-loaded. The first sentence is grammatically tangled ('links where a person requests...'), which costs a little clarity but not length.

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 annotations cover the safety and idempotency profile. The description adequately covers a trivial zero-parameter read tool; only the routing versus sibling link tools is left implicit.

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 the baseline is 4 and there is no parameter semantics for the description to carry. The schema is a closed empty object, consistent with the description's claim that nothing is supplied and nothing is mutated.

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+resource ('Gets the debriefing.io links') and clarifies what those links are for (free brief request, workspace signup, plan comparison). This separates it from near-neighbors such as create_share_link and get_public_brief, though the sentence is convoluted enough that the exact artifact returned takes a second read to pin down.

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 explicit when-to-use or when-not-to-use guidance and no sibling is named, even though get_public_brief and create_share_link live in the same space. The closing clause ('It sends nothing and creates nothing') hints at the boundary with link-creating tools but never states the selection rule.

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