nexalayer_session_usage

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, so the safety profile is covered. The description adds nothing beyond that — no time window, aggregation scope, or rate/retention behavior — so it is essentially a restatement of the readOnly annotation.

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?

One short, front-loaded sentence with no filler or redundancy. It is efficient, though the brevity comes at the cost of the missing context noted elsewhere.

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?

With no output schema, no annotations beyond the safety hints, and an undocumented required parameter, the description should explain what usage is returned (traffic vs. request counts, time window, units). It does none of that, leaving the agent unable to predict the response or scope.

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% for the single required session_id, so the description carries the burden of explaining it but only says 'for a session'. It does not clarify the identifier's format, source, or scope, adding no meaning beyond the parameter name.

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 (traffic and request usage) scoped to a session, which is more concrete than a bare name restatement. It partially distinguishes itself from siblings like nexalayer_session_health or nexalayer_get_balance, but never explicitly contrasts the resource it returns against those.

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 and no alternatives named. With siblings such as nexalayer_session_health and nexalayer_get_balance available, the agent is left to infer whether usage data belongs here or in one of those tools.

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