observations / status

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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so the safety profile is covered. The description does add one useful behavioral fact beyond that: the call performs gap analysis (what exists vs. what analytics are missing) rather than a plain listing. It says nothing about return shape, cost, or whether 'missing' results indicate an error or a normal state.

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 front-loaded sentence with no filler. It is efficient, though the brevity reflects under-specification rather than disciplined editing.

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, the description must carry the burden of explaining return values; it gestures at two result categories but not their structure, ordering, or format. For a read-only, single-parameter status tool this is minimally adequate, but it leaves the meaning of the required chain_id and the interpretation of 'missing' unexplained.

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% and the single parameter chain_id is undocumented in both schema and description. The description never mentions chain scoping, so the agent gets no semantics for the only input it must supply; the low-coverage rule requires the description to compensate and it does not.

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 verb 'Report' plus the resources 'indexed observations' and 'missing analytics' give a general sense of intent, but 'observations' is an undefined domain term and the description never says what a report looks like or what the two halves mean together. It also does not distinguish the tool from nearby siblings such as history.status, rpc.get_health, or pools.observe.

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 statement of when to call this tool, what prerequisite state must exist, or which sibling to use instead (history.status is the most obvious alternative for status queries). The agent must infer usage entirely from the tool name.

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