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

Annotations already cover the safety profile (readOnlyHint, idempotentHint, closed-world), so the bar is lower, and the description still adds real meaning: it explains that a PARTIAL status signals missing history or unpassed replay and never means 'calm'. That semantic decoding of a status value is genuinely useful context an agent cannot get from annotations or an absent output schema.

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 short sentences with no filler, and the PARTIAL clarification is placed after the content summary. It is dense to the point of terseness, but every clause carries information.

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 what is returned, and it only sketches a column list. Terms like 'measure counts' and 'calm' are left undefined, so an agent cannot fully anticipate the shape or meaning of the board.

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, which is the baseline-4 case; there is nothing for the description to disambiguate. No parameter-level detail is missing because no parameters exist.

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 lists the contents of the board (nine segment tiers, Seiche funding, measure counts, replay/withholding reasons) but uses no verb and no resource noun an agent can anchor to, and 'Seiche funding' is domain jargon. It is distinguishable in intent from siblings like venue_concentration or crypto_funding_cost only by topic, not by an explicit statement of what the tool returns.

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 when-to-use statement and no mention of any alternative tool, despite a crowded sibling set (venue_concentration, crypto_portfolio_stress, unwind_watch) that plausibly overlaps. At best, usage is implied by the read-only status-board nature of the tool.

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