mfc_ca_getReportsTrialBalanceBalanceSheet

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

No annotations are provided, so the description carries full burden. It states the operation is a retrieval ('取得します') and adds the cumulative ('累計') characteristic, which clarifies the data scope. However, it omits any details about permissions, side effects, or response behavior; thus it is adequate but not rich.

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 sentence with no filler; the key resource and cumulative nature are front-loaded. It is as concise as possible for what it states.

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 8 optional parameters, no annotations, no output schema, and four report sibling tools, the description is too thin. It identifies the report but does not explain parameter semantics, filtering behavior, or output expectations, leaving substantial ambiguity for correct invocation.

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 only 25% (2 of 8 parameters), and the description does not compensate: it mentions no parameters, so end_date, start_date, fiscal_year, include_tax, journal_types, and with_sub_accounts remain unexplained. An agent cannot determine how to set the optional filters from this definition.

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 uses specific verb '取得します' with a clear resource: '貸借対照表の試算表（累計）' (cumulative balance-sheet trial balance). This distinguishes it from siblings such as getReportsTrialBalanceProfitLoss and getReportsTransitionBalanceSheet, so an agent can identify what report it 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 guidance on when to choose this tool over the sibling report tools; it does not name alternatives or set conditions such as 'period/current accounting year' or exclusions. The only usage cue is the resource name, which is implicit rather than explicit guidance.

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