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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states the content (financial performance, business operations, risk factors) but does not describe output format, pagination, rate limits, or return structure. It also introduces a potential contradiction by saying 'annual reports' while the schema allows quarterly periods (Q1–Q4), which is not disclosed or reconciled.

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?

The description is two sentences and directly states the tool's purpose and content. It is front-loaded with 'Access comprehensive annual reports' and avoids filler. However, it uses some marketing-like phrasing ('comprehensive', 'detailed information') that could be trimmed, but overall it is appropriately concise.

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?

Given no output schema and no annotations, the description should explain what the returned JSON contains and any important constraints. It only vaguely mentions content areas without specifics. The conflict between 'annual reports' and quarterly periods is a notable gap. The description is insufficient for a tool with three required parameters and no structured output documentation.

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 100%, so the baseline is 3. The description adds no parameter-level details beyond the schema. It does add 'annual reports' context which might imply period=FY, but this is not explicit and actually conflicts with the enum allowing quarters. Overall, the description neither helps nor significantly hinders parameter understanding beyond the schema.

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 clearly identifies the tool as accessing comprehensive annual reports (Form 10-K) from FMP, with a specific verb ('Access'/'Obtain') and resource. It distinguishes itself from siblings like getFinancialReportXLSX by naming the 10-K API, though it does not explicitly mention 'JSON' despite the tool name. The mention of 'annual reports' conflicts with the schema's quarterly period options, introducing some ambiguity.

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?

The description provides no guidance on when to use this tool versus alternatives. It does not mention any exclusions, prerequisites, or comparison to sibling tools such as get_income_statement, getFinancialStatementFullAsReported, or getFinancialReportXLSX. Usage context is only implied by describing the report type.

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