Convert a document to Excel

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

With only openWorldHint in annotations, the description carries most of the burden and does well: it discloses that the call waits for the workbook, that results can be saved locally, that cost is upload plus 2 credits per page, and that long jobs are resumed through 'next'. It omits failure/partial-conversion behavior and what the response actually contains.

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?

Roughly four dense sentences with the core purpose first, then inputs, then cost, then resume – good front-loading and no filler. The closing "Resume with the call in 'next'" is slightly cryptic without an output schema to show what 'next' refers to.

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?

For a seven-parameter, zero-required, no-output-schema tool, the description covers the essentials an agent needs: input alternatives, blocking-with-resume behavior, credits, and local saving. The main residual gap is that the return payload (job id, document_id, 'next') is never characterized, which matters for chaining to get_excel_conversion.

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 description usefully conveys that file_path, url, and document_id are interchangeable input routes and that save_to persists locally, which is more than the 57%-covered schema says for those fields. But schema_id and instructions go unmentioned despite being the fields that change conversion quality most, and the 'without a schema' framing sits awkwardly beside an existing schema_id parameter.

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?

"Turn a document into an .xlsx workbook" gives a specific verb and resource, and "without a schema (one sheet per table)" describes the output shape and implicitly contrasts with the schema-driven siblings like standardize/create_schema. It stops short of naming an alternative tool outright, so it lands at 4 rather than 5.

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 tells you which input forms are accepted (local file, URL, document_id) and how to resume via the 'next' call, which is genuine operational guidance. However, it never states when to pick this over standardize/create_schema, nor that at least one input identifier is required since none of the seven parameters are mandatory.

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