get_workbook_metadata

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 clearly states read-only behavior, that it does not open the file for edit, that it works while the file is open in Excel, and even explains the nuance of TRUE used ranges versus stored dimensions and the round-trip hazard summary. This is rich, accurate behavioral context.

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?

Despite being detailed, the description is efficiently packed: it front-loads the core purpose ('Read a workbook's structure without opening it for edit'), then lists return contents in a compact, scannable way, and closes with the key read-only and Excel-open caveats. Every sentence adds value; none is redundant.

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?

The description fully covers what the tool does, when to use it, what it returns, and important behavioral caveats. An output schema exists, so return-value details do not need to be repeated. For a single-parameter read-only tool, the description is complete enough for an agent to select and invoke it correctly.

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 only parameter is 'path', and the schema provides no description of it. The tool description implies the path points to a workbook but does not explicitly explain path format, file type requirements, or accessibility expectations. Since schema description coverage is 0%, the description should compensate more, though the single parameter is relatively self-evident.

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 states a specific action (read) and a specific resource (a workbook's structure), then enumerates exactly what is returned: sheets, visibility, used ranges, dimensions, merged-cell counts, defined names, tables, active sheet, and round-trip hazard. It clearly differentiates itself from editing-oriented siblings by calling itself 'the orient-before-editing call' and read-only.

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 explicitly says when to use it: before editing, as an orientation step, and notes it works even while the file is open in Excel. It also implies when not to use it: when you want to modify the workbook rather than read it. It does not name a specific alternative sibling, but the usage context is clear enough.

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