remove_last_n_characters

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

With no annotations, the description carries full disclosure burden. It states the core operation and return value ('Returns True if the operation succeeds'), but does not disclose important behavioral details such as whether the file is modified in place, what happens if 'number' exceeds text length, or the default behavior when '_range' or 'worksheet' are omitted.

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 a single, compact sentence that front-loads the action and includes all essential operational information without unnecessary words. It is concise and well-structured.

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 the lack of annotations, 0% schema parameter coverage, and the presence of optional parameters with unclear semantics, the description is incomplete for safe invocation. Critical details like range format, default behaviors, side effects on the file, and error handling are missing, making the tool under-specified for an AI agent.

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 0%, so the description must compensate. It implicitly explains 'number' as N, '_range' as the specified range, 'worksheet' as the worksheet context, and 'file_token' as the file reference. However, it does not clarify the format of '_range', defaults for optional parameters, or how 'file_token' is obtained.

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 states the specific action: 'Removes the last N characters from the end of each text cell within a specified range of a worksheet in an Excel file.' It includes the resource (text cells), scope (range, worksheet), and operation (removing last N characters), which distinguishes it from sibling tools like remove_first_n_characters.

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 explicit guidance on when to use this tool versus alternatives. It does not mention exclusions (e.g., 'use remove_first_n_characters for leading characters') or any context that would help an agent choose between this and the many similar remove_* tools.

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