validate_formula_syntax

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

Annotations already provide readOnlyHint: true. The description aligns with this by stating 'without applying it'. However, no additional behavioral traits (e.g., side effects, auth needs) are disclosed, so the description adds minimal value beyond annotations.

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, clear sentence. It is appropriately front-loaded and concise, though it could benefit from additional structure such as listing parameters or constraints.

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 tool has four required parameters and an output schema, the description is too sparse. It does not mention the return format, validation results, or any constraints on inputs (e.g., formula syntax details). The output schema existence is not leveraged in the description.

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%, meaning no parameter descriptions exist in the schema. The tool description does not explain any of the four required parameters (filepath, sheet_name, cell, formula), forcing the agent to rely solely on parameter titles, which may be ambiguous.

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 tool validates Excel formula syntax without applying it. The verb 'validate' and resource 'formula syntax' are specific. The 'without applying it' distinguishes it from the sibling 'apply_formula'.

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 phrase 'without applying it' implies usage before applying a formula, but there is no explicit guidance on when to use this tool versus alternatives like apply_formula. The context is implied, not stated.

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