update_theme

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

No annotations are provided, so the description carries the full burden. It only states 'Update an installed Hugo theme' without disclosing what happens during the update (e.g., whether it updates to the latest version, if it prompts for input, or if it can revert changes). The description lacks detail on side effects, reversibility, or required permissions.

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 extremely concise (one sentence) but at the cost of being vague. While it avoids unnecessary text, it lacks sufficient detail to be useful. A slightly longer description with key context would improve it.

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 three parameters, no output schema, and no annotations, the description is completely inadequate. It does not cover prerequisites, return values, side effects, or any usage context beyond the bare action. This fails to support correct agent invocation.

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 the schema provides no documentation for the three parameters ('site_path', 'theme_name', 'use_modules'). The description does not explain any parameter, leaving the agent to guess the meaning and valid values. This is insufficient for correct invocation.

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 action ('Update') and the resource ('an installed Hugo theme'). It distinguishes from the sibling 'install_theme' since installing is different from updating. However, it does not explicitly differentiate from other siblings like 'get_theme_details', but the verb and resource make the purpose clear.

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?

There is no guidance on when to use this tool versus alternatives such as 'install_theme' (for new themes) or 'get_theme_details' (for checking version). The description does not mention prerequisites (e.g., theme must already be installed) or when an update is appropriate.

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