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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It implies a read operation by describing a filterable list, but it never explicitly says the tool retrieves or returns data. It also does not state side effects, auth requirements, rate limits, or any limitations. A simple 'Returns all options...' would significantly improve transparency.

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 about 30 words and not bloated, but its opening 'The options in...' is a noun phrase that nearly echoes the title. It front-loads context before the actionable filtering detail. It is adequate but not a model of efficient, verb-first structure.

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?

With two parameters, no annotations, and no output schema, the description is the only guide. It gives enough to guess the tool returns a list of options with name/best-for/tags and can filter by tag, but it does not explain filterKey, whether parameters are required, or what the return shape looks like. An agent would struggle to call this 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?

Schema description coverage is 0%, so the description must compensate. It mentions filtering 'by a tag value,' which likely maps to filterValue, but filterKey is not explained at all. No types, accepted values, or relationships between the two parameters are clarified, leaving a correct call 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 identifies the resource: options in the UK food safety and HACCP management software comparison, and lists concrete fields (name, best for, tags). This distinguishes it from siblings like compare_table and compare_criteria. However, it is a noun phrase without an explicit verb like 'list' or 'fetch', and the title 'The options' restates the noun instead of adding action.

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 compare_table, compare_criteria, or the enquiry tools. The only usage hint is 'optionally filtered by a tag value,' which describes a filter condition, not when to choose this tool over alternatives. No exclusions or prerequisites are mentioned.

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