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

No annotations exist, so the description carries the full burden. It discloses the return contents (including the important detail that options are supplied only where they exist), which is genuinely useful given there is no output schema, but it says nothing about side effects, permissions/auth, or whether the field set varies per caller or enquiry state.

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?

Two dense sentences, front-loaded with what the tool returns and followed by the one actionable follow-up detail. Every clause earns its place, though the first sentence is a packed list that reads more like a spec than prose.

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?

For a zero-parameter read tool with no output schema, the description sufficiently describes the returned structure and the hand-off to submit_enquiry. The only real gap is not stating whether all fields are always returned or whether some are conditional on earlier answers.

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 input schema is empty (0 parameters), so there is nothing for the description to disambiguate and the baseline of 4 applies. The description instead documents the output field structure, which is a sensible substitution for a no-arg tool.

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 is concrete about the resource (the RMMCompare enquiry's fields) and enumerates exactly what each field record contains: key, label, type, required flag, help text, and allowed options. It stops short of explicitly distinguishing itself from the sibling enquiry_describe, so an agent must infer the split. Still, the purpose is unambiguous.

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 second sentence ties the tool to submit_enquiry by telling the agent to key answers by field key, which implies this is the discovery step preceding submission. However, it never states when to call this versus enquiry_describe, nor any prerequisite ordering. Usage is implied rather than specified.

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