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

Annotations already establish readOnly, idempotent, non-destructive, and closed-world, so the description correctly avoids restating those. It adds genuinely new behavior: an access right on the target robot is required and a refusal naming that robot is returned if absent — useful failure-mode context an agent would otherwise not predict.

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 tight sentences: the payload description is front-loaded and the access/refusal caveat follows. No filler, though the refusal clause is arguably more operationally important than the component list and could lead.

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 no output schema, the description does well to enumerate which software layers come back. But the undocumented blocks_only flag and the unstated relationship to sibling BOM/analysis tools leave meaningful gaps for a 2-parameter tool with zero schema coverage.

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 carries full responsibility for both parameters and delivers neither. robot_id is only obliquely implied ('one robot'), and blocks_only — a non-default flag that clearly changes the response — is never mentioned, leaving an agent unable to judge what it does.

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?

Names a specific resource — the software BOM for a single robot — and enumerates the layers it covers (OS, middleware, AI runtime, motion control, fleet management). It separates itself from hardware_/mechanical_ siblings by domain, but does not distinguish itself from close relatives like software_get_robot or software_get_block_analysis.

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?

Usage is only implied by the phrase 'for one robot'; there is no explicit statement of when to pick this over software_get_robot, software_get_dependency_profile, or software_get_block_analysis. The one concrete condition given is an access precondition, not a routing rule.

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