add_make_array_node

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

There are no annotations, so the description carries full responsibility for behavioral disclosure. It only states that the tool adds a node; it does not describe side effects, permissions, idempotency, or what happens if the blueprint is invalid. Since it's a mutation operation with zero annotation coverage, this is a significant gap.

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 well-structured: a clear purpose statement, contextual note, parameter list, KB reference, and a concrete example. It is concise and front-loaded with the primary action. Every line serves a purpose; no fluff or redundant information.

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 node-addition tool, the description covers the essential inputs (blueprint, element type, pin count, position), provides an example, and points to a knowledge base section. It does not explain return values (though an output schema exists, not shown) or failure modes, but given the simplicity and the KB reference, it is fairly complete for an agent to call it 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?

The schema has 0% description coverage, so the description must compensate. It lists all four parameters with brief explanations (blueprint_name, element_type, num_pins, node_position), which adds some meaning beyond the bare schema. However, the explanations are terse; for example, 'element_type' does not specify valid values or constraints. It partially compensates but could be more detailed.

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 states a specific action ('Add a Make Array node') and the resource (blueprint), plus the purpose ('create an Array from individual variables'). It gives concrete use cases (point light arrays, spawn point lists). It doesn't explicitly distinguish from sibling tools like add_make_set_node or add_make_map_node, but the name is clear enough for most agents.

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 description provides context on when to use it ('used to create point light arrays... or any array built from known variables'), which implies its appropriate scenarios. However, it does not mention alternatives or exclusions (e.g., when to use add_object_type_make_array_node instead). The guidance is implied rather than explicit, leaving some ambiguity.

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