set_pattern_name

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 disclosing behavior. It only states the rename action and parameters, without mentioning side effects, whether the operation is reversible, how invalid indices are handled, or whether name changes affect dependent objects. For a mutating tool with no annotations, 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 a single clear opening sentence followed by a compact, well-structured argument list. Every sentence earns its place, and the key operation is front-loaded.

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 simple two-parameter rename operation, the description provides enough information for an agent to invoke it correctly: the action, the target resource, and both arguments. The lack of an output schema reduces the need to explain return values, though error behavior and naming rules would improve completeness further.

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 adds useful meaning to both parameters: pattern_index is explicitly 'Zero-based index' and name is described as the 'New name for the pattern piece', which clarifies its role beyond the bare schema titles. It does not include constraints like uniqueness or allowed characters, but the core semantics are present.

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 verb ('Rename') and resource ('pattern piece'), and identifies the two arguments that define the operation. It is unambiguous and distinct from the many sibling pattern tools, which address different actions like flipping, unfolding, or placing patterns.

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 implies when to use the tool: whenever a pattern piece needs a new name. However, it gives no explicit guidance about alternatives, exclusions, or prerequisites, leaving the agent to infer the usage context from the operation name alone.

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