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create_package

Idempotent

Creates a ROS 2 Python package within a specified workspace directory.

Instructions

Create a ROS 2 Python package inside a workspace.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
package_nameYes
workspace_pathYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

The description provides no behavioral details beyond what annotations already specify (idempotentHint=true, destructiveHint=false). It does not explain what happens if the package already exists, what files are created, or whether it modifies the workspace structure.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single, focused sentence with no filler. It is appropriately sized and front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description is too minimal for a creation tool with two required parameters and potential side effects. It lacks usage context and parameter guidance, leaving the agent to infer important details from the schema and annotations alone.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, and the description adds no additional context about the required parameters. While parameter names (workspace_path, package_name) are somewhat self-explanatory, the description fails to clarify path requirements, naming conventions, or how the parameters relate to the creation process.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states a specific action ('Create a ROS 2 Python package') and its location ('inside a workspace'), distinguishing it from sibling tools like create_workspace or create_node. It provides a precise verb+resource+scope.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool vs alternatives, no prerequisites or post-conditions, and no exclusions. The usage context is implied only from the name and brief description.

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

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