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phaserjs

Phaser Editor MCP Server

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by phaserjs

scene-delete-prefab-property

Delete a user property from a prefab scene by providing the scene ID and property name.

Instructions

Delete a user property from the given prefab.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesThe name of the user property to delete.
sceneIdYesThe `id` of the prefab scene. The `id` is not the name of the scene, else a unique identifier is set in the scene data. You need to read the scene data to get the `id`. This id refers only to the scenes that are prefabs.
Behavior2/5

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

With no annotations provided, the description bears full responsibility for behavioral disclosure. It only states the deletion action without mentioning side effects (e.g., irreversibility), required permissions, or what happens if the property does not exist. This leaves significant ambiguity for the agent.

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?

The description is a single sentence that is concise and front-loaded with the core action. Every word is necessary, and there is no redundancy or fluff.

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

Completeness3/5

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

Given the lack of output schema and minimal behavioral context, the description is adequate for a simple delete operation but lacks details on consequences, required permissions, and error handling. With only 2 parameters and full schema coverage, it meets the minimum but leaves room for improvement.

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

Parameters3/5

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

The input schema has 100% description coverage for both parameters ('sceneId', 'name'), so the baseline is 3. The description adds no additional semantic meaning beyond the schema, but also does not contradict it.

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 the action ('Delete'), the target ('a user property'), and the context ('from the given prefab'). It is specific and distinct from sibling tools like 'scene-declare-prefab-property' (which creates/declares) and other delete tools that target different resources.

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?

The description provides no guidance on when to use this tool versus alternatives, nor does it mention any prerequisites or exclusions. The purpose is implied but not explicitly compared to siblings like 'scene-declare-prefab-property'.

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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