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sam-david

unreal-mcp

by sam-david

remove_graph_node

Remove a specific node from an Unreal Engine Blueprint graph by supplying the Blueprint asset path and node ID. Requires the optional C++ plugin.

Instructions

Remove a node from a Blueprint graph. Requires the optional C++ plugin.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
node_idYesNode ID to remove
blueprint_pathYesBlueprint asset path
Behavior3/5

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

With no annotations provided, the description carries the burden of disclosing behavioral traits. It adds the prerequisite that the optional C++ plugin is required, which is useful. However, it does not disclose consequences like potential disconnection of edges, irreversibility, or error behavior, which would be relevant for a removal operation.

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 two concise sentences, front-loaded with the main purpose and followed by an essential requirement. Every word earns its place with no redundancy or fluff.

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

Completeness4/5

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

For a simple two-parameter tool with full schema coverage and no output schema, the description adequately states the core action and a critical prerequisite (plugin). It might benefit from noting return behavior or failure modes, but given the simplicity, it is reasonably complete.

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?

Schema coverage is 100% with both parameters described ('Node ID to remove' and 'Blueprint asset path'). The description itself adds no extra parameter semantics beyond what the schema already provides, so the baseline of 3 applies.

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 uses a specific verb ('Remove') and resource ('node from a Blueprint graph'), clearly distinguishing it from sibling tools like add_graph_node, connect_graph_nodes, and list_graph_nodes. No ambiguity about what the tool does.

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

Usage Guidelines3/5

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

The purpose implies usage (when you need to remove a node), but there is no explicit when-to-use vs alternatives or any exclusions. The plugin requirement is a prerequisite, not a usage guideline. This is implied usage rather than explicit guidance.

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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