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get_scene_info

Retrieve detailed information about the current Blender scene, including objects, materials, and settings, to analyze and manage 3D modeling projects.

Instructions

Get detailed information about the current Blender scene

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • The handler function for the 'get_scene_info' tool. It connects to Blender via get_blender_connection(), sends the 'get_scene_info' command, and returns the result as formatted JSON. Registered via @mcp.tool() decorator.
    @telemetry_tool("get_scene_info")
    @mcp.tool()
    def get_scene_info(ctx: Context) -> str:
        """Get detailed information about the current Blender scene"""
        try:
            blender = get_blender_connection()
            result = blender.send_command("get_scene_info")
    
            # Just return the JSON representation of what Blender sent us
            return json.dumps(result, indent=2)
        except Exception as e:
            logger.error(f"Error getting scene info from Blender: {str(e)}")
            return f"Error getting scene info: {str(e)}"
  • The @mcp.tool() decorator registers the get_scene_info function as an MCP tool.
    @mcp.tool()
  • Instruction in the asset_creation_strategy prompt recommending use of get_scene_info to check the scene before other operations.
    0. Before anything, always check the scene from get_scene_info()
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states the action ('Get detailed information') but lacks critical details: what format the information is returned in, whether it's read-only (implied but not explicit), potential errors if no scene exists, or performance considerations. This leaves significant gaps for a tool with zero annotation coverage.

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, efficient sentence that directly states the tool's purpose without any fluff. It's front-loaded and wastes no words, making it highly concise and well-structured for quick understanding.

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?

Given the complexity (a read operation with no parameters but no output schema), the description is incomplete. It doesn't specify what 'detailed information' includes (e.g., scene properties, objects, settings) or the return format, which is critical since there's no output schema. With no annotations and missing output details, it fails to provide enough context for reliable use.

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

Parameters4/5

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

The tool has 0 parameters, and the input schema has 100% description coverage (though empty). The description doesn't need to explain parameters, so it appropriately avoids redundancy. A baseline of 4 is given since no parameters exist, and the description doesn't add unnecessary details.

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

Purpose4/5

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

The description clearly states the verb ('Get') and resource ('detailed information about the current Blender scene'), making the purpose specific and understandable. However, it doesn't explicitly differentiate from sibling tools like 'get_object_info' or 'get_viewport_screenshot', which prevents a perfect score.

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. There's no mention of prerequisites, context (e.g., when a scene is loaded), or comparisons to siblings like 'get_object_info' for object-specific details, leaving usage ambiguous.

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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