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opslon

BlenderMCP

by opslon

get_sketchfab_status

Check if Sketchfab integration is enabled in Blender to determine availability of 3D model sharing features for prompt-assisted modeling workflows.

Instructions

Check if Sketchfab integration is enabled in Blender. Returns a message indicating whether Sketchfab features are available.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • The 'get_sketchfab_status' tool handler in the MCP server. It connects to Blender and retrieves the status of the Sketchfab integration.
    @mcp.tool()
    def get_sketchfab_status(ctx: Context) -> str:
        """
        Check if Sketchfab integration is enabled in Blender.
        Returns a message indicating whether Sketchfab features are available.
        """
        try:
            blender = get_blender_connection()
            result = blender.send_command("get_sketchfab_status")
            enabled = result.get("enabled", False)
            message = result.get("message", "")
            if enabled:
                message += "Sketchfab is good at Realistic models, and has a wider variety of models than PolyHaven."        
            return message
        except Exception as e:
            logger.error(f"Error checking Sketchfab status: {str(e)}")
Behavior2/5

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 behavioral disclosure. It mentions the tool returns a message about availability, but doesn't specify format, potential errors, or side effects (e.g., if it requires network access or affects Blender state). For a tool with zero annotation coverage, this leaves significant gaps in understanding its behavior.

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 extremely concise and front-loaded: two sentences with zero waste. The first sentence states the core purpose, and the second clarifies the return value. Every word contributes directly to understanding the tool's function.

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 tool's simplicity (0 parameters, no annotations, no output schema), the description is adequate but minimal. It covers the basic purpose and return indication, but lacks details on output format, error handling, or integration specifics. For a status-checking tool, more context about what 'enabled' means or typical return messages would improve completeness.

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 meets baseline expectations. No additional parameter information is required or provided.

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 tool's purpose: 'Check if Sketchfab integration is enabled in Blender.' It specifies the verb ('Check') and resource ('Sketchfab integration'), and distinguishes it from sibling tools like get_sketchfab_model_preview or download_sketchfab_model. However, it doesn't explicitly differentiate from other status-checking tools like get_hunyuan3d_status or get_hyper3d_status, 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. It doesn't mention prerequisites (e.g., whether Blender must be running), compare it to other status-checking tools (e.g., get_hunyuan3d_status), or specify scenarios where it's necessary (e.g., before attempting Sketchfab downloads). Usage is implied but not explicitly stated.

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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