internals

How the Blender MCP Server Uses FastMCP and Manages Async Operations

April 13, 2026 ahujasid/blender-mcp ↗

The Blender MCP server leverages FastMCP's asyncio-based framework to expose synchronous Blender operations as async-capable MCP tools, using thread-pool executors to prevent blocking while maintaining clean, declarative function definitions.

The ahujasid/blender-mcp repository provides a Model Context Protocol (MCP) server that enables AI assistants to control Blender's 3D environment. Built on the FastMCP framework (mcp.server.fastmcp.FastMCP), the server architecture elegantly bridges Python's synchronous socket I/O with asynchronous request handling

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Share the following with your agent to get started:

curl -s "https://instagit.com/install.md"

Add to your MCP client configuration:

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}

Ask your agent:

"Use Instagit MCP to understand how ahujasid/blender-mcp works."

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