internals

How the Blender MCP Viewport Screenshot Capture Tool Encodes and Returns Images

April 13, 2026 ahujasid/blender-mcp ↗

The viewport screenshot capture tool creates a unique temporary PNG file, instructs the running Blender instance to write the viewport screenshot to that path, reads the binary data into memory, deletes the temporary file, and returns the payload wrapped in an MCP Image object.

The ahujasid/blender-mcp repository implements a Model Context Protocol (MCP) server that exposes Blender's 3D viewport to external clients. The get_viewport_screenshot RPC, defined in src/blender_mcp/server.py, handles the complete lifecycle from

Have a question about this repo?

These articles cover the highlights, but your codebase questions are specific. Give your agent direct access to the source. Share this with your agent to get started:

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."

Works with

Claude Codex Cursor VS Code OpenClaw Any MCP Client

Maintain an open-source project? Get it listed too →