Reddit
Fable 5.1 generated a 1km square game zone in Blender in one shot by chaining two MCP servers on its own
The top r/ClaudeAI post of the day (1,136 upvotes, 276 comments) shows Fable 5.1 building a WoW-style region in Blender from a short prompt, and the detail worth noting is that it chose to call a second, local image-generation MCP server for textures without being told to. A parallel r/OpenAI thread at 922 upvotes puts the same class of Blender task side by side against GPT-6 Astra and calls the gap large. Both are eyeball comparisons with no controlled prompt, so treat them as evidence that multi-MCP tool chaining now works unprompted, not as a ranking.
Source
↳ Follow the thread