Roblox Q3 letter: MCP daily users and asset uploads surged after Opus 5.5 launch

SuB8u · x · 2026-11-01

From Roblox's Q3 2026 shareholder letter: daily users of their MCP server and asset uploads both inflected sharply after Opus 5.5 launched on September 22. Over the past month, more than 80% of the top 100 Roblox games used AI. The poster notes "things changed in September" — a strong signal that a frontier model in an MCP workflow caused a step-change in AI creation activity on the platform.

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