X Re-Open-Sources Its For You Algorithm — and Grok Read All 370,523 Lines

X released the source of its recommendation algorithm again, and this time an AI did the reading: Grok parsed all 370,523 lines and produced a detailed scoring breakdown.

X open-sourced its For You recommendation algorithm again, and the notable twist is who — or what — actually read it. @AITrailblazerQ reported that Grok Bot parsed all 370,523 lines of the codebase and produced a detailed scoring breakdown, complete with the mathematical weights governing what surfaces in users' feeds.

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