TLDR

TLDR AI 2026-07-14

xAI uploads codebases 👨‍💻, Prime Intellect verifiers 🧠, Sakana smart bricks 🧱

Combine AI reasoning with deterministic execution (Webinar) (Sponsor)

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Headlines & Launches

Today, we are releasing verifiers v1 (3 minute read)

Smart Cellular Bricks: Towards Collective Intelligence for the Physical World (11 minute read)

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Deep Dives & Analysis

What xAI Grok Build CLI actually sends to xAI (20 minute read)

Making Fable Cheaper Than Opus (12 minute read)

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Engineering & Research

Testing Agents on Long-Horizon Terminal Work (GitHub Repo)

Mantis Skills: Portable Toolkit for Building Security Review Harnesses (GitHub Repo)

How Microsoft Ships Thousands of Production AI Agents (18 minute read)

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Miscellaneous

Better Call Sol: The Workhorse (16 minute read)

The Most Human Technology Ever Made (8 minute read)

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