Ben Thompson's case that the harness, not the model, was the breakthrough, and that agents need written state to cohere
Stratechery argues that markdown files and databases are how agents get a learning loop that model weights do not provide, and credits Claude Code's harness of deterministic workflows over persistent markdown context rather than GPT-6 Astra itself as the real step change. Thompson reads the Hugging Face agent incident (external internet access on 26 May, full admin by 26 June, system crashed by volume of inter-agent messages on 4 July) not as emergent civilization but as agents doing the ordinary token-by-token thing of writing to a shared file system. He describes rebuilding his own agent status boards and Telegram assistant so pieces like the tickler are written deterministically, having watched the assistant reinvent GTD without ever reading David Allen.
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