Spec-driven development newsletters

NewsletterFIT tracks 3 newsletters that cover Spec-driven development as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Engineering Leadership (198K), Claude Code Masterclass (88K) and The AI Player Coach (15K). Brands detected sponsoring these newsletters recently include Unblocked, CodeRabbit and DX.

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Engineering Leadership198K subscribers

    SubstackSeveral times a week · last post 15 days ago

    Likely audience: Engineering leaders

    Sponsors detected: Unblocked, CodeRabbit, DX

  2. 2
    Claude Code Masterclass88K subscribers

    SubstackEvery two weeks · last post 51 days ago

    Likely audience: Claude Code users

  3. 3
    The AI Player Coach15K subscribers

    SubstackMonthly or less · last post 16 days ago

    Likely audience: Director+ product leaders

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