Best MCP (Model Context Protocol) Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover MCP (Model Context Protocol) as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Source AI (1K).

Updated Nov 7, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Source AI1K subscribers

    SubstackEvery two weeks · last post 4 days ago

    From recent posts: The article outlines the shift from personal AI experimentation to building owned, governed software layers within enterprises to ensure data sovereignty, professionalize internal knowledge, and create scalable AI infra…

    Likely audience: Enterprise CTOs and CIOs

  2. 2
    AI For Business—

    beehiivWeekly · last post 17 days ago

    From recent posts: The article introduces xAI's Grok Bot, an agentic AI agent capable of executing multi-step tasks and workflows autonomously, while providing a curated list of 250+ plugins and MCPs to enhance its capabilities. It also p…

    Likely audience: AI developers and engineers

  3. 3
    Built—

    SubstackMonthly or less · last post 20 days ago

    Notas construyendo producto, negocio, tecnología, …

    Likely audience: Product managers

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