MCP protocol newsletters

NewsletterFIT tracks 7 newsletters that cover MCP protocol as a primary topic, 5 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are HRV4Training's Substack (45K), Visually AI • Heather Cooper (20K) and Retail Innovation Week powered by PSFK's Fodda (10K).

Updated Oct 29, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    HRV4Training's Substack 45K subscribers

    Substack Monthly or less · last post 23 days ago

    Likely audience: Endurance coaches

  2. 2
    Visually AI • Heather Cooper 20K subscribers

    Substack Monthly or less · last post 30 days ago

    Likely audience: Creative directors

  3. 3
    Retail Innovation Week powered by PSFK's Fodda 10K subscribers

    Substack Every two weeks · last post 15 days ago

    Likely audience: Creative business owners

  4. 4
    Unlocking The Agentic Web Economy 5K subscribers

    Substack Monthly or less · last post 17 days ago

    Likely audience: Frontend developers

  5. 5
    Labnotes (by Assaf Arkin) —

    Ghost Weekly · last post 19 days ago

    Likely audience: AI developers

  6. 6
    Metavert Meditations 37K subscribers

    Substack last post Apr 30, 2026

    Likely audience: CMS developers

  7. 7
    Luka 電子報 5K subscribers

    Substack last post Jan 21, 2026

    Likely audience: Product managers

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