Best AI Agent Developments Newsletters in 2026

NewsletterFIT tracks 21 newsletters that cover AI agent developments as a primary topic, 17 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Last Week in AI (189K), Robots on Payroll (33K) and Productify by Bandan (33K).

Updated Nov 11, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Last Week in AI189K subscribers

    SubstackEvery two weeks · last post 33 days ago

    From recent posts: Last Week in AI publishes weekly articles and podcasts focused on LLM releases, safety incidents, and technical advancements for developers and researchers. The publication mixes news summaries with podcast episodes…

    Likely audience: ML engineers

    Sponsors detected:

  2. 2
    Robots on Payroll33K subscribers

    SubstackEvery two weeks · last post 43 days ago

    From recent posts: Robots on Payroll publishes weekly technical guides, pricing frameworks, and curated resource lists for indie developers building AI-powered software. The content focuses on practical implementation details such as…

    Likely audience: Product managers

    Sponsors detected:

  3. 3
    Productify by Bandan33K subscribers

    SubstackEvery two weeks · last post 24 days ago

    From recent posts: Productify by Bandan publishes weekly articles on AI architecture, product strategy, and the intersection of domain expertise with artificial intelligence for product managers and technical leaders. The content ranges…

    Likely audience: Product managers

    Sponsors detected:

  4. 4
    To Data & Beyond26K subscribers

    SubstackWeekly · last post 8 days ago

    Mastering AI, Gen AI & Data Science Beyond the Basics

    Likely audience: AI engineers

  5. 5
    Packt CloudPro26K subscribers

    SubstackWeekly · last post 14 days ago

    Our mission is to bring you the freshest updates in Cloud, Identity and Access Management, CI/CD, DevSecOps, Cloud Security, and adjacent domains.

    Likely audience: Platform engineers

  6. 6

    SubstackEvery two weeks · last post 13 days ago

    From recent posts: This weekly newsletter aggregates AI industry news, including engineering culture, business operations, and practical case studies on agent development and deployment. It targets professionals and entrepreneurs seeking…

    Likely audience: AI Product Managers

  7. 7
    News do Diogo Moraes4K subscribers

    SubstackSeveral times a week · last post 10 days ago

    From recent posts: News do Diogo Moraes publishes a mix of AI-focused business content and personal workflow experiments. The newsletter features platform updates like AplicaAI's testing for LLM recommendation accuracy, practical guides…

    Likely audience: Small business owners

  8. 8

    beehiivSeveral times a week · last post 4 days ago

    From recent posts: AI for Work publishes weekly industry analysis on enterprise AI adoption, security, and governance, featuring interviews with executives and updates on tools like agents and zero-trust systems. The publication mixes…

    Likely audience: Product managers

    Sponsors detected:

  9. 9

    beehiivWeekly · last post 8 days ago

    From recent posts: The Growth Playbook publishes weekly AI agent development guides, social media differentiation strategies, and share of voice metrics analysis for B2B marketers. It also features live sessions on Google's AI Mode and…

    Likely audience: Product managers

  10. 10
    JoT—

    SubstackWeekly · last post 9 days ago

    A place for me to practice writing on things that interest me, usually something to do with technology or leadership.

    Likely audience: Senior software engineers

  11. 11

    SubstackWeekly · last post 7 days ago

    I break down architecture decisions, AI-assisted development, and the real-world engineering wisdom they don't teach in tutorials. This isn't beginner content. It's for working engineers who want depth, perspective, and…

    Likely audience: Software engineers

  12. 12

    SubstackWeekly · last post 6 days ago

    Compartimos las noticias más relevantes del ecosistema startup, junto con entrevistas a emprendedores de éxito, análisis y tendencias clave. Todo lo que necesitas saber, cada semana, directo a tu bandeja de entrada.

    Likely audience: Venture capitalists

  13. 13

    SubstackSeveral times a week · last post 4 days ago

    From recent posts: The article introduces a GitHub tool designed to help AI agents download entire time series datasets locally, addressing pagination issues common in MCP servers when analyzing multiple datasets simultaneously.

    Likely audience: AI developer

  14. 14

    SubstackEvery two weeks · last post 29 days ago

    From recent posts: This newsletter reviews TypeSafe AI's new Jev model, which uses a specialized architecture for deterministic decisions rather than general text generation, and highlights recent AI funding rounds and startup events in F…

    Likely audience: AI engineers

  15. 15

    LinkedInEvery two weeks · last post 24 days ago

    Embedded, the show for people who love gadgets! Making them, breaking them, and everything in between.

    Likely audience: Embedded developers

  16. 16

    LinkedInEvery two weeks · last post 24 days ago

    Proven UX strategies, audit & checklist, convert readers into clients weekly.

    Likely audience: AI developers and engineers

  17. 17

    LinkedInMonthly or less · last post 27 days ago

    Discover incredible new software and get up to 30% lifetime discounts on thousands of SaaS products!

  18. 18
    Agentplex AI Agents4K subscribers

    Substacklast post Feb 5, 2025

    A weekly newsletter on the latest projects and research in AI Agents, and agentic apps.

    Likely audience: venture capital investors

  19. 19

    Substacklast post Feb 20, 2025

    From recent posts: The AI Makers Lab Newsletter publishes practical, first-person guides on building AI agents and assistants using no-code tools like n8n, Telegram bots, and voice cloning. It targets non-technical makers and…

    Likely audience: UX writers

  20. 20

    Substacklast post Mar 24, 2026

    A weekly essay that helps your product to grow

    Likely audience: Frontend developers

  21. 21

    Substacklast post Sep 30, 2025

    AI-generated insights with humans in the loop, trained on Sequoia Capital's podcasts, events and written perspectives.

    Likely audience: CTOs and engineering leaders

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