An Elixir consultant reflects on rising interest in the Nerves embedded/IoT framework, driven partly by AI coding agents that are surprisingly effective at Elixir and at bootstrapping new hardware support. Nerves provides a locked-down, opinionated foundation (buildroot-based, A/B updates, firmware signing, deterministic builds) that constrains agents in useful ways, reducing the chaos that comes from unconstrained agent-driven prototyping. The piece covers ecosystem tools like NervesHub/NervesCloud, nerves_livebook, kiosk demos, and the author's own experiments (nerves_mcp, usb_proxy) using agents to debug firmware, find missing partition tables, and fix BLE issues, while noting Nerves recently updated contribution guidelines to manage a surge in agent-driven PRs.
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Solid foundationsConstraintsA trustworthy coreAn ecosystemHardware is still quite moatyQuestions this post answers
Why are AI coding agents good at working with the Nerves embedded Elixir framework?
Nerves constrains the language, tooling, and build process to a locked-down, opinionated foundation (buildroot-based Linux, A/B partition updates, firmware signing, deterministic builds), which removes many open-ended decisions and lets agents focus on the application layer. Agents also reportedly perform well at Elixir itself, and have been used to port new hardware boards, debug missing filesystem partition tables, fix BLE issues, and tune radar firmware. Developers combining AI agents with embedded Elixir work can follow framework and tooling shifts on daily.dev.
What update platform does the Nerves IoT framework use for over-the-air firmware updates?
NervesHub, an open source project, along with its managed counterpart NervesCloud, serve as the default OTA update platform for Nerves devices. They support minimal delta updates, device health tracking, and remote consoles, and are proven at hundreds of thousands of devices. NervesHub is also expanding support for non-BEAM firmware types including AtomVM, Rust on microcontrollers, ESP32-IDF, and Rauc. Teams choosing an OTA update platform for IoT fleets can track NervesHub and NervesCloud developments on daily.dev.
Why did the Nerves project change its contribution guidelines because of AI agents?
Nerves added new contribution guidelines specifically addressing agent usage to prevent a flood of low-quality, agent-generated pull requests and issues from regressing the project's quality. The maintainers stated a preference for talking to humans and aim to keep the project's core changing slowly and deliberately even as more experimentation happens around its edges using agents. Maintainers navigating agent-driven contributions can watch how open source projects adapt their guidelines via daily.dev.