The Changelog: Software Development, Open Source Let's build something phoenix.new (Friends)
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Jun 27, 2025 Chris McCord, the mastermind behind Elixir’s Phoenix framework, shares insights on his new remote AI runtime designed for Phoenix apps. He discusses how autonomous coding agents may revolutionize development workflows and reflects on evolving software trends. The conversation dives into the potential of LLMs for rapid prototyping and the changing landscape of programming languages. With a mix of humor and industry insights, Chris and the hosts brainstorm app ideas, navigating the exciting future of coding and automation.
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Phoenix.new Leverages System Prompts
- Phoenix.new uses system prompts combined with world knowledge of models to vibe code full-stack Phoenix apps.
- It corrects common agent mistakes by instructing what not to do and provides tools to fetch missing info.
Phoenix May Lead AI Code Backend
- Elixir and Phoenix could become the backend language of choice for AI coding agents, regardless of front-end languages.
- Their built-in real-time features make them uniquely suited for a less glue-dependent future.
Remote Agent-Driven Code Iteration
- Future programming likely involves remote, continuous agent-driven code iteration, not local development.
- Software artifacts will predominantly run remotely, with human developers checking in rather than constantly coding locally.