Coding Agents & Language Evolution: Navigating Uncharted Waters • José Valim • GOTO 2025

This presentation was recorded at GOTO Copenhagen 2025. #GOTOcon #GOTOcph
https://gotocph.com

José Valim - Creator of Elixir & Co-Author of "Adopting Elixir: From Concept to Production"

RESOURCES
https://bsky.app/profile/josevalim.bsky.social
https://twitter.com/josevalim
https://github.com/josevalim
https://www.linkedin.com/in/josevalim
https://dashbit.co

Links
https://tidewave.ai
https://agents.md
https://simonwillison.net/2025/Jun/16/the-lethal-trifecta
https://xkcd.com/327

ABSTRACT
As AI agents become increasingly integrated into software development, we find ourselves facing questions about how our programming languages and tools should evolve, in order to make coding agents and ourselves more productive.

This talk breaks down coding agents into distinct axes (instructions, tools, and runtimes) and discusses practical solutions (AGENTS.md, runtime introspection, etc) to improve both developer and agentic experiences, whether you're using AI tools daily or building developer tooling. [...]

TIMECODES
00:00 Intro
01:59 Improving coding agents
02:53 Improving agents: Instructions
08:54 Improving agents: Tools
18:15 Improving agents: Runtime
18:42 Demo
24:17 Improving agents: Runtime continued
31:31 Building integrated runtimes
36:37 Summary
37:07 Outro

Download slides and read the full abstract here:
https://gotocph.com/2025/sessions/3740

RECOMMENDED BOOKS
Jose Valim, Chris McCord & Bruce Tate • Programming Phoenix 1.4 • https://amzn.to/3MIml6r
Jose Valim Ben Marx & Bruce Tate • Adopting Elixir • https://amzn.to/4pczr9o
Jose Valim • Crafting Rails 4 Applications • https://amzn.to/493BWVp
Saša Jurić • Elixir in Action • https://amzn.to/2RZh5eN
Dave Thomas • Programming Elixir ≥ 1.6: Functional • https://amzn.to/34Dw3O5

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