303: The Taming of the Slop
Thinking Elixir Podcast
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Mark Ericksen and David Bernheisel open the show and introduce the episode's news focus and sponsors.
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News includes the Erlang Ecosystem Foundation publishing its 2026 board election candidates with voting now open, a new GitHub organization called Elixir-Vibe launching with tools to detect and fix AI-generated Elixir “slop” — including ExSlop and the related semantic linter Credence, erlang_python 3.0.0 arriving with true parallelism by embedding CPython into the BEAM as a first-class citizen, ElixirConf EU 2026 videos beginning to drop including keynotes from José Valim and Chris McCord, and more!
Show Notes online - http://podcast.thinkingelixir.com/303
Elixir Community News
- https://paraxial.io/ – Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.
- https://erlef.org/blog/eef/election-2026-candidates – Candidates for the Erlang Ecosystem Foundation 2026 board election have been published. Candidates include David Bernheisel, Jon Carstens, Francesco Cesarini (incumbent), Nathan Hessler, Amos King (incumbent), Greg Mefford, Duane Strikwerda, and Alistair Woodman (incumbent). Voting opens May 8th at 16:00 UTC and closes May 15th at 23:59 UTC.
- https://x.com/dan_note/status/2050239025458409646 – DanNote on GitHub created a new GitHub organization called "Elixir-Vibe" — a home for Elixir-native tooling for AI-assisted coding, AST analysis, structural code search, code quality, architecture analysis, and BEAM-native coding agents.
- https://github.com/elixir-vibe – The Elixir-Vibe GitHub organization housing libraries for fixing, reviewing, and spotting "slop" in AI-generated Elixir code.
- https://github.com/elixir-vibe/ex_slop – ExSlop is a library under Elixir-Vibe — Credo checks that catch AI-generated Elixir code slop.
- https://x.com/kamilskowron/status/2051778642053628125 – Announcement of Credence, a semantic linter for LLM-generated Elixir code that catches patterns that compile and pass tests but are non-idiomatic, inefficient, or ported from Python/JavaScript conventions that don't belong in Elixir.
- https://hex.pm/packages/credence – Credence on Hex.pm — a semantic linter for LLM-generated Elixir code.
- https://github.com/Cinderella-Man/credence – Credence on GitHub — complements the compiler and Credo by checking semantics of LLM-generated Elixir code.
- https://x.com/benoitc/status/2050939005395505185 – Benoit announced erlang_python 3.0.0, which embeds CPython into the BEAM with true parallelism via Python 3.14 OWN_GIL subinterpreters or free-threaded 3.13t, async/await, bidirectional Erlang↔Python callbacks, and stable thread affinity for numpy/torch.
- https://github.com/benoitc/erlang-python/releases/tag/3.0.0 – Release notes for erlang_python 3.0.0.
- https://github.com/benoitc/erlang-python – The erlang-python GitHub repo — combines Python's ML/AI ecosystem with Erlang's concurrency, making Python a first-class BEAM citizen rather than a simple guest like pythonx.
- https://www.youtube.com/playlist?list=PLvL2NEhYV4ZsIgecSexrk26--PBWiEyUy – Playlist of ElixirConf EU 2026 videos, which have started publishing. Includes keynotes from José Valim on type system design, Chris McCord on DurableServer, and more.
- https://x.com/josevalim/status/2052090411607286087 – José Valim announced Tidewave updates including a minimap on large file diffs, pin-point agent feedback, smoother onboarding for Tidewave Teams, and updates to OpenCode, Claude Code & Codex.
- https://open-design.ai/ – Open-source alternative to Claude Design. Turns your existing coding agent (Claude, Codex, Cursor, Gemini, OpenCode, Qwen) into a design engine driven by 31 composable skills and 72 brand-grade design systems. Available on Mac and Windows.
- https://github.com/nexu-io/open-design – GitHub repo for open-design, the open-source design engine for coding agents.
- https://x.com/bcardarella/status/2050578567897985072 – Brian Carderella posted about open-design saying "OpenDesign is fantastic. Within 10 minutes it's already replaced Claude Design for me."
- https://docs.aws.amazon.com/bedrock/latest/userguide/bedrock-mantle.html – AWS Mantle - an OpenAI compatible API to many different LLM models
- https://docs.aws.amazon.com/bedrock/ – AWS Bedrock - The hosting of many different LLM models
- https://hexdocs.pm/langchain/LangChain.ChatModels.ChatAwsMantle.html – Elixir LangChain support for AWS Mantle using ChatAwsMantle
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at [email protected]
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