A developer building a language-learning app routes each chat turn through a cheap classifier that selects a named "chat mode" — a per-turn configuration of instructions, tools, model, and thinking ef…
Rails published a landing page and benchmark suite pitching the framework as a good fit for coding agents, arguing that convention over configuration, Ruby's token density, and decades of public Rails…
Rails Baseline released a free, repo-aware architecture checkup tool for existing Rails applications that runs inside coding agents such as Codex, Claude Code, and Cursor. The checkup flags where an a…
A developer has released rcrewai and rcrewai-rails, open-source Ruby gems that let Rails applications run AI agents as background jobs for tasks like support ticket triage. The setup uses scoped, read…
A developer outlines how a seemingly simple webhook endpoint evolves into a small distributed system, requiring signature verification, durable ingress, asynchronous workers, and handling of duplicate…
Fusionery, a new AI game builder and editor built with Rails and Godot, was showcased on Hacker News, enabling creators to turn prompts into playable games with versioned blueprints, runtime builds, a…
Rails' latest weekly update highlights progress toward Ractor support, with controller configuration, Action View settings, Active Record commit callbacks, and time zone configuration now shareable ac…
Claude Fable 5.1, released yesterday, solved 58 of 63 runs (92%) on the Agents on Rails benchmark, matching Claude Opus 5's accuracy while surpassing it in efficiency, with bills about 50% lower than …
Ascend engineering lead Eddie Galindo and senior software engineer Kagen Hearn detailed on the On Rails podcast why the insurance-payments company still runs a single Rails monolith five years in, how…
RubyCoder.ai, a new professional network and resource platform for the Ruby community, has been launched. The platform centralizes Ruby gems, developer tools, technical content, and AI-related resourc…
A developer built AdversarialDebate, an open-source review engine that forces two LLMs to analyze artifacts independently before debating, to address the structural bias in typical AI 'second opinions…
RubyLLM 2.0, the Ruby gem for AI chat, exposes the agentic loop as a set of composable verbs—ask_later, generate, run_tools, step, complete?, and complete—so developers can control each model call and…
A developer reports that AI coding assistants like Claude Code and aider deliver the greatest productivity gains not in writing code but in reading unfamiliar codebases, performing mechanical migratio…
Itaruby, a Ruby type checker built in Rust, has found 15 bugs across Discourse, Rails, Zammad, and ruby-lsp, with 7 accepted, according to its developer. The checker, which is not yet released, uses i…
A developer behind the open-source ccteams project has introduced deterministic code-review hooks for Claude Code that enforce coding rules via regex-based checks instead of relying on the AI agent's …
Rails has open-sourced lemans, the Ruby-based harness behind its Agents on Rails benchmark, and released new scores for four models, including Sonnet 5, Terra, and Qwen 3.8-27B. Qwen 3.8-27B scored 48…
A developer argues that AI coding agents require enforced tooling, not just advisory documentation, to maintain code quality. The post recommends 100% branch coverage on touched files, mutation testin…
In the latest round of LLM benchmarks, Deepseek v4 models scored 93 points, placing them in the middle of the Tier A pack, with Flash 0731 completing the test in 43 minutes and Pro 0813 in 48 minutes,…
ArchSpec 1.0, an architecture linter for Ruby and Rails, was released today by developer Enrique Comba Riepenhausen, who also created RubyLLM. The tool allows developers to declare components and boun…
AI agents are generating database down migrations that often fail to restore the original schema, and a round-trip test in CI can catch schema drift but not data loss, according to a developer article…