Not just a mock server. Turn an OpenAPI spec into TypeScript-based simulation, with state management, hot reload, and a REPL. - counterfact/api-simulator

Consistent dependency versions in large JavaScript Monorepos

Multi-Raft consensus, SIMD-accelerated vectors, and ML inference without leaving the Go toolchain. How we built Antfly — a distributed document database that combines BM25, vector search, and graph traversal in a single binary.

A deep dive into the Go compiler pipeline: from lexing and parsing to SSA, optimization passes, and code generation.

Introduction

Server-side flight recorder for PostgreSQL. Answers 'what was happening in my database?'

Server-side performance telemetry for PostgreSQL 15+ - extracted from SA-Toolkit - dventimisupabase/pg_flight_recorder

High-performance PostgreSQL job queue for Python

Views are PostgreSQL's cleanest abstraction and its most rigid one. How rewrite rules, attribute numbers, and the dependency catalog conspire to make every column change a teardown, and what is missing in core that would fix it.

Add custom processing for warnings. Contribute to jeremyevans/ruby-warning development by creating an account on GitHub.

Stop interpolating CSS classes with ternaries in your ERB templates.

Public roadmap for rubygems.org. Open issues, follow along, and weigh in on the direction of the registry. - Introduce concept of "Alumni" to RubyGems.org · Issue #15 · rubygems/roadmap

We've spent the past few months integrating Herb into the GitHub.com monolith. It caught numerous bugs missed by our existing tooling and allowed us to migrate off the effectively-archived erb_lint, but a key performance blocker remains. In this talk, I'll share how you can see similar benefits in your codebase today and help improve the project ahead of its 1.0 release.

The most successful Claude Code deployments share a set of recognizable patterns across configurations, tooling, and org structure. This article is part of Claude Code at scale, a new series covering best practices for engineering organizations building with Claude Code at enterprise scale.

Orca is the next-gen IDE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop and mobile - stablyai/orca

The results: 📌 Per-file transform: 1.65 ms → 0.46 ms 📌 Full pass: 75.73 ms → 21.25 ms 📌 Speedup: 3.56×

A pipeline of skills and agents for the Pi coding agent. 19 skills, 13 specialist subagents, 6 sibling extensions.

Autonomous experiment loop extension for pi. Contribute to davebcn87/pi-autoresearch development by creating an account on GitHub.

How we cut our CI pipeline build time by 65% and open-sourced the project.

GitHub account BufferZoneCorp published sleeper packages that later added credential theft, GitHub Actions tampering, fake go wrappers, and SSH persis...

A Claude Code plugin for running read-only queries against a Rails 8.2+ app's database via `rails query` — locally or remotely via Kamal. - lewispb/rails-query-skill

Motivation / Background Agents and automated tooling increasingly need to query production databases to answer questions, investigate issues, and gather context. Today the closest option is rails r...

In this video, I walk through setting up GitLab Observability for three different apps(Ruby/Rails, Python, and JavaScript/React) using OpenTelemetry.What's c...

Discover how to automate AI-generated code quality in Rails with metrics for coverage, complexity, SRP, and mutation testing—all in one rake task.

Your agent writes bad Rails. This catches it. Static-analysis CLI that scores Rails codebases 0-100 and installs as an agent skill for Claude Code, Codex, Cursor, and Copilot. - artisanscompany/rai...