Steering Claude Code: skills, hooks, subagents and more | Claude by Anthropic
Learn about the seven methods for instructing Claude's behavior to understand the context cost and authority of each.
Sidekiq & Rails Compatibility Table - FastRuby.io | Rails Upgrade Service
A complete table showing the compatibility between Sidekiq and Rails across each version, check your upgrade options and know what's the latest version of Sidekiq or Rails you can use.
Safari MCP サーバーでエージェントが Safari ブラウザを操作できるようにする
Web アプリケーションの開発には実ブラウザでの動作確認が必要不可欠です。Playwright CLI や chrome-devtools-mcp などエージェント向けのブラウザ操作ツールは多くが Chromium に依存しています。Safari Technology Preview 247 の MCP サーバーは、エージェントを Safari に接続し操作できるようにします。
Tau
An educational Python project for learning how coding agents are built.
huggingface/tau: a minimalist agent that teaches you to create coding agents
a minimalist agent that teaches you to create coding agents - huggingface/tau
Iterating faster with TypeScript 7
How the VS Code and TypeScript teams collaborated to adopt TypeScript 7 and speed up VS Code development
Formisch: The lightweight, schema-first, and fully type-safe form library for React, Solid, Vue, Svelte and more
Formisch is a schema-based, headless form library for JS frameworks. It manages form state and validation. It is type-safe, fast by default and its bundle size is small due to its modular design.
Blocking Install Scripts Is Not a Silver Bullet
npm v12 blocks install scripts by default, but supply chain attacks won't disappear. Learn why runtime execution, the Node.js permission model, and sandboxing still matter.
jsdom/whatwg-url: An implementation of the WHATWG URL Standard in JavaScript
An implementation of the WHATWG URL Standard in JavaScript - jsdom/whatwg-url
Introduction | pnpm
pnpr is a pnpm-compatible npm registry server, written in Rust. It speaks the
Too many tables are bad for you | CYBERTEC PostgreSQL | Services & Support
This article shows that problems that too many tables in a single PostgreSQL database can cause and how to deal with these problems.
Why It's So Hard to Add a Column in the Middle of a PostgreSQL Table | Bytebase
PostgreSQL has no ADD COLUMN ... AFTER. The reason one little number in a system catalog turned a "simple" feature into a decade-long engineering saga, and what you can do about it today.
malisper/pgrust: Postgres rewritten in Rust, now passing 100% of the Postgres regression tests
Postgres rewritten in Rust, now passing 100% of the Postgres regression tests - malisper/pgrust
pgvector/pgvector: Open-source vector similarity search for Postgres
Open-source vector similarity search for Postgres. Contribute to pgvector/pgvector development by creating an account on GitHub.
CircleCI CLI
The CircleCI CLI brings pipelines, workflows, jobs, and artifacts to your terminal — scriptable, JSON-friendly, and built for CI.
thoughtbot/roux: A boilerplate of pre-defined native CSS styling
A boilerplate of pre-defined native CSS styling. Contribute to thoughtbot/roux development by creating an account on GitHub.
The Pulse: a new trend, smart model routing
Are there any ‘intelligent’ router solutions out there which select the right model for the right task? I looked into it, and there are a few options.
chunkhound/chunkhound: Local first codebase intelligence
Local first codebase intelligence. Contribute to chunkhound/chunkhound development by creating an account on GitHub.
Hypabolic/Hypa
Hypa is a local context runtime for agentic development. It runs shell commands, compresses noisy output before it reaches an agent context window, and records local evidence about what happened.
omp — a coding agent with the IDE wired in
Subagents, plan mode, LSP, DAP, hindsight memory, hashline edits, time-traveling rules — with a native Rust engine doing the heavy lifting.
abhixdd/ghgrab: A simple, pretty terminal tool that lets you browse and download files from GitHub, GitLab, Codeberg, Gitea, and Forgejo without leaving your CLI.
A simple, pretty terminal tool that lets you browse and download files from GitHub, GitLab, Codeberg, Gitea, and Forgejo without leaving your CLI. - abhixdd/ghgrab
dungngminh/simutil: It's not just a cross-platform TUI app that quickly opens Android & iOS emulators/simulators
It's not just a cross-platform TUI app that quickly opens Android & iOS emulators/simulators - dungngminh/simutil
Securing Heroku CLI Credentials with System Keychain Storage
Heroku CLI v11.8.0 defaults to storing credentials in your system keychain, while keeping developer workflows intact. Learn more.
workweave/router: Model router for agentic systems. Routes every prompt to the right model in 50ms. Cut costs 40-70% with just an endpoint change.
Model router for agentic systems. Routes every prompt to the right model in 50ms. Cut costs 40-70% with just an endpoint change. - workweave/router
Run any Dockerfile on Vercel
Vercel now runs any HTTP server straight from a Dockerfile. Bring a Rails, Django, Spring Boot, or Go app and Vercel builds, deploys, autoscales, and runs it on Fluid compute with Active CPU pricing.
On the ‹dl›
The semantics you didn’t know you needed.
Gondolin Documentation - Gondolin
aribuga/obsidian-belki-tasks: A minimal Todoist-like task manager using local Markdown files.
A minimal Todoist-like task manager using local Markdown files. - aribuga/obsidian-belki-tasks
mondaycom/HATCHA: CAPTCHA proves you're human. HATCHA proves you're not.
CAPTCHA proves you're human. HATCHA proves you're not. - mondaycom/HATCHA
Lance / LanceDBとは何か - Bering Note – formerly 流沙河鎮
マルチモーダルAI向けデータフォーマットLanceの仕様を、ファイルフォーマット・テーブルフォーマット・インデックス・カタログの各層にわたって解説します。 Parquet/Icebergとの設計上の違い、ランダムアクセス最適化の仕組み、ベクトル検索インデックスの物理構造、実際のディレクトリ構造の観察、Icebergとの…