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Type-Safe Errors for JS & TypeScript
GitHub CLI for agents — designed with AXI (Agent eXperience Interface).
Design principles for agent ergonomics. Higher accuracy with lower token cost than both MCP and regular CLI.
Companion repo for my blog post https://kunchenguid.substack.com/p/how-i-built-a-reproducible-mac-setup
HTML is the new markdown. Lavish is the new editor for your HTML artifacts.
Before I go to bed, I tell my agents: good night, have fun
Manage worktrees without managing worktrees.
AI agents running research on single-GPU nanochat training automatically
Catch unsafe Prisma migrations before they run. Detects dangerous operations like dropping columns, adding indexes without CONCURRENTLY, and more. Inspired by strong_migrations for Rails.
Evaluate your LLM-powered apps with TypeScript
Reusable agent skills for Codex and compatible tools
Mutation testing for JavaScript and friends
ArchUnitTS is an architecture testing library. Specify and ensure architecture rules in your TypeScript app. Easy setup and pipeline integration.
Orchestrate sandboxed coding agents in TypeScript with sandcastle.run()
Systems design is the process of defining the architecture, modules, interfaces, and data for a system to satisfy specified requirements. Systems design could be seen as the application of systems …
Desktop app to manage markdown knowledge bases
Production-grade engineering skills for AI coding agents.
The agent that grows with you
Semantic layer for deterministic domain state
Use Codex from Claude Code to review code or delegate tasks.
macOS menu bar app for tracking Claude Code token usage and costs
The elegant bundler for libraries powered by Rolldown
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Make your agent burn tokens effectively during requested time.
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Updated Mar 4, 2026