Agent harness
Claude skills for product, growth, analytics, and engineering workflows
Production-grade engineering skills for AI coding agents.
Skills encode the workflows, quality gates, and best practices that senior engineers use when building software. These ones are packaged so AI agents follow them consistently across every phase of development.
Run a team of coding agents on your Mac.
Create parallel Codex + Claude Code agents in isolated workspaces. See at a glance what they're working on, then review and merge their changes.
A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code, OpenCode, Gemini CLI, Kilo, Codex, Copilot, Cursor, Windsurf, Antigravity, Augment, Trae, Qwen Code, Cline, and CodeBuddy.
An open source toolkit that allows you to focus on product scenarios and predictable outcomes instead of vibe coding every piece from scratch.
Typst is a new markup-based typesetting system that is designed to be as powerful as LaTeX while being much easier to learn and use. Typst has:
- Built-in markup for the most common formatting tasks
- Flexible functions for everything else
- A tightly integrated scripting system
- Math typesetting, bibliography management, and more
- Fast compile times thanks to incremental compilation
- Friendly error messages in case something goes wrong
Superpowers is a complete software development methodology for your coding agents, built on top of a set of composable skills and some initial instructions that make sure your agent uses them.
Learn the WHY behind Claude Code, not just the config
Archon is a workflow engine for AI coding agents. Define multi-step development workflows in YAML — code review, bug fixes, feature implementation, testing — and run them with a single command.
OpenShell is the safe, private runtime for autonomous AI agents. It provides sandboxed execution environments that protect your data, credentials, and infrastructure — governed by declarative YAML policies that prevent unauthorized file access, data exfiltration, and uncontrolled network activity.
A Claude Code skill/plugin and Codex plugin that makes agent talk like caveman — cutting ~75% of output tokens while keeping full technical accuracy.
Velvetyne is an association and collective dedicated to researching and disseminating typography and typeface creation.
This is a personal selection of beautiful, classy, punk, professional, incomplete, weird typefaces. Open source licenses make them free to use and modify.
An independent archive of typography.
Portless replaces port numbers with stable, named .localhost URLs for local development. For humans and agents.
Maestro is an open-source framework that makes UI and end-to-end testing for Android, iOS, and web apps simple and fast.
Write your first test in under five minutes using YAML flows and run them on any emulator, simulator, or browser.
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
In Unicode there are a lot of invisible, non-printable characters: regular white-space characters (e.g. U+0020 SPACE), language specific fillers (e.g. U+3164 HANGUL FILLER of the Korean Hangual alphabet), or special characters (e.g. U+2800 BRAILLE PATTERN BLANK). While all of these have a specific meaning in their natural context, they can be used in various applications that don't allow for regular whitespace characters.
A p5.js addon library that provides a set of wave functions (sine, cosine, and variants), with usage similar to the noise() function.