Skills for Real Engineers. Straight from my .agents directory.

PhotoCraft: An open-source, photo editor written by scratch in pure Rust

High-performance engine for capturing, modifying, and converting DOM elements into any format.

PX4 Autopilot Software

Score any site's agent readiness from your terminal or CI. The open-source CLI for ora.

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

The open-source app everyone uses to manage agents at work

A hand-picked collection of the finest of resources for the most awesome of agents, Claude Code, the undisputed champion of coding companions, from the unstoppable team at Anthropic PBC (no affilia…

Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.

AI Agent Evaluator & Red Team Platform

A modern JavaScript utility library that's 2-3 times faster and up to 97% smaller, a major upgrade to lodash.

Track your remaining Cursor fast-premium requests directly in your Cursor's status bar

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Enable AI agents to work reliably - giving them secure access to structured data, tools to take action, and the context needed to make smart decisions.

UI over MCP. Create next-gen UI experiences with the protocol and SDK!

GitHub's official MCP Server

Dynamic Grid is a flexible and customizable grid component for web applications.

Side projects and things I do in my free time

Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.

GitHub Code Owners Filter is a browser extension that enhances the GitHub pull request interface by adding file filtering capabilities based on code ownership information.

Metadata parser for audio and video media files. Supports file and stream inputs in Node.js and browser environments, extracting format, tag, and duration information.

The library used by Preply to measure the impact of the Design System in production (think of RUM for design systems).

A component toolkit for creating live-running code editing experiences, using the power of CodeSandbox.

🦋 A tool to manage versioning and changelogs with a focus on monorepos

🔊 Text-Prompted Generative Audio Model

A JavaScript codemod toolkit.

A music theory library for Javascript

Fast Rust bundler for JavaScript/TypeScript with Rollup-compatible API.

Storybook plugin to enable a playground

🌲 Evergreen React UI Framework by Segment