📦 builderio/skills

Skills for Coding Agents

Skills is the toolkit that gives your AI coding agents real professional discipline. Instead of letting an AI guess or hallucinate outdated code patterns, this project equips them with specific, composable behaviors. The standout feature is the visual recap system, which turns messy code diffs into clear, interactive diagrams so you can actually understand the architecture changes before you merge. It also includes practical safeguards like checking official documentation before coding to prevent errors, and auditing one agent's work to ensure it actually finished the job. If you are using AI to write code, this collection turns unpredictable chat outputs into a reliable, review-friendly engineering workflow that you can trust.

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📦 galaxywalk/wave2body

Wave2Body: Seeing People Through Radar

Wave2Body lets you figure out exactly where a human’s limbs are in three dimensions using nothing but invisible millimeter wave radar signals. Instead of trying to guess coordinates from scratch, it learns to translate raw radar data into distinct body part tokens. This approach turns a complex math problem into a translation task, making the system significantly faster and more memory efficient. It’s a clever way to track movement without cameras, which is huge for privacy-friendly robotics. If you like smart hardware hacks, this repo is a must see.

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📦 trungdq88/mechanical-deployables-treejs

Mechanical Deployables

This repository lets you build 3D machines that rise from the earth, assembling part by part like heavy industrial machinery. It solves the common animation problem where objects just pop into existence, instead forcing every piece to telescope, hinge, or screw out of solid ground with realistic physics. The most fascinating feature is the destruction mode, where the entire structure collapses under gravity into a scattered wreck, proving the physics are real. You get eleven distinct models, from a simple watchtower to a massive colossus, all running smoothly in your browser.

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📦 tencent/ui-mate

Show It Once, Then Let It Work

Watch UI-Mate watch a human finish a complex desktop task once, then watch it adapt that workflow to do something slightly different without failing. Tencent built this AI to look at your live screen and click through apps just like you, but the real trick is learning from a single recorded example. Instead of needing a perfect text description for every job, you show it the workflow, and it figures out how to apply those steps to new situations. It’s not just replaying clicks; it’s understanding the logic behind them. This is a huge step toward AI that actually works with your specific tools and files.

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📦 spielewoy/autoprompt-skill

Autoprompt cuts AI coding errors by 45%

Autoprompt is a coding-agent skill that reduces failures by forty-five percent on agentic coding tasks. When you give an AI assistant a complex coding goal, Autoprompt takes over the execution loop. It breaks the job down, manages parallel work, and has independent agents review and verify the code before you sign off. The result is fewer mistakes and less back-and-forth. You still set the goal and constraints, but you don't have to prompt every step. It works with major AI coding tools like Claude Code and OpenCode. The trade-off is it takes about three times longer and uses twice the tokens, but for critical builds, that reliability is worth it.

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📦 denissergeevitch/desktop-fly

DesktopFly: A Virtual Fruit Fly With Real Neurons

DesktopFly is the desktop companion that puts a real brain on a tiny virtual insect. This project renders a 3D fruit fly on your Mac, but its decisions come from a live simulation of actual neural wiring found in real fruit flies. Instead of simple code that says if you click, it runs, the fly uses a circuit of real neurons to decide its moves. The coolest part is the escape reflex: when your mouse moves toward it, the fly’s brain actually processes the threat, and only takes off if its specific escape neurons fire.

📰 https://news.ycombinator.com/item?id=49353221

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📦 drozbay/maskvidexperiments

Fixing Video AI Jitter with MaskVidExperiments

MaskVidExperiments stops video AI from seeing shaky crops. When you zoom into a moving subject, the frame usually jumps around, tricking the model into thinking the camera is moving. This tool holds the crop steady, ignoring flickers so the AI only sees real motion. It then pastes the result back without any visible seams or jitter. If you work with video models, this is the fix for that annoying shake.

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📦 floe-labs/floe-guard

How Floe Guard Stops Runaway AI Costs

Floe Guard is the budget gate that stops your AI voice agents before they burn through your money. Most cost trackers tell you what you spent after the fact, but this tool sits right in the middle of the conversation to hard stop the next turn if it would cross your ceiling. It works locally without needing a cloud account or sending data to anyone. The coolest part is that it prices the entire voice call, including speech recognition, text generation, and telephony, so you know the real cost of a single interaction.

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📦 vercel-labs/fx

The Coding Agent That Feels Like a Unix Shell

fx is the terminal coding agent that finally feels like a standard Unix shell instead of a heavy application. Built entirely in Zig, it compiles down to a tiny eight megabyte binary, which makes it insanely fast and easy to drop into other systems without bloat. It runs locally or in the cloud, works with any AI model you prefer, and stays out of your way. The real kicker is how clean the interface is; no clunky widgets, just a simple prompt where you can actually read the code changes and commands running in real time. It is open source, experimental, and built for people who love their command line.

📰 https://news.ycombinator.com/item?id=49353799

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📦 ygtq3/disk-butler

Disk Butler

Disk Butler is a tiny, two-point-four-megabyte Windows tool that scans your drive in seconds, not minutes. It reads the disk's master file table directly, so it sees every file instantly without slowing your computer. The interface uses plain language to explain what each folder is and whether it is safe to delete, removing the guesswork and fear from cleaning up your system. It runs entirely offline, meaning your data never leaves your machine. Instead of scary pop-ups or hidden services, it gives you clear, honest control over your digital space.

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📦 ariescar/anycreature

AnyCreature: AI-Powered 3D Beast Builder

AnyCreature is the text-to-3D pipeline that turns a simple written order into a fully animated, game-ready model. This is the creature generator that actually works, solving the nightmare of hand-sculpting every asset from scratch. Instead of downloading generic packs or wrestling with complex software, you just type a prompt like "menacing mountain giant." The system handles the heavy lifting, asking only a couple of clarifying questions before it builds the shape, colors, and animations itself. The coolest part is its strict quality control, where a separate AI agent acts as a blind judge to ensure the final model actually looks good, not just technically correct.

📰 https://news.ycombinator.com/item?id=49343561

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📦 j955229/comfyui-minimax-h3-motion-director

MiniMax H3 Motion Director: AI Video Editing Without the Mess

MiniMax H3 Motion Director is the ComfyUI node that treats AI video generation like a real editing timeline. Instead of juggling dozens of disconnected nodes, this tool lets you build a multi-segment project where each shot can use a different generation method, from text to source video. The standout feature is selective reruns; you can regenerate just the specific segments you messed up without restarting the entire sequence. This saves massive amounts of time and compute power for longer projects. With built-in continuity controls and live preview, it turns a complex workflow into a manageable production pipeline, making high-level AI video editing accessible for everyone.

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📦 liqiiiii/badwam

BadWAM: Robots Can Dream Right and Act Wrong

BadWAM exposes a hidden flaw in modern robot AI. These systems can imagine the future correctly while still moving the robot into total failure. The project uses tiny visual tricks to break the link between what a robot sees and what it does. It shows that even when the robot’s internal prediction looks perfect, its actual actions can be hijacked. This work is crucial because it proves that trusting a robot’s imagination isn’t enough for safety. It forces us to look at the real movements, not just the mental model. This is a must-see for anyone building reliable autonomous systems.

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📦 enonforetsam/fluid

Generate Entire Websites' Worth of Art in One File

Fluid lets you generate stunning, animated generative art backgrounds right in your browser, all from a single file with zero dependencies. It uses your computer's graphics card to render complex patterns like paper marbling and crystal structures, giving you a studio where you can mix layers, adjust colors, and export perfect images for social media or websites. The coolest part is that every piece you create is saved directly into the share link, so no one has to install anything to see your work.

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📦 cubecoders/jet

Jet: 3D Graphics for a Microchip

A tiny microcontroller is pulling off sixty frames per second on a real-time 3D racing game. It sounds like a magic trick, but it is actually a software project called Jet. This is a lightweight graphics engine written in modern C++ that runs entirely in software without a dedicated graphics chip. It uses integer math to draw shapes, which is exactly what a low-power chip needs to survive. You can put a smooth, textured 3D scene on a small screen attached to a basic circuit board. The code is strict about not wasting memory, so it fits into tight spaces.

📰 https://news.ycombinator.com/item?id=49360470

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📦 harvard-ai-and-robotics-lab/chordedit-reproduction

ChordEdit: One-Step Image Editing

Imagine transforming a photo in a single step. The Harvard AI and Robotics Lab has recreated a method called ChordEdit, which allows you to edit images without the usual multi-stage processing. This tool solves the problem of slow, complex editing by using a technique that moves changes through the image efficiently. You can upload a picture, describe your desired change, and see the result instantly. It is a fascinating look at how machine learning can make creative tasks fast and direct. Try it out and see how simple it can be to bring your vision to life in just one click.

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📦 simohypers/limusic

LIMUSIC: Your Ad-Free YouTube Music Player

LIMUSIC is the native desktop YouTube Music client that finally strips out the ads and the bloat. Most music apps just wrap a browser engine, which feels heavy and slow, but LIMUSIC talks directly to YouTube's internal systems using pure Rust and a lightweight framework called Tauri. It plays your tracks through a professional-grade audio engine, meaning no ads interrupt your flow and the sound is gapless with perfect loudness balance. The coolest part is how it handles lyrics; it pulls synced, word-by-word text from multiple sources so you can sing along perfectly without ever opening a webpage.

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📦 letta-ai/letta-code

letta-code: AI Agents That Actually Remember You

Build an AI agent that acts like a real person, not just a chatbot, by giving it persistent memory and a distinct identity. Letta code solves the frustrating problem of AI forgetting everything the moment you close the window. You can actually watch it learn from past conversations and adapt its behavior over time, creating a truly stateful assistant that evolves with you. This is the perfect tool if you want your AI to grow alongside your projects instead of starting from scratch every single day, making it a genuinely useful companion for developers who need consistent, long-term help.

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📦 ongridio/ongrid

Ongrid Fixes Server Crashes From Your Chat App

Ongrid acts as a smart on-call partner that diagnoses server crashes and repairs them directly from your chat app. When an alert triggers, this intelligent system digs through your network, logs, and code to pinpoint the exact root cause. Instead of just telling you what went wrong, it suggests concrete fixes you can approve with a single message. It connects to your team’s preferred messaging platform and uses your own AI models to keep everything private and accessible. You never need to hunt through dashboards or jump between tools anymore. Just ask what is broken, and it will walk you through the solution step by step.

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📦 armsx2/armsx3

Run PS3 on Your Phone

Take a PlayStation three and run it directly on your Android phone. This project is an Android port of RPCS3, built specifically for modern ARM six four processors, so the entire console runs locally on your device. It uses the latest upstream code, meaning it benefits from recent performance improvements and compatibility fixes that have been made for ARM systems. The big catch is that it is a build, not a simple download. You need to compile the core emulator yourself using the Android NDK, which is a heavy process, but once it is done, you have a powerful, self-contained setup.

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