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Show HN: TypeScript as a proof assistant for intuitionistic propositional logic https://ift.tt/U4SytNj March 31, 2025 at 11:22PM

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Show HN: I built a tool to add noise texture to your images I'm excited to introduce Noise Tools – a simple yet powerful tool that lets you effortlessly add noise textures to your images. Whether you're a designer, artist, or just experimenting with aesthetics, Noise Tools helps you enhance your visuals with just a few clicks. Why I built this? I often found myself needing high-quality noise textures for design projects but struggled to find a quick and easy solution. So, I built Noise Tools to make the process easy for everyone! Features: Generate noise textures instantly Adjust intensity & styles No downloads or complicated settings Would love to hear your thoughts! Try it out and let me know what you think. Check it out here: noisetools.vercel.app https://ift.tt/IOwzbxB March 27, 2025 at 01:12PM

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Show HN: Smart City Defender – Cyber Attack Response Game https://ift.tt/Qex6MlP March 29, 2025 at 11:43PM

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Show HN: Hexi, modern header-only network binary serialisation for C++ hackers Over the last few years, I've needed an easy way to quickly serialise and deserialise various network protocols safely and efficiently. Most of the libraries that existed at the time were either quite heavy, had less than stellar performance, or were an abstraction level above what I was looking for. I decided to put together my own class to do the job, starting with an easy, low-overhead way to move bytes in and out of arbitrary buffers. Along the way, it picked up useful bits and pieces, such as buffer structures and allocators that made the byte shuffling faster, often being able to do it with zero allocations and zero copies. Safety features came along to make sure that malicious packet data or mistakes in the code wouldn't result in segfaults or vulnerabilities. It's become useful enough to me that I've packaged it up in its own standalone library on the chance that it might be useful to...

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Show HN: A difficult game to test your logic https://ift.tt/i1q46Ge March 24, 2025 at 07:17PM

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Show HN: Debugging data, not just code: Using Claude & Cursor with Kuzu MCP https://ift.tt/CY0JNUi March 26, 2025 at 10:57PM

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Show HN: Fingernotes – handwritten notes which become their own preview image Hi HN, I've lurked here for ages and decided to come out of the shadows for my latest side project which reached the point where it’s sort of fun to use and hopefully not totally embarrassing to share. Hacking fingernotes.com together over a couple of weeks was a creative outlet when work got stressful. I think of it as digital sticky notes. The goal was to make notes with a personal touch that are easy to write and share. I also wanted them to appear as their own link preview image on supported platforms. That way when you send the link to a note, the person sees the message without following the link. Let me know what you think! I drew inspiration from Apple's quick notes: low latency made scribbling a pleasure, and sending notes to friends felt warm and original compared to a typical exchange. It was also intriguing to see my handwriting printed in a message chat. In a time of rising artificial gen...

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Show HN: NPM-Audit-to-Report https://ift.tt/2k7Sd8n March 23, 2025 at 04:34PM

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Show HN: A terminal emulator in pure PHP https://ift.tt/KGDOTfR March 21, 2025 at 11:13PM

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Show HN: AgentKit – JavaScript Alternative to OpenAI Agents SDK with Native MCP Hi HN! I’m Tony, co-founder of Inngest. I wanted to share AgentKit, our Typescript multi-agent library we’ve been cooking and testing with some early users in prod for months. Although OpenAI’s Agents SDK has been launched since, we think an Agent framework should offer more deterministic and flexible routing, work with multiple model providers, embrace MCP (for rich tooling), and support the unstoppable and growing community of TypeScript AI developers by enabling a smooth transition to production use cases. This is why we are building AgentKit, and we’re really excited about it for a few reasons: Firstly, it’s simple. We embrace KISS principles brought by Anthropic and HuggingFace by allowing you to gradually add autonomy to your AgentKit program using primitives: - Agents: LLM calls that can be combined with prompts, tools, and MCP native support. - Networks: a simple way to get Agents to collaborate wit...

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Show HN: I Built a DEX That Pays You to Take Risks – and You Can Own It Meme coins are a casino, and most DEXs just take your fees and call it a day. I flipped the script with EaglesTrader every trade you make, win or lose, gets you a cashback in SOL—real risk compensation, not just another airdrop gimmick. Here’s the kicker: ownership isn’t locked to VCs or insiders. It’s 100% public. Hold the tokens, and you earn a cut of all platform fees—proportional to your stake. No bots, no gatekeepers, just a community-owned trading engine. Built it on Solana for speed and low costs, sourcing meme coins from Pump.fun and other solana platforms to keep the chaos flowing. The tech’slive SOL cashback’s handled via smart contracts, and fee distribution’s transparent on-chain. Early users are already stacking SOL and tokens. Thoughts on this model? Is risk compensation the future of DeFi, or just a meme coin fever dream? https://ift.tt/ckfDtXQ March 19, 2025 at 11:33PM

Show HN: We built an agentic image editor that preserves the original structure Hi everyone, I’ve been experimenting with app where you can edit images in your camera roll simply by tweaking your photo’s metadata (changing location/time) and our agent will contextually regenerate the photo in that place & time in one shot. There's no prompting involved. One of the hardest problems we’ve seen with these ai image editing/creation tools is that they struggle with preserving the subjects of the original image (faces, genders, number of people, bodies, animals, etc), and I think we’ve gotten a step closer to making it feel more realistic. The gallery has some examples that people have been regenerating. https://ift.tt/Cf8EL5O Here’s a demo: https://ift.tt/golEjnW Feel free to dm me on Twitter: https://twitter.com/sakofchit if you’d like to try out the TestFlight in the meantime Would love to know what y'all think! https://ift.tt/Cf8EL5O March 19, 2025 at 11:14PM

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Show HN: Barcode Scanner to check if a product is European https://ift.tt/xptImZJ March 17, 2025 at 11:11PM

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Show HN: Cross-platform native UI library for all OS https://ift.tt/i4S0mjV March 16, 2025 at 11:19PM

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Show HN: Pi Labs – AI scoring and optimization tools for software engineers Hey HN, after years building some of the core AI and NLU systems in Google Search, we decided to leave and build outside. Our goal was to put the advanced ML and DS techniques we’ve been using in the hands of all software engineers, so that everyone can build AI and Search apps at the same level of performance and sophistication as the big labs. This was a hard technical challenge but we were very inspired by the MVC architecture for Web development. The intuition there was that when a data model changes, its view would get auto-updated. We built a similar architecture for AI. On one side is a scoring system, which encapsulates in a set of metrics what’s good about the AI application. On the other side is a set of optimizers that “compile” against this scorer - prompt optimization, data filtering, synthetic data generation, supervised learning, RL, etc. The scoring system can be calibrated using developer, user...

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Show HN: Bubbles, a vanilla JavaScript web game Hey everybody, you might remember my older game, Lander! It made a big splash on Hacker News about 2 years ago. I'm still enjoying writing games with no dependencies. I've been working on Bubbles for about 6 months and would love to see your scores. If you like it, you can build your own levels with my builder tool: https://ift.tt/Shj3qt9 and share the levels here or via Github. https://ift.tt/8Oyo7RU March 13, 2025 at 11:18PM

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Show HN: Nuanced – Help AI understand code structure, not just text Hi HN! We built Nuanced ( https://ift.tt/fBvu7zt ), an open-source Python library that makes AI coding tools smarter about code structure. The problem: current AI coding assistants see code as just text. They don't understand which functions call which, or how code components depend on each other. This is why they often suggest changes that break dependencies they should have known about. Nuanced solves this by generating call graphs that map these relationships. When you ask "What would break if I change this function?", instead of guessing, the AI can see the actual dependencies. How it works: 1. Run `nuanced init .` to analyze a Python module in your codebase 2. Use `nuanced enrich app/file.py function_name` to get relationship data 3. Include this data in your AI prompts or integrate it into tools We're already working with teams building AI coding assistants and security review tools to integrate...

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Show HN: A Multiplayer Chatbot Imagine if ChatGPT thought you should meet someone it recently spoke with. I built this simple demo that keeps messages from other users in context, so it can suggest connections and stuff. You can modify the system prompt to decide what the whole point of this is. I’m looking for ideas! https://ift.tt/cVMhwUt March 11, 2025 at 11:08PM

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Show HN: I built a Figma plugin for quick data calculations I lead design on a B2B SaaS product. It's quite data-heavy in places. Using placeholder content in data tables, checkout summaries and dashboards is a big no-no for us. It might seem like using random numbers saves time at first, but sooner or later there's documentation to write and plenty of clarifications to be made. It throws off customers during interviews – "hey, that's not really my sales target!". It confuses stakeholders at review time– "what's this data point supposed to be?" I built a Figma calculator plugin for my team so that they spend less time doing mental maths. It calculates sums, differences averages and percentages, and makes it easy to use real-looking data in designs. https://ift.tt/GDcLrwT March 10, 2025 at 07:11PM

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Show HN: Evolving Agents Framework Hey HN, I've been working on an open-source framework for creating AI agents that evolve, communicate, and collaborate to solve complex tasks. The Evolving Agents Framework allows agents to: Reuse, evolve, or create new agents dynamically based on semantic similarity Communicate and delegate tasks to other specialized agents Continuously improve by learning from past executions Define workflows in YAML, making it easy to orchestrate agent interactions Search for relevant tools and agents using OpenAI embeddings Support multiple AI frameworks (BeeAI, etc.) Current Status & Roadmap This is still a draft and a proof of concept (POC). Right now, I’m focused on validating it in real-world scenarios to refine and improve it. Next week, I'm adding a new feature to make it useful for distributed multi-agent systems. This will allow agents to work across different environments, improving scalability and coordination. Why? Most agent-based AI framew...

Show HN: Math expressions and graph traversals of the Chinese language I've been working on a free Chinese language learning tool for awhile now. The main insight is that Chinese characters are used together to form words, and that this allows for a way of quickly getting information about related words and characters. By learning words and characters in a chain in this way, I've found it easier not to get lost in the long list of characters. In addition, I've found it helpful to break down characters into their components to find pronunciation clues, which can sometimes be hidden in components of components. The math feature uses a similar tree traversal mechanism to allow expressions like 酒-氵+各 = 酪 or 亻+寸+广+仌+⺆ = 腐. As it's 2025, it also has some AI features. Notably: * allowlisted users can get Chinese or English text explanations that span more than just a word, but that integrate with the other features, like flashcard creation and in-browser text-to-speech. * file...

Show HN: Simple Certificate Decoder Tool Sometimes I need to quickly check certificates, especially key details like SANs, expiration dates, issuer info, etc. I know there are dozens (if not hundreds) of certificate decoders out there already, but I built my own—mostly for fun, but also because I prefer tools that are clean, simple, and straightforward to use. Would appreciate your feedback! https://ift.tt/vZxri9b March 8, 2025 at 11:09PM

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Show HN: DataBridge: Rule-Based Metadata Extraction, PII Redaction, and More https://ift.tt/21S6blj March 6, 2025 at 08:12PM

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Show HN: Vidformer – Drop-In Acceleration for Cv2 Video Annotation Scripts Hi HN, this is a project I've been working on as part of my PhD. Vidformer is a system that makes video annotation or transformation scripts practically instant. Traditional scripts that render full videos can take minutes—Vidformer speeds this up by optimizing execution and using on-demand rendering, so results appear immediately instead of waiting for entire videos to render. It works as a drop-in replacement for OpenCV's cv2, meaning most scripts can adopt it by simply changing "import cv2" to "import vidformer.cv2 as cv2"—no need to rewrite code or sacrifice flexibility. Vidformer is written in Rust and uses FFmpeg libraries for low-level video access. Under the hood, Vidformer runs code with symbolic references to frames and tracks frame modifications to build a declarative representation of the task. Then, when rendering, it can transparently distribute the workload across many ...

By Ana Swanson, Danielle Kaye, Jack Ewing and Rebecca Elliott from NYT En español https://ift.tt/JAwB6uQ via IFTTT

Show HN: Firebender, a simple coding agent for Android Engineers Hey HN, I made a simple coding agent plugin in Android Studio called Firebender. Here’s an unedited 5-minute video where it writes tests for an Android app and iterates against the Gradle task output on its own ( https://ift.tt/NXgKAB6 ). You can use the plugin for free, no sign up needed, on the jetbrains marketplace. The agent can edit multiple files, run gradle tasks like tests, and use the output to improve its changes. At the end, it reports a git diff of all changes that can be accepted or rejected. Under the hood, the agent relies on Claude 3.7 sonnet and a fast code apply model to speed up edits. We built tools to give deeper access throughout the IDE like IntelliJ’s graph representation of kotlin/java code, “everywhere search” for classes, and have more integrations planned. The goal is for the agent to have access to all the IDE goodies that we engineers take for granted, to improve the agent's responses and...

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Show HN: Crop images into square, circle, heart, oval for free I developed an Image Cropper, which supports cropping images into square, circle, heart, and oval shapes. It also supports customizing the width and height for arbitrary cropping, which is very simple. https://cropimage.co March 2, 2025 at 10:10PM

By David E. Sanger from NYT En español https://ift.tt/lC6ZzgK via IFTTT

Show HN: Built a "Story Chatbot Arena" to Crowdsource AI Story Preferences Hi HN, I’m a university student interested in Gen AI, and over the holidays, I built a project in public: Who Rates the Rater? – a crowdsourced dataset for benchmarking AI-generated storytelling. The Idea Inspired by Chatbot Arena, this lets users compare AI-generated stories and provide feedback. The goal is to refine LLMs for creative writing using real human preferences. How It Works - Live Demo: https://ift.tt/KpTjaAU - Tech Stack: Built with Streamlit + Supabase - Open Source: https://ift.tt/DP1df65 Get Involved - Try it & star the repo if you find it interesting - Bug reports & feature requests welcome on Twitter - Follow me for future AI & storytelling projects Would love to hear your thoughts! https://ift.tt/DP1df65 March 1, 2025 at 11:19PM

Show HN: I built an app to convert ChatGPT Deep Research to PDFs with footnotes Whilst ChatGPT Deep Research is very useful for generating in-depth reports, it's time consuming to copy, reformat the text (thousands of words) and clean referenced hyperlinks for use in a professional context. Out of frustration, I built deep research docs to help save time by automating the reformatting, cleaning links, footnote references, and conversion to shareable PDF format. Hopefully this helps you save time to focus on meaningful work. Let me know your feedback. https://ift.tt/HuZYoqL March 1, 2025 at 06:22PM