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Building a 3.6GB .NET Audio Joiner with GitHub Copilot CLI 🎧🤖
Hi! Sometimes you don’t need a framework, a service, or a startup idea.You just need a small tool that actually works. In my latest video, I put GitHub Copilot CLI to work building a .NET console app that merges 65 MP3 files into a single 3.6GB audio file. No fluff, no fake demo — a… — read more
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GitHub Copilot SDK: Build AI into Your Apps (Fast Overview)
Hi 👋 While exploring recent updates around the GitHub Copilot CLI, inspired by posts and demos from Scott Hanselman, I stumbled upon something even more interesting: the GitHub Copilot SDK. This SDK opens the door to embedding GitHub Copilot directly into your own applications, not just your editor or terminal. Even better: it supports multiple… — read more
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Fixing OllamaSharp Timeouts in C# (with a Simple Extension and just for fun 😄)
Hi! Avoid reading the blog post with this 5-min video: When working with local models in OllamaSharp, I hit a timeout while running long-running workloads like video analysis. The issue wasn’t the model, it was the default 100-second timeout coming from HttpClient. The problem By default, OllamaSharp uses an HttpClient with a fixed timeout.If your… — read more
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Building Multi-Agent Workflows in .NET with AgentFactory and Handoff
🎥 Video coming soon!I’m preparing a short walkthrough video where I’ll run this sample live, explain the design decisions, and show how everything fits together step by step. But hey, it’s christmas time, so I’m taking this easy 😉 When building AI-powered applications, the moment you move beyond a single “chatbot”, things get interesting very… — read more
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🤖 Local AI Power: Vision and Function Calling with Microsoft Agent Framework and Ollama
Hola friends! One of the questions I get most often lately is: “Bruno, can I run a full-featured agent locally without sending everything to the cloud?” The answer is a resounding YES. 🚀 Today, I want to show you how to use the new Microsoft Agent Framework to build a local agent that doesn’t just… — read more
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Introducing the Microsoft Agent Framework – A Dev-Friendly Recap
Hi there! 👋 If you’ve been keeping an eye on the AI developer world, you might have heard about the Microsoft Agent Framework. This is a brand-new (as of late 2025) open-source SDK and runtime from Microsoft that makes it much easier to build and orchestrate AI agents – including scenarios with multiple agents working… — read more
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🚀 AG-UI + Agent Framework + .NET + Aspire: Web-Enabling Your Intelligent Agents (Blog + Demo + Code!)
📺 VIDEO COMING SOON — stay tuned!(I’ll embed the YouTube player here as soon as the video goes live.) Hola friends! Bruno here 🙋♂️ — Cloud Advocate at Microsoft, lover of .NET, AI, Blazor, and the occasional dog-walk debugging session with ACE 🐶. Today we’re diving into something very cool for .NET AI developers:👉 How… — read more
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🚀 Supercharging .NET Apps with DevUI and the New Microsoft Agent Framework
Hi! If you’re building intelligent applications in .NET, the new Microsoft Agent Framework opens the door to agent-based architectures, message-driven reasoning, and multi-agent collaboration. But one of the most powerful pieces of the ecosystem is DevUI—a visual debugging and tracing experience to see your agents think. In my latest video, I break down how DevUI… — read more
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🧠 Build an Agent Chat that Remembers — Persisting Conversations with Microsoft Agent Framework
Hi! Have you ever built a chat app where your AI completely forgets what you said five seconds ago? 😅That’s where persisted threads come in. In this post, we’ll explore how the new Microsoft Agent Framework for .NET lets you create agents that remember — across multiple interactions, sessions, or even app restarts. And yes,… — read more
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From PDFs to Markdown in Seconds: FastAPI + MarkItDown + .NET (in Docker)
Hi! f you work with LLMs, you want structured text—not mystery meat. Here’s a tiny FastAPI service that wraps Microsoft’s MarkItDown to convert PDFs, Word, PPTs, and more into clean Markdown. We’ll run it in Docker and drive it with a C# console app. Watch the video here: Repo & Upstream Prereqs Run the Server… — read more
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🧠 Create an AI Chat App in Seconds with RAG + Image Generation (using .NET & MCP)
Hi! If you’re a .NET developer and you want to quickly build an AI-powered chat application with Retrieval-Augmented Generation (RAG) and Image Generation capabilities — this guide is for you! In less than 10 minutes, and using free services, you’ll be up and running using: 🚀 .NET AI Templates🧠 Model Catalog Protocol (MCP) via Hugging… — read more
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Upgrading eShopLite to Aspire 9.4 and GPT-5 with Azure AI Foundry
🚀 Just upgraded eShopLite to Aspire 9.4 and the latest GPT-5 models! ✅ Simple model swap: gpt-4.1-mini → gpt-5-mini ✅ New Azure AI Foundry integration = cleaner code & easier deployments ✅ Smarter, faster, and fully Azure-ready — read more
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GPU vs CPU – Local Image Generation in C# with TransformersSharp
⚠️ This blog post was created with the help of AI tools. Yes, I used a bit of magic from language models to organize my thoughts and automate the boring parts, but the geeky fun and the 🤖 in C# are 100% mine. Hi! Quick 5 min video recap here, so you can avoid the… — read more
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🖼️ Text-to-Image locally in C# with TransformerSharp
⚠️ Disclaimer: This blog post was created with the help of AI tools — because we like to code and let our machine friends do some heavy lifting. Hi! In this post, we’ll explore how to use TransformerSharp to bring Hugging Face models directly into a C# console application — no Python required. We’ll generate… — read more
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Build an AI Chat in .NET Aspire with Ollama. Quickstart Guide!
Hi! Here is a small intro to the .NET Aspire + Ollama scenario in this repo: https://aka.ms/netaiaspireollamachat. You can also learn more about this, in this 5-minutes overview video: Introduction to .NET Aspire and Ollama Have you ever thought, “Why can’t my .NET app have an AI chatbot that’s ridiculously easy to integrate?” Well, meet… — read more
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#PowerPoint – Add Stock Videos to create amazing slides 🎥
Hi ! I’ve been doing this for a while, and hey, a couple of days ago someone ask how to create a cool slide like this. Super easy. Open the menu [Insert / Video / from Stock]. Then select a video. Bonus here to filter and look for a video that can be used as… — read more
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#OpenCV – Convert camera feed 🎦 to Grayscale and resalt Blue 🔵 and Red ❤️
Hi ! A new twist on these days demos, this time: Open a camera feed Convert each frame to grayscale Use a hue mask to resalt colors, Blue and Red Here is a live sample from my office. Note: I created a mask that identifies the Captain America shield, SpyderGwen poster and Ahsoka frame, but… — read more
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#OpenCV – Replace background with video in camera feed 🎦 (Black Adam ⚡)
Hi ! A new twist on these days demos, based on a request from an online friend. Let’s remove and replace the background from our camera feed using a video. For this demo, I’m using the “Black Adam – Official Trailer 1“. And the output is kind of funny. Hey, funny scenario, and if you… — read more
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#Python 🐍 – Export Video Frames as Images from a video file 🎥
Hi ! I can’t believe I didn’t write about this before. I usually do this, at least 2 times per month, and hey, now it’s on the blog for my future reference. Simple Scenario: Open a video file and export each frame as an image. Some notes: The sample uses OpenCV. I wrote a lot… — read more
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El Bruno 