El Bruno

Tag: English Post

Vision Memory Agent: local image search with CLIP + Ollama + Microsoft Agent Framework

Hi! This post walks through a tiny but powerful scenario: ingest images locally, search them with natural language, and let an agent decide when to call tools. Everything runs on your machine, and it’s an simple example of how to use Microsoft Agent Framework with local embeddings. We’ll use: Repo sample: https://github.com/elbruno/elbruno.localembeddings/tree/main/samples/VisionMemoryAgentSample Why this scenario You give… — read more

Feb 20, 2026
🖼️ Local Image Embeddings in .NET — CLIP + ONNX

Hi 👋 If you’ve used ElBruno.LocalEmbeddings for text embeddings, you’re going to love the new image capabilities. I asked several friends about this, and they challenge me to give it a try, so here it is: ElBruno.LocalEmbeddings.ImageEmbeddings a library brings CLIP-based multimodal embeddings to .NET — fully local. It is powered by ONNX Runtime, and ready for image search and image RAG workflows. In… — read more

Feb 16, 2026
🧠 Building RAG in .NET with Local Embeddings — 3 Approaches, Zero Cloud Calls

Hi! 👋 One of the questions I get most often is: “Bruno, can I build a RAG (Retrieval-Augmented Generation) app in .NET without sending my data to the cloud?” The answer is a resounding YES. 🚀 In this post, I’ll walk you through three different ways to build RAG applications using ElBruno.LocalEmbeddings — a .NET library that generates text embeddings locally using ONNX… — read more

Feb 14, 2026
Local Embeddings in .NET — The Easy Way

Hi! If you’re running local LLMs using: At some point you’ll want to experiment with RAG. And that means one thing: 👉 You need embeddings. During production, you’ll probably rely on managed services and vector databases.But during experimentation? You just want something simple. That’s why I created: 📦 ElBruno.LocalEmbeddingsNuGet: https://www.nuget.org/packages/ElBruno.LocalEmbeddingsRepo: https://github.com/elbruno/elbruno.localembeddings/ It allows you to… — read more

Feb 13, 2026
Building GitHub Copilot Agents in C# with Microsoft Agent Framework

GitHub Copilot just crossed a very interesting line. It’s no longer “just” helping you write code — it can now run as an agent, with goals, tools, and autonomy, using Microsoft Agent Framework (MAF). 🎥 Watch the full video here: In the video, I walk through three simple C# samples showing how Copilot can be… — read more

Feb 9, 2026
🤖 Never Lose Your AI Agent’s Train of Thought

Persisting Microsoft Agent Framework Sessions with ASP.NET, Redis & Blazor Have you ever built a chat app where the AI forgets what you said five seconds ago? 😅That’s the classic stateless API problem — and today we’re fixing that in .NET using the Microsoft Agent Framework (MAF + Ollama), persistent agent sessions (Redis), and a Blazor frontend so you can see… — read more

Feb 3, 2026
Building an MCP App with C# – A Color Picker Sample

Hi! I’ve been spending some airport time playing with MCP Apps, and one question kept coming back: Can we build a real, interactive UI for MCP tools… using just C#? Short answer: yes.Long answer: let’s build one. In this post, we’ll create a Color Picker MCP App using ASP.NET Core + Model Context Protocol, where:… — read more

Jan 28, 2026
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

Jan 26, 2026
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

Jan 19, 2026
Trick to fix DevUI Workflow Errors in Microsoft Agent Framework

Hi! How a Missing Workflow Name Breaks DevUI (and How to Fix It) When working with Microsoft Agent Framework and DevUI, I ran into a subtle but very frustrating issue: everything compiled, but DevUI failed at runtime. No workflows visible.No clear hint in the UI.And a runtime exception that didn’t immediately point to the real… — read more

Jan 14, 2026
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

Jan 8, 2026
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

Dec 30, 2025
Microsoft AI in 2025: My Top 60 Announcements (Chronological) 📅

⚠️ This post was curated manually based on public announcements, blog posts, and official Microsoft communications from 2025. While I carefully reviewed the content, dates, and URLs, this article was assisted by AI tooling — and, well, AI is still AI 🤖. There may be occasional inaccuracies, outdated links, or missing context. If you spot… — read more

Dec 29, 2025
You Don’t Need AI Everywhere (And That’s a Good Thing)

End-of-year reflection noteAs the year wraps up and we all start thinking about what we built, what worked, and what didn’t, I’ve been reflecting on something I’ve seen a lot lately: AI being added everywhere… sometimes without a real reason. AI is powerful. I use it daily. But that doesn’t mean it should be the… — read more

Dec 22, 2025
🤖 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

Dec 18, 2025
What Building AI Agents in .NET Taught Me in 2025

Hi! In 2025, I built more AI agents in .NET than I expected. Some were demos.Some were prototypes.Some (few) actually made it to production. And while models kept getting better every month, the hardest problems I ran into had very little to do with AI itself. They were engineering problems. Here are a few lessons… — read more

Dec 14, 2025
Claude in Azure with .NET – Anthropic Claude + Microsoft Extensions.AI (MEAI) 💥

Hi👋Great news for .NET developers: Anthropic’s Claude models (Claude Sonnet 4.5, Haiku 4.5, Opus 4.1) are now available in Microsoft Foundry (public preview anthropic.com). This makes Azure the only cloud platform providing access to both OpenAI’s GPT and Anthropic’s Claude frontier models side-by-side (azure.microsoft.com). In practical terms, you can deploy a Claude model to your… — read more

Dec 4, 2025
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

Dec 1, 2025
💭Claude in Azure, the .NET Way: elbruno.Extensions.AI.Claude v0.1.0-preview.2

elbruno.Extensions.AI.Claude just landed on NuGet with dual authentication support, polished samples, and drop-in compatibility with Microsoft.Extensions.AI. Here’s a fast tour so you can start shipping Azure+Claude powered experiences immediately. Highlights Install Once Sample 1 Default Azure Credentials Keep secrets in Azure and let DefaultAzureCredential figure out the right token. Minimal config: Sample 2 API Key Mode Need to run… — read more

Nov 21, 2025
Using Claude Models in Microsoft Foundry with Microsoft.Extensions.AI (temp fix 😏)

Hi! This post demonstrates how to use Anthropic’s Claude models deployed in Microsoft Foundry with the Microsoft.Extensions.AI (MEAI) framework. Since official SDK support for Claude models in MEAI is not yet available, this sample shows a practical approach to bridge the gap between OpenAI’s API format (used by MEAI) and Claude’s native Anthropic API format.… — read more

Nov 20, 2025