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Posts by Yohan Lasorsa

Interesting read on MCP Apps + Azure Functions (TypeScript).

Clear quickstart for MCP tools, interactive UI resources, local testing, and azd deployment. Great reference if you're building AI app workflows:
devblogs.microsoft.com/azure-sdk/mc...

2 days ago 0 0 0 0

Replacing gmailify: 3 days configuring existing tools, 30 minutes coding my own.

Every AI I tried hallucinated Docker images that didn't exist... So I built imapforward, a tiny Go forwarder running on my Synology NAS.

sinedied.github.io/blog/gmailify/

1 week ago 0 0 0 0

The Drasi team used GitHub Copilot CLI as a synthetic user to automatically test their tutorials, and found 18 real doc bugs. Treating doc testing as a monitoring problem is such a smart move 🧠

opensource.microsoft.com/blog/2026/04...

1 week ago 3 2 0 0

🚨 Heads up: axios 1.14.1 and 0.30.4 have been compromised. If you use axios, check your projects ASAP!

Here's a script to scan all your repos:
gist.github.com/sinedied/5de...

3 weeks ago 0 0 0 0
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Picking the perfect beer for your burger from 1000+ options? Vector search alone won't cut it.

At CosmosDB Conf 2026, I'll build an agentic RAG system with hybrid search, LangChain.js & MCP. Come hang out! πŸ”πŸΊ

4 weeks ago 0 0 0 0

A Friend did the same remark, I'll see what I can do to load an example set!

1 month ago 1 0 0 0
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Elektron added sampling to the Syntakt, so I did what any dev would do: built a sample manager for it πŸ˜„
Drag & drop, loop editing, LOFI mode, dual samples and more - all in a single HTML file!
sinedied.github.io/sympakt/

1 month ago 2 0 1 0
AI did this β€” Yohan Lasorsa Inaugural blog post β€” thoughts on finally having my own space, and how AI coding agents changed everything.

After 18 years without a personal website (last one was from my student days πŸ˜…), I finally have my own corner of the internet. Blog, projects, all built in 2 days with AI coding agents, without writing a single line of code. First blog: thoughts on this shift.

πŸ‘‰ sinedied.github.io/blog/ai-did-...

1 month ago 3 0 2 0
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Azure Cosmos DB TV - From Burger to Bots: Agentic Apps with Cosmos DB and LangChain.js | Ep. 111
Azure Cosmos DB TV - From Burger to Bots: Agentic Apps with Cosmos DB and LangChain.js | Ep. 111 On this episode of Azure Cosmos DB TV, host Mark Brown is joined by Yohan Lasorsa to explore how you can build modern, agent-powered applications on a fully serverless foundation. This session looks…

Just dropped a new episode on Azure Cosmos DB TV! Showing how to build AI agents on serverless with LangChain.js, MCP, and Cosmos DB. From burgers to bots πŸ”πŸ€–

www.youtube.com/watch?v=7faP...

2 months ago 0 0 0 0

Yesterday I tried a 7yo Java project to convert old data. Spent 40m installing runtimes, java fx, going from one error to a new one, even tried using Copilot to update code/deps, nothing worked.

Then I asked Copilot to rewrite it in Node.js, took 5m and it worked on first try πŸ˜…

3 months ago 0 0 0 0

If you missed our LangChain event, you can find the videos and all resources (demos, slides, links) in this repo πŸ‘‰ aka.ms/oss-ai-summit

4 months ago 1 0 0 0

Even better after a quick update, only 1 step needed πŸš€

4 months ago 0 0 0 0
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Host Your Node.js MCP Server on Azure Functions in 3 Simple Steps - Microsoft for Developers Building AI agents with the Model Context Protocol (MCP) is powerful, but when it comes to hosting your MCP server in production, you need a solution that’s reliable, scalable, and cost-effective.…

Just published a quick guide on hosting your Node.js MCP server on Azure Functions.
Only 3 steps to get you up and running with serverless scaling! πŸ› οΈ

Take a look and let me know how you like serverless hosting for your servers using Node.js + Anthropic SDK.

developer.microsoft.com/blog/host-yo...

4 months ago 2 1 1 0
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OSS AI Summit: Building with LangChain | Microsoft Reactor Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!

Join us on Dec. 10 for the OSS AI Summit!
We’ll explore #LangChain, how it powers AI apps with agents & tools in Python + JS. Plus live demos and a Q&A with the LangChain team. Friendly, technical, no fluff. See you there! πŸ‘‹
developer.microsoft.com/en-us/reacto...

4 months ago 2 1 0 1
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OSS AI Summit: Building with LangChain | Microsoft Reactor Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!

Love OSS as much as we do? Join the OSS AI Summit: Building on LangChain event on Dec 10th!

You'll see real-world agent workflows powered by LangChain and MCP, get your questions answered live, and use VS Code along the way.

πŸ”— Register now: aka.ms/OSSAISummitR...

4 months ago 7 2 0 0
LangChain v1: What JS and Python developers need to know
LangChain v1: What JS and Python developers need to know YouTube video by Microsoft Reactor

Missed our LangChain v1 livestream with @marlene.bsky.social ? Replay is live!

We cover what’s new for JS & Python devs with lots of code examples and practical tips. Catch up here: www.youtube.com/watch?v=slJl... #LangChain #JavaScript #Python

5 months ago 1 0 0 0
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GitHub - Azure-Samples/mcp-agent-langchainjs: Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to order burgers from a burger restaurant Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to order burgers from a burger restaurant - Azure-Samples/mcp-agent-langchainjs

Congrats @langchain.bsky.social team on the v1 release! πŸŽ‰

I'm happy to join the celebration with this new serverless Node.js agent built with LangChain.js v1 + MCP tools:
πŸ” Interacts with a burger API
πŸ” Streams traces to a web UI
☁️ Deploys with azd up

Repo: aka.ms/mcp-burger

6 months ago 3 3 0 0
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Spec-driven development with AI: Get started with a new open source toolkit Developers can use their AI tool of choice for spec-driven development with this open source toolkit.

Spec Kit shifts workflows from code-first to intent-first: an evolving spec drives plan, tasks, implementation so agents (Copilot, Claude, Gemini) stay aligned. Clear checkpoints, less guesswork. Worth a read: github.blog/ai-and-ml/ge...

7 months ago 1 0 0 0
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Rejoignez-nous Γ  Paris le jeudi 18 septembre pour un atelier pratique sur VS Code et GitHub Copilot!

On parlera astuces, workflows et autres Γ©changes entre devs, tous niveaux bienvenus.

Inscription : luma.com/nwzb0m39
#DevDays #VSCode #AI

7 months ago 2 0 0 0
A thumbnail with a dark background and a screenshot of VS Code that reads "VS Code Dev Days Join our series of in-person community events aka.ms/VSCode/DevDays" with a VS Code and GitHub Copilot logo

A thumbnail with a dark background and a screenshot of VS Code that reads "VS Code Dev Days Join our series of in-person community events aka.ms/VSCode/DevDays" with a VS Code and GitHub Copilot logo

We're so excited to bring you VS Code Dev Days - a global community initiative to explore the AI capabilities within VS Code!

With more than 60 worldwide, in-person events and 4 special virtual editions, there's an event for you. Learn more: aka.ms/VSCode/DevDa...

7 months ago 19 9 2 2
Screenshot of a GitHub Codespaces VS Code interface showing a README.md file for codespaces-llm repository. The file describes a GitHub Codespaces environment with LLM, Python 3.13, uv and the GitHub Copilot VS Code extension. It has a "Launch Codespace" button. Below shows a terminal tab with the command "llm 'Fun facts about pelicans'" which has generated output listing 5 pelican facts: 1. **Huge Beaks:** about their enormous beaks and throat pouches for scooping fish and water, some over a foot long; 2. **Fishing Technique:** about working together to herd fish into shallow water; 3. **Great Fliers:** about being strong fliers that migrate great distances and soar on thermals; 4. **Buoyant Bodies:** about having air sacs beneath skin and bones making them extra buoyant; 5. **Dive Bombing:** about Brown Pelicans diving dramatically from air into water to catch fish.

Screenshot of a GitHub Codespaces VS Code interface showing a README.md file for codespaces-llm repository. The file describes a GitHub Codespaces environment with LLM, Python 3.13, uv and the GitHub Copilot VS Code extension. It has a "Launch Codespace" button. Below shows a terminal tab with the command "llm 'Fun facts about pelicans'" which has generated output listing 5 pelican facts: 1. **Huge Beaks:** about their enormous beaks and throat pouches for scooping fish and water, some over a foot long; 2. **Fishing Technique:** about working together to herd fish into shallow water; 3. **Great Fliers:** about being strong fliers that migrate great distances and soar on thermals; 4. **Buoyant Bodies:** about having air sacs beneath skin and bones making them extra buoyant; 5. **Dive Bombing:** about Brown Pelicans diving dramatically from air into water to catch fish.

GitHub Codespaces provides a free web-based development environment backed by a Linux container... and it turns out it also includes a GITHUB_TOKEN environment variable that provides free API access to the GitHub Models collection of LLMs

... here it's running my LLM CLI utility

8 months ago 149 23 4 1
A thumbnail with a dark background and the VS Code logo that reads "What's new in Visual Studio Code July Update 1.103, Use GPT-5 in chat, chat checkpoints to restore previous states, a revamped tool picker interface, support for more than 128 tools per agent request, automatic startup for MCP servers, enhanced terminal command approvals, Git worktree support for checking out multiple branches, fast code search for Azure DevOps repositories, a customizable language model selector, and a dedicated view for managing coding agent chat sessions".

A thumbnail with a dark background and the VS Code logo that reads "What's new in Visual Studio Code July Update 1.103, Use GPT-5 in chat, chat checkpoints to restore previous states, a revamped tool picker interface, support for more than 128 tools per agent request, automatic startup for MCP servers, enhanced terminal command approvals, Git worktree support for checking out multiple branches, fast code search for Azure DevOps repositories, a customizable language model selector, and a dedicated view for managing coding agent chat sessions".

v1.103 of VS Code is here! Check out what's new:

πŸš€ GPT-5 rolling out to VS Code today
πŸ› οΈ Enable more than 128 MCP tools with virtual tools
βœ… Chat checkpoints
🌳 Git worktree support

…and much more: aka.ms/VSCodeRelease

Here are some of the highlights 🧡

8 months ago 31 11 1 2
Video

πŸ“’ New @vscode.dev extension: unique workspace colors & Philips Hue light sync for your coding mood. Built in days thanks to GitHub Copilot!

AI color suggestions & Peacock extension support included.
Try it if you love hacking your workflow!

marketplace.visualstudio.com/items?itemNa...

8 months ago 1 0 0 0
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GitHub - sinedied/run-on-output: Execute tasks when CLI output patterns are detected Execute tasks when CLI output patterns are detected - sinedied/run-on-output

Need to monitor CLI output and automate actions when specific patterns appear?

Check out my new tool: run-on-output!
Born from a hallucinated package name, now it’s real πŸŽ‰

github.com/sinedied/run...

9 months ago 2 0 0 0
A thumbnail with a dark background and the VS Code logo that reads "What’s new in Visual Studio Code June Update 1.102, featuring open source Copilot Chat, custom instructions, chat modes, auto-approve terminal commands, MCP GA, unified MCP view, middle-click scroll, and background task handling."

A thumbnail with a dark background and the VS Code logo that reads "What’s new in Visual Studio Code June Update 1.102, featuring open source Copilot Chat, custom instructions, chat modes, auto-approve terminal commands, MCP GA, unified MCP view, middle-click scroll, and background task handling."


πŸš€ v1.102 of VS Code is here! Check out what’s new:

- MCP is GA with GitHub policy support
- GitHub Copilot Chat is open source
- Use custom modes for tailored chat
- Background task management with Copilot coding agent

…and so much more: aka.ms/VSCodeRelease

🧢 Here are some of the highlights…

9 months ago 59 12 1 6
Video

VS Code: the open source AI editor. Starting today.

9 months ago 47 17 3 5
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Announcing General Availability of GitHub Copilot for Azureβ€”Now with Agent Mode | All things Azure Unlocking a New DevOps Era GitHub Copilot for Azure was first introduced at Ignite 2024 as a public preview, empowering developers, IT operators, and

🧠 GitHub Copilot for Azure is now GA β€” and it comes with Agent Mode.

You can now:
- Ask natural questions about your infra
- Deploy apps w/ AI help
- Learn Azure by doing, not reading

Try it now & see what it thinks you want to do πŸ‘‰ aka.ms/GitHubCopilo...

10 months ago 0 0 0 0
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AI June Jams with JavaScript at the JS AI Build-a-thon banner

AI June Jams with JavaScript at the JS AI Build-a-thon banner

Are you ready .. teaser

Are you ready .. teaser

🚨 New program loading ...🚨

Join the JS AI Build-a-thon (from June 9 - June 30) to kick start your transition from dev to AI engineer! πŸ’»

πŸ› οΈ Build local AI prototypes
☁️ Deploy to #AIFoundry
πŸ€– Create AI agents & MCP servers
πŸ‘¨β€πŸ’» Join a #studyjam near you

Register πŸ‘‰πŸ½ aka.ms/JSAIBuild-a-...

10 months ago 2 3 0 0
A thumbnail that reads "Your open source AI editor Powered by GitHub Copilot" with the VS Code logo and a blue gradient background

A thumbnail that reads "Your open source AI editor Powered by GitHub Copilot" with the VS Code logo and a blue gradient background

Today, we're announcing plans to make VS Code an open source AI editor.

We believe AI development should stay true to VS Code's core principles: open, collaborative, and community-driven. Let's build the future of software development together.

aka.ms/open-source-...

11 months ago 123 54 13 12

This one would make a cool t-shirt πŸ˜ƒ

10 months ago 0 0 1 0