Sébastien Levert
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sebastienlevert.com
Sébastien Levert
@sebastienlevert.com
Principal PM Manager at #Microsoft focusing on Microsoft 365 Copilot developer experiences.
Reposted by Sébastien Levert
Starting today, you can have your MCP servers return interactive components ✨

That's right, you can now put full-blown UI experiences inside your chat - supported in @anthropic.com Claude and @vscode.dev (more clients soon) 🚀

Blog post: blog.modelcontextprotocol.io/posts/2026-0...
January 26, 2026 at 6:01 PM
Reposted by Sébastien Levert
VS Code just announced MCP Apps support! 🔥

Here's one I just made that visualizes git commit history. You can also multi-select commits and have Copilot generate release notes for you!

Check out how to get started with MCP Apps in VS Code here: code.visualstudio.com/blogs/2026/0... #vscode
January 26, 2026 at 9:38 PM
Introducing the Evals for Agent Interop starter kit
Introducing the Evals for Agent Interop starter kit - Microsoft 365 Developer Blog
Explore Agent365 Evals Agent Interop for realistic evaluation of AI agents across Microsoft systems and tools.
devblogs.microsoft.com
January 26, 2026 at 8:51 PM
Reposted by Sébastien Levert
Developing isn't only about writing the code, there's work context and team decisions that come with it.

Work IQ now brings this missing piece directly to GitHub Copilot, and you can leverage it all without leaving your terminal using the Copilot CLI 🔥

devblogs.microsoft.com/blog/bringin...
Bringing work context to your code in GitHub Copilot - Microsoft for Developers
This week we shipped the GitHub Copilot SDK which takes the agent loop from the Copilot CLI and makes it easy to embed in other applications. We’ve been using, improving, and extending Copilot CLI for...
devblogs.microsoft.com
January 23, 2026 at 3:35 PM
Reposted by Sébastien Levert
I asked GitHub Copilot with Work IQ to compare my PowerToys search spec in SharePoint to the implementation on the GitHub repo and it worked seamlessly.

Being able to pair work context with code in the repo using Copilot is an absolute game changer for development💥💥💥
January 23, 2026 at 7:05 PM
Copilot Studio Extension for Visual Studio Code Is Now Generally Available
Copilot Studio Extension for Visual Studio Code Is Now Generally Available - Microsoft 365 Developer Blog
Explore the Copilot Studio VS Code extension for building agents with ease. Enhance your development workflow today.
devblogs.microsoft.com
January 15, 2026 at 3:13 PM
General Availability of SharePoint Framework 1.22 – A Major Refresh of the Build & Tooling Experience
General Availability of SharePoint Framework 1.22 - A Major Refresh of the Build & Tooling Experience - Microsoft 365 Developer Blog
We are excited to announce general availability for the SharePoint Framework 1.22. This time focus is primarily on updating the build toolchain and to address npm audit issues.
devblogs.microsoft.com
December 11, 2025 at 3:13 PM
Reposted by Sébastien Levert
If your #spotifyunwrapped was also including work!

#spotify #spotifywrapped #MicrosoftTeams .
December 6, 2025 at 7:55 PM
Dev Proxy v2.0 with improved AI telemetry, and small breaking changes
Dev Proxy v2.0 with improved AI telemetry, and small breaking changes - Microsoft 365 Developer Blog
Introducing Dev Proxy v2.0 with improved AI telemetry, and small breaking changes.
devblogs.microsoft.com
December 4, 2025 at 3:13 PM
Hey @codedeploygo.live! Do we get t-shirts?
December 3, 2025 at 10:09 PM
Reposted by Sébastien Levert
Declarative Agents = JSON + YAML files = version control = actual developer workflow.

🤷‍♂️Why isn't Microsoft shouting this from the rooftops?

🗓️ Join my Dec 9 webinar for the full story.
🎟️ vtns.io/xbgqnf

#Microsoft365Copilot
November 30, 2025 at 2:04 PM
Introducing TypeSpec for Microsoft 365 Copilot – Build declarative agents faster with more confidence
Introducing TypeSpec for Microsoft 365 Copilot – Build declarative agents faster with more confidence - Microsoft 365 Developer Blog
We’re excited to announce that TypeSpec for Microsoft 365 Copilot is now generally available! This milestone marks the first stable release of the domain-specific language (DSL) designed to streamline...
devblogs.microsoft.com
November 25, 2025 at 8:51 PM
Reposted by Sébastien Levert
2 days until my TypeSpec webinar. Real-world patterns for building M365 Copilot declarative agents.

Production-ready guidance, not marketing fluff.

Nov 25, 12 PM ET.

🎟️ Register now vtns.io/TuKMJn
November 23, 2025 at 4:09 PM
Reposted by Sébastien Levert
And if you prefer reading than watching, here is a great written summary of all the Ignite announcements related to building agents for Microsoft 365 Copilot: devblogs.microsoft.com/microsoft365...

#msignite #microsoft365
Ignite 2025: A Developer’s Guide to Building Agents for Microsoft 365 - Microsoft 365 Developer Blog
A developer’s guide to building agents for Microsoft 365. See what’s new at Ignite 2025—Declarative Agents, Custom Engine Agents, and Agent 365 for enterprise-grade security and management.
devblogs.microsoft.com
November 22, 2025 at 7:31 AM
Ignite 2025: A Developer’s Guide to Building Agents for Microsoft 365
Ignite 2025: A Developer’s Guide to Building Agents for Microsoft 365 - Microsoft 365 Developer Blog
A developer’s guide to building agents for Microsoft 365. See what’s new at Ignite 2025—Declarative Agents, Custom Engine Agents, and Agent 365 for enterprise-grade security and management.
devblogs.microsoft.com
November 21, 2025 at 8:51 PM
Reposted by Sébastien Levert
If you're building agents for Microsoft 365 Copilot, this Ignite session is absolutely worth your time.
🔥 TypeSpec
🤖 Multi-agent support for declarative agents
📎 New capabilities for custom engine agents in Copilot Chat (yes—file upload!)

Check it out: ignite.microsoft.com/en-US/sessio... #MSIgnite
Build Agents for Copilot with the Microsoft 365 Agents Toolkit
Build and bring your own agent into Microsoft 365 Copilot with the Microsoft 365 Agents Toolkit. Explore Declarative and Custom Engine Agents, use the Microsoft 365 Agents SDK, and extend with…
ignite.microsoft.com
November 21, 2025 at 5:36 PM
Reposted by Sébastien Levert
Building M365 Copilot agents? TypeSpec is Microsoft's answer to AI platform instability.

21+ years of M365 dev experience → practical webinar Nov 25.

🎟️ Register now vtns.io/TuKMJn

#Microsoft365
November 21, 2025 at 1:18 PM
Reposted by Sébastien Levert
IntelliSense for declarative agents. Type checking for manifests. Automatic OpenAPI generation. See how TypeSpec changes everything.

Webinar Nov 25, 12 PM ET.

🎟️ Register now vtns.io/TuKMJn

#Copilot
November 20, 2025 at 3:53 PM