Sébastien Levert
@sebastienlevert.com
Principal PM Manager at #Microsoft focusing on Microsoft 365 Copilot developer experiences.
Unlock your email potential with Schema.org
Unlock your email potential with Schema.org - Microsoft 365 Developer Blog
Discover how email can streamline your business travel experience and ensure you never miss important details.
devblogs.microsoft.com
December 17, 2025 at 3:13 PM
Unlock your email potential with Schema.org
Build declarative agents for Microsoft 365 Copilot with MCP
Build declarative agents for Microsoft 365 Copilot with MCP - Microsoft 365 Developer Blog
With introduction of MCP support, it’s now much easier for developers to integrate their business workflows, SaaS, and LoB systems into Copilot via declarative agent.
devblogs.microsoft.com
December 16, 2025 at 3:13 PM
Build declarative agents for Microsoft 365 Copilot with MCP
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
General Availability of SharePoint Framework 1.22 – A Major Refresh of the Build & Tooling Experience
Reposted by Sébastien Levert
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
Dev Proxy v2.0 with improved AI telemetry, and small breaking changes
Hey @codedeploygo.live! Do we get t-shirts?
December 3, 2025 at 10:09 PM
Hey @codedeploygo.live! Do we get t-shirts?
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
🤷♂️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
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
🤷♂️Why isn't Microsoft shouting this from the rooftops?
🗓️ Join my Dec 9 webinar for the full story.
🎟️ vtns.io/xbgqnf
#Microsoft365Copilot
SharePoint Framework (SPFx) roadmap update – November 2025
SharePoint Framework (SPFx) roadmap update – November 2025 - Microsoft 365 Developer Blog
SPFx is powering the future of Microsoft 365. From AI-driven portals to seamless integrations across SharePoint, Teams and Viva, SPFx is driving innovation at scale. This monthly blog series kicks off...
devblogs.microsoft.com
November 26, 2025 at 3:13 PM
SharePoint Framework (SPFx) roadmap update – November 2025
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
Introducing TypeSpec for Microsoft 365 Copilot – Build declarative agents faster with more confidence
SharePoint Site Creation in Microsoft Graph
SharePoint Site Creation in Microsoft Graph - Microsoft 365 Developer Blog
The SharePoint team is excited to (finally) bring Site Collection creation to Graph! Starting in Microsoft Graph beta you can now create new site collections!
devblogs.microsoft.com
November 24, 2025 at 3:13 PM
SharePoint Site Creation in Microsoft Graph
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
Production-ready guidance, not marketing fluff.
Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
November 23, 2025 at 4:09 PM
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
Production-ready guidance, not marketing fluff.
Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
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
#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
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
#msignite #microsoft365
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
Ignite 2025: A Developer’s Guide to Building Agents for Microsoft 365
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
🔥 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
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
🔥 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
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
21+ years of M365 dev experience → practical webinar Nov 25.
🎟️ Register now vtns.io/TuKMJn
#Microsoft365
November 21, 2025 at 1:18 PM
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
21+ years of M365 dev experience → practical webinar Nov 25.
🎟️ Register now vtns.io/TuKMJn
#Microsoft365
Microsoft 365 Copilot APIs: What’s New and What’s Next
Microsoft 365 Copilot APIs: What’s New and What’s Next - Microsoft 365 Developer Blog
Discover what’s new in Microsoft 365 Copilot APIs — Retrieval API is now GA, and Chat and Search APIs are in public preview. Learn how these APIs, as part of Work IQ, deliver secure, permission-aware...
devblogs.microsoft.com
November 20, 2025 at 8:51 PM
Microsoft 365 Copilot APIs: What’s New and What’s Next
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
Webinar Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
#Copilot
November 20, 2025 at 3:53 PM
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
Webinar Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
#Copilot
Microsoft Agent 365 Interoperability for Smart, Secure Productivity
Microsoft Agent 365 Interoperability for Smart, Secure Productivity - Microsoft 365 Developer Blog
Agent 365 Interoperability equips any agent with apps and data to simplify human-agent workflows.
devblogs.microsoft.com
November 20, 2025 at 3:13 PM
Microsoft Agent 365 Interoperability for Smart, Secure Productivity
Ignite 2025 – What’s new for Office Add-ins
Ignite 2025 - What's new for Office Add-ins - Microsoft 365 Developer Blog
Explore the latest features in Office Add-ins, including platform updates and enhancements for a better developer experience.
devblogs.microsoft.com
November 19, 2025 at 8:51 PM
Ignite 2025 – What’s new for Office Add-ins
From Innovation to Enterprise Trust with Microsoft Agent 365
From Innovation to Enterprise Trust with Microsoft Agent 365 - Microsoft 365 Developer Blog
Discover how Microsoft Agent 365 bridges innovation and enterprise trust. Learn how to build secure, compliant, and scalable agents with flexible paths for any AI stack—Copilot Studio, Microsoft Foundry,...
devblogs.microsoft.com
November 19, 2025 at 3:13 PM
From Innovation to Enterprise Trust with Microsoft Agent 365
Announcing the Microsoft Teams SDK (Formerly the Teams AI Library)
Announcing the Microsoft Teams SDK (Formerly the Teams AI Library) - Microsoft 365 Developer Blog
Discover the new and improved Teams AI Library, designed to help developers create even more powerful agents for Microsoft Teams.
devblogs.microsoft.com
November 18, 2025 at 8:51 PM
Announcing the Microsoft Teams SDK (Formerly the Teams AI Library)
And some Demo Time on stage!
Microsoft Ignite week. Big announcements, big sessions.
Make your demo just as big with Demo Time. 😉
demotime.show
Make your demo just as big with Demo Time. 😉
demotime.show
Demo Time
The only presentation tool designed for flawless live coding. Script your demos to perfection—no typos, no missteps, just professional presentations every time.
demotime.show
November 17, 2025 at 10:50 PM
And some Demo Time on stage!
Reposted by Sébastien Levert
TypeSpec = Bicep for API manifests. Write once, generate declarative agent manifests + OpenAPI specs automatically.
Learn how in my Nov 25 webinar.
🎟️ Register now vtns.io/TuKMJn
#TypeSpec #DeveloperTools
Learn how in my Nov 25 webinar.
🎟️ Register now vtns.io/TuKMJn
#TypeSpec #DeveloperTools
November 17, 2025 at 1:15 PM
TypeSpec = Bicep for API manifests. Write once, generate declarative agent manifests + OpenAPI specs automatically.
Learn how in my Nov 25 webinar.
🎟️ Register now vtns.io/TuKMJn
#TypeSpec #DeveloperTools
Learn how in my Nov 25 webinar.
🎟️ Register now vtns.io/TuKMJn
#TypeSpec #DeveloperTools
Reposted by Sébastien Levert
Stop hand-writing JSON manifests for M365 Copilot agents.
TypeSpec brings type safety and IntelliSense to declarative agent development.
Join my webinar Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
#Microsoft365 #Copilot
TypeSpec brings type safety and IntelliSense to declarative agent development.
Join my webinar Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
#Microsoft365 #Copilot
November 12, 2025 at 1:16 PM
Stop hand-writing JSON manifests for M365 Copilot agents.
TypeSpec brings type safety and IntelliSense to declarative agent development.
Join my webinar Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
#Microsoft365 #Copilot
TypeSpec brings type safety and IntelliSense to declarative agent development.
Join my webinar Nov 25, 12 PM ET.
🎟️ Register now vtns.io/TuKMJn
#Microsoft365 #Copilot
New developer resource page for Microsoft 365 interoperability and data portability
New developer resource page for Microsoft 365 interoperability and data portability - Microsoft 365 Developer Blog
Microsoft is launching a centralized developer resource page that consolidates interoperability and data portability information, tools, and feedback channels to help partners and customers use Microsoft...
devblogs.microsoft.com
November 4, 2025 at 3:13 PM
New developer resource page for Microsoft 365 interoperability and data portability