Tore Nestenius

I teach developers how to build smart, secure and scalable systems focusing on .NET/C#, architecture, DDD/CQRS, web security, and OpenID connect. Microsoft MVP

[Tore Nestenius @Tndata]

My first video course is live:

Getting Started with Authentication & Authorization in .NET

A 12+ hour deep dive into how auth really works in ASPNET Core.

Huge thanks to @nickchapsas and @dometrain!

https://t.co/B7j42KEW4h

#dotnet #aspnetcore #dometrain #mvpbuzz

[Tore Nestenius @Tndata]

When Claude Code talks to an MCP server, what is it actually saying?

Until now, that conversation was invisible.

New post: Visualizing Claude Code MCP Requests with the Coding Agent Explorer (.NET)

https://t.co/OazBydKyiq

#ClaudeCode #MCP @aspnetcore_news #mvpbuzz #dotnet

[Tore Nestenius @Tndata]

@aspnetcore_news @yogihosting @Michel1973 @maddymontaquila @OpenAtMicrosoft Thanks for including a link to my blog post!

[Tore Nestenius @Tndata]

@nicoloboschi @aspnetcore_news Thanks! I will checkout Hindsight.

[ASP.NET Core News @aspnetcore_news]

Exploring Claude Code Hooks with the Coding Agent Explorer (.NET) by @tndata https://t.co/mz9WYJVSTW #aspnetcore

[Tore Nestenius @Tndata]

@aspnetcore_news Thanks for mentioning my blog post!

[Tore Nestenius @Tndata]

After my last post, people asked:

What is Claude Code actually doing?
Part 2 is out: Claude Code Hooks 🔍

Intercept file access, commands, permissions and tool usage, Enforce rules. Block secrets. See everything

https://t.co/gGToktG9wL

@aspnetcore_news @claudeai #claudecode

[Tore Nestenius @Tndata]

Do you know what happens between your prompt and ClaudeCode?

I didn’t. So I built it.

Coding Agent Explorer (.NET). A reverse proxy + live dashboard showing every LLM call, tool use, and token flow in real time.

https://t.co/UCJ98loKEF

@aspnetcore_news @claudeai #claudecode

[Beauty in Code @beautyincode]

We are proud to present that Dave Farley (@davefarley77) is coming to Beauty in Code in Malmö, March 7th.

Read more about the conference and sign up here: https://t.co/K3BalwVLYR

Looking forward to seeing you at Beauty in Code!

[ASP.NET Core News @aspnetcore_news]

This week's ASP .NET Core newsletter is out! This week by @tndata, @stevejgordon, @maartenballiauw, @cwoodruff, and more ❤️ Check out 'Past newsletters' here: https://t.co/bvz2c3M16B

[ASP.NET Core News @aspnetcore_news]

Duende IdentityServer 7: A Complete Setup Guide for ASP .NET Core by @Tndata https://t.co/Nzf2CELimx #aspnetcore

[Tore Nestenius @Tndata]

Duende IdentityServer 7.4.4 from scratch in https://t.co/3er18HrmUj Core 10

Templates are great until something breaks. I built IdentityServer from an empty project, explaining every piece along the way.

https://t.co/kObdR5LdKW

#MVPBuzz @aspnetcore_news @DuendeIdentity

[Duende Software @DuendeIdentity]

Meet Duende IdentityServer v7.4! 🎉 Now with full .NET 10 LTS compatibility and the standards-based foundation for Agentic AI systems and MCP. Get the details & join the Insiders! ➡️ https://t.co/rZ1qjM5FSs

#dotnet #security #ai #identity #MCP

[Duende Software @DuendeIdentity]

Last week's livestream with .NET MVP Tore Nestenius is now available on YouTube.

Demystifying Authentication in #aspnetcore Core

Take a hands-on deep dive into the world of authentication.

https://t.co/qTaLYfTAJH

#dotnet #security #identity

[Tore Nestenius @Tndata]

@Smith997Camila You can find the video here https://t.co/upM2FWZ0gk
😃

[Tore Nestenius @Tndata]

Excited to share my AZ-204 journey and the open-source project that came out of it. Join us!

#azure #mvpbuzz

[Jonah Andersson @cjkodare]

We are hosting another virtual event at @AzugSweden this month and it will be about helping and guiding you to learn and pass the AZ-204, Microsoft Certified: Azure Developer Associate Exam 🌟

Are you someone or a developer preparing get certified for it?

Join me and @agrevlis, as we host and welcome our guest speaker, fellow Microsoft MVP @Tndata Tore at our user group community to share about passing the AZ-204 Azure Developer Certification the Hard Way

⏰ Sat, Sep 20, 2025 at 12:00 CEST
🎥 Virtual, Free
Register
https://t.co/QOMJr4zBHr

#mvpbuzz #mctbuzz #azugsweden #AZ204 #azuredeveloper #azuretechgroup

[Duende Software @DuendeIdentity]

Check out our upcoming livestream with Tore Nestenius.

We'll clarify how authentication in #aspnetcore works, including key concepts like schemas, handlers, ClaimsPrincipal, and more.

📅 September 18, 2025
🕐 10:00 EST / 16:00 CEST

https://t.co/lOkgqQKC52

#dotnet #security

[Jonah Andersson @cjkodare]

We are hosting another virtual event at @AzugSweden this month and it will be about helping and guiding you to learn and pass the AZ-204, Microsoft Certified: Azure Developer Associate Exam 🌟

Are you someone or a developer preparing get certified for it?

Join me and @agrevlis, as we host and welcome our guest speaker, fellow Microsoft MVP @Tndata Tore at our user group community to share about passing the AZ-204 Azure Developer Certification the Hard Way

⏰ Sat, Sep 20, 2025 at 12:00 CEST
🎥 Virtual, Free
Register
https://t.co/QOMJr4zBHr

#mvpbuzz #mctbuzz #azugsweden #AZ204 #azuredeveloper #azuretechgroup

[Duende Software @DuendeIdentity]

We'll host a livestream with Tore Nestenius! 📹

Authentication has many concepts and moving parts. In this session, we'll clarify how authentication in #aspnetcore works.

📅 September 18, 2025
🕐 10:00 EST / 16:00 CEST

https://t.co/lOkgqQKC52

#dotnet #security

[ASP.NET Core News @aspnetcore_news]

This week's ASP .NET Core newsletter is out! This week by @dotnet, @damien_bod, @joshibipin, @alihamzaansar16, @buddhist_ptaman, @assiszang, @tndata, @aramt87, @chbernasconic, and more ❤️ Check out 'Past newsletters' here: https://t.co/bvz2c3M16B