Visualizing Claude Code MCP Requests with Coding Agent Explorer
Learn how to use the MCP Observer in the Coding Agent Explorer to intercept and visualize all traffic between Claude Code and any MCP server in a real-time dashboard.
Read more →Tore Nestenius
Under the hood of .NET, identity and security
I'm a Microsoft .NET MVP, consultant and trainer in Göteborg, Sweden, specializing in authentication, identity and security in .NET. Here I share what I learn when I dig into how things really work.
Latest posts
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Exploring Claude Code Hooks with the Coding Agent Explorer (.NET)
Ever wondered what Claude Code is actually doing while it works? Every file it reads, every command it runs, every permission it requests. Claude Code
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Introducing the Coding Agent Explorer (.NET)
I'm excited to introduce you to the Coding Agent Explorer, a new open-source .NET teaching tool I've created that lets you see exactly what happens under
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Duende IdentityServer 7: A Complete Setup Guide for ASP.NET Core
Duende IdentityServer is the leading OpenID Connect and OAuth 2 server for .NET. In this tutorial, I'll walk you through setting up Duende IdentityServer
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BFF in ASP.NET Core #7 - Introducing the Duende BFF Library
In the previous blog posts in this series, we built our own Backend-for-Frontend (BFF) implementation in ASP.NET Core from scratch. Now, you might be
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BFF in ASP.NET Core #6 - Securing our BFF with CORS
In this post, we take the next step in securing our Backend-for-Frontend (BFF) by adding robust Cross-Origin Resource Sharing (CORS) protection. CORS is
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BFF in ASP.NET Core #5 - Automatic Token Renewal
Nobody wants to sign in every hour. Yet that's exactly what happens when access tokens expire in applications without proper token management. The good
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BFF in ASP.NET Core #4 - Implementing a BFF from scratch
In this blog post, we'll implement a minimal yet complete Backend-for-Frontend (BFF) in ASP.NET Core. By starting with a simple foundation and adding
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BFF in ASP.NET Core #3 - The BFF Pattern Explained
The BFF pattern eliminates many SPA security risks, but it introduces a new critical component: the session cookie. This cookie becomes the key to your
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BFF in ASP.NET Core #2 - The BFF Pattern Explained
How do you secure a Single-Page Application without storing tokens in the browser? The answer lies in the Backend-for-Frontend (BFF) pattern. This
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Implementing BFF Pattern in ASP.NET Core for SPAs
This multi-part blog series will show you how to implement secure authentication for Single-Page Applications using the Backend-for-Frontend (BFF) pattern
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How to Use KurrentDB for Event Sourcing in C# on Azure
In this blog post, you will learn how to deploy a test instance of KurrentDB to Azure and access it from a console application in .NET.
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Configuring ASP.NET Core Forwarded Headers Middleware
In my previous blog post, I explained what the Forwarded Headers Middleware does and why it matters. In this post, I will show you how to add it to your
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Exploring the Forwarded Headers Middleware in ASP.NET Core
Proxies are vital for load balancing and security, but they obscure the actual client IP, scheme, and domain, causing broken links, inaccurate logging
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AdditionalAuthorizationParameters in ASP.NET Core 9
A practical look at AdditionalAuthorizationParameters in ASP.NET Core 9. How it simplifies customizing OAuth/OIDC authorization requests and how it works with PAR.
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IdentityServer In Docker Containers – Handle Logout (Part 4)
In this final post in this series, we’ll now resolve logout challenges you might run into with IdentityServer, ensure proper sign-out redirects, and
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