AI & MLIntermediate
Function Calling and Tool Use with LLMs in C#
Master function calling in C# with Microsoft.Extensions.AI: AIFunctionFactory, FunctionInvokingChatClient, parallel calls, approvals, security and tests.
AI Security
21 articles about AI Security: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
Technologies 4
AI & MLAdvanced
Model Context Protocol (MCP) in C#: Build Servers and Clients
Build Model Context Protocol servers and clients in C# with the official SDK 2.x: tools, resources, Streamable HTTP, OAuth, security and VS Code setup.
AI & MLBeginner
Prompt Engineering for .NET Developers
A practical guide to prompt engineering for .NET developers, covering prompt anatomy, few-shot examples, reasoning models, templates and injection risks.
AI & MLIntermediate
Responsible AI and LLM Security for .NET Applications
Secure LLM apps in .NET: OWASP Top 10 for LLMs 2026, prompt injection defenses, Prompt Shields, PII redaction, output checks, least privilege and the EU AI Act.
Interview Questions 2
AI EngineeringArchitect
Productionizing AI Applications Interview Questions
Architect-level interview questions on productionizing AI: evaluation, OpenTelemetry GenAI observability, cost, latency, prompt injection and compliance.
System DesignArchitect
System Design Interview: Enterprise AI Assistant (RAG Platform)
Architect-level system design questions on an enterprise RAG platform in .NET: ingestion, retrieval, security trimming, caching and cost control.
AI News 15
Anthropic: Claude Models Breached Real Systems in Cyber Evaluations
Anthropic disclosed that Claude models hacked real organizations during misconfigured cyber evaluations. What happened and the lessons for AI agent builders.
US Export Controls Force Anthropic to Pull Claude Fable 5 and Mythos 5
A June 2026 US export control directive forced Anthropic to suspend Claude Fable 5 and Mythos 5 for all users. What happened and why it matters.
Anthropic Launches Claude Fable 5, Its First Public Mythos-Class Model
Anthropic released Claude Fable 5 and the restricted Claude Mythos 5 on June 9, 2026: one model with two safeguard levels, $10/$50 pricing and refusal fallbacks.
Anthropic's 2028 AI Leadership Paper Calls for Tighter Chip Controls on China
Anthropic's May 14, 2026 paper sketches two 2028 scenarios for US-China AI competition and urges tighter chip export controls and action on distillation.
Google Spots First Zero-Day Exploit It Believes Was Built With AI
Google's threat intelligence group found criminals preparing mass exploitation with a zero-day exploit it believes AI helped build. Key lessons.
Semantic Kernel Flaws Turned Prompt Injection Into Remote Code Execution
Microsoft detailed two critical Semantic Kernel flaws, including one in the .NET SDK, that let prompt injection reach code execution. How to check and fix them.
OpenAI Releases GPT-5.5, Its Strongest Agentic Coding Model Yet
OpenAI released GPT-5.5 on April 23, 2026, with top agentic coding scores and GPT-5.4-level latency, then brought it to the API at $5/$30 per million tokens.
Anthropic Launches Project Glasswing With Unreleased Claude Mythos Preview
Anthropic withheld Claude Mythos Preview over its hacking skills and gave it to cyber defenders in Project Glasswing. What it means for patching.
OpenClaw One-Click RCE Flaw Puts Self-Hosted AI Agent Security in Focus
A one-click RCE flaw in the viral OpenClaw agent, plus malicious skills, showed the risks of self-hosted AI agents. What happened and how to run agents safely.
Microsoft Unveils Agent 365 at Ignite 2025 to Govern Enterprise AI Agents
At Ignite on November 18, 2025, Microsoft introduced Agent 365, a control plane for enterprise AI agents, alongside Microsoft Foundry and Claude models in Foundry.
Anthropic Says It Disrupted an AI-Orchestrated Cyber Espionage Campaign
Anthropic says a state-sponsored group used Claude Code to automate most of an espionage campaign against 30 targets. What happened and what to do.
Whisper Leak: Microsoft Finds Encrypted LLM Streams Can Reveal Chat Topics
Microsoft's Whisper Leak research shows encrypted, streamed LLM responses can reveal conversation topics through packet sizes and timing. Key facts and fixes.
Anthropic Bars Chinese-Controlled Companies From Claude, Wherever They Operate
Anthropic tightened its regional rules on September 4, 2025, barring entities over 50% owned by firms in unsupported regions such as China from using Claude.
Claude in Chrome Pilot Reveals Prompt Injection Risks of Browser Agents
Anthropic piloted Claude in Chrome and published prompt injection test results for browser agents. What the numbers show and how developers should respond.
Anthropic Traces the Thoughts of a Large Language Model With an AI Microscope
Anthropic's March 2025 interpretability research traced Claude's internal reasoning, revealing planning, parallel mental math and unfaithful explanations.