AI & MLAdvanced
AI Agent Architecture Patterns for .NET: Orchestration, Memory and A2A
Design AI agents in .NET: single vs multi-agent, sequential, concurrent, handoff, group chat and Magentic orchestration, memory, approvals, durability and A2A.
AI Agents
62 articles about AI Agents: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
Technologies 6
AI & MLBeginner
AI in .NET: The Complete Landscape for Developers
Map the 2026 AI in .NET ecosystem: Microsoft.Extensions.AI, Agent Framework, Semantic Kernel, vector data, MCP, ML.NET, ONNX and Foundry, and when to use each.
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 & 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 & MLIntermediate
Microsoft Agent Framework: Build AI Agents in C#
Build AI agents in C# with Microsoft Agent Framework 1.x: ChatClientAgent, sessions, tools, MCP, workflows, human approval, hosting and migration.
AI & MLIntermediate
Semantic Kernel in Practice: Plugins, Functions and Orchestration
Semantic Kernel in practice for C#: kernel, plugins, prompt templates, automatic function calling, filters, vector search, agents, and its 2026 role.
Interview Questions 1
AI EngineeringArchitect
AI Agents and MCP Interview Questions
Architect-level interview questions on AI agents and MCP: the agent loop, tool design, orchestration, memory, human-in-the-loop and failure modes in .NET.
AI News 55
Claude Agents Find a New Enzyme System With CRISPR-Like Repeats
Anthropic said on September 23, 2026 that Claude agents found ART, a phage enzyme system with CRISPR-like repeats, as it unveiled a new life sciences lab.
Anthropic Launches Claude Opus 5.5 at 40% Lower Cost Than Opus 5
Anthropic released Claude Opus 5.5 on September 22, 2026 at $4/$20 per million tokens, with Fable-class safeguards and four breaking API changes to plan for.
.NET 11 RC1 Brings C# 15 Unions and Experimental Blazor AI Components
Microsoft shipped .NET 11 Release Candidate 1 on September 8, 2026, with a go-live license, C# 15 union types and experimental Blazor components for agent UIs.
Alibaba Releases Qwen3.8, Its First Qwen-Max-Class Open-Weight Model
Alibaba's Qwen team released Qwen3.8 in August 2026, its first Qwen-Max-class open-weight model: a 2.4T MoE with 95B active parameters, followed by a 27B model.
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.
MCP 2026-07-28 Specification Goes Stateless, Adds Extensions Framework
The MCP 2026-07-28 specification, released July 28, 2026, drops protocol sessions for a stateless core and adds Multi Round-Trip Requests and extensions.
Moonshot AI Releases Kimi K3 Weights, a 2.8-Trillion-Parameter Open Model
Moonshot AI released Kimi K3's weights in July 2026, a 2.8T-parameter multimodal MoE model with a 1M-token context and new terms for large commercial users.
Anthropic Launches Claude Sonnet 5, Its Most Agentic Sonnet Model
Anthropic released Claude Sonnet 5 on June 30, 2026, an agentic model close to Opus 4.8 at $2/$10 per million tokens and the new default on Free and Pro plans.
GitHub Copilot App Goes GA as a Desktop Hub for Parallel AI Agents
GitHub's Copilot desktop app reached general availability on June 17, 2026, giving developers one place to run parallel AI agent sessions in isolated worktrees.
SpaceX to Acquire Cursor for $60 Billion in a Record All-Stock Deal
SpaceX agreed to buy AI coding startup Cursor for $60 billion in stock and closed the deal in August. What it means for developers who rely on Cursor.
Anthropic Study: Domain Expertise Predicts Success With Coding Agents
Anthropic's June 16, 2026 study of 400,000 Claude Code sessions found domain expertise, not a coding background, best predicts success with coding agents.
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.
GitHub Copilot SDK Reaches General Availability with .NET Support
GitHub made the Copilot SDK generally available on June 2, 2026, letting .NET, TypeScript, Python and Go apps embed Copilot's agent runtime via a stable API.
Google Launches Gemini 3.5 Flash at I/O 2026 for Agents and Coding
Google opened its Gemini 3.5 series at I/O on May 19, 2026, with Gemini 3.5 Flash, which it says beats Gemini 3.1 Pro on agent benchmarks, at $1.50/$9 pricing.
Google DeepMind Publishes Co-Scientist in Nature and Opens It to Researchers
Google DeepMind published its Co-Scientist multi-agent research system in Nature in May 2026 and began offering it to scientists through Gemini for Science.
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.
DeepSeek V4 Released: Open-Weight 1.6T MoE With a 1M-Token Context Built for Agents
DeepSeek released V4-Pro and V4-Flash in April 2026, MIT-licensed open-weight MoE models with a 1M-token context and far cheaper long-context inference.
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.
Google Unveils TPU 8t and TPU 8i, Its Eighth-Generation AI Chips
Google announced TPU 8t and TPU 8i at Cloud Next on April 22, 2026, splitting its eighth-generation TPU into separate chips for training and inference.
Anthropic Launches Claude Managed Agents, a Hosted Runtime for AI Agents
Anthropic put Claude Managed Agents into public beta on April 8, 2026, a hosted agent runtime with sandboxes, long-running sessions and credential vaults.
Microsoft Agent Framework 1.0 Ships with Stable .NET and Python APIs
Microsoft Agent Framework reached 1.0 on April 2, 2026, with stable .NET and Python packages for agents and workflows while key integrations stayed in preview.
Aspire 13.2 Adds an AI-Agent-Native CLI and TypeScript AppHosts
Aspire 13.2, released March 23, 2026, turned aspire mcp into aspire agent with skills for AI coding agents and previewed TypeScript AppHosts.
A2A Protocol Reaches v1.0 With Signed Agent Cards and Multi-Tenancy
The Agent2Agent (A2A) protocol shipped v1.0 on March 12, 2026, adding signed Agent Cards, multi-tenancy and formal bindings, plus breaking changes.
Microsoft Launches Copilot Cowork, Built with Anthropic, for Microsoft 365
Microsoft announced Copilot Cowork on March 9, 2026, an agent built with Anthropic that carries out multi-step tasks across Microsoft 365 with approval gates.
OpenAI Launches GPT-5.4 with Native Computer Use and 1M-Token Context
OpenAI released GPT-5.4 on March 5, 2026, with native computer use, tool search and a 1M-token API context, priced at $2.50 and $15 per million tokens.
MCP C# SDK Reaches 1.0 with Stable APIs for .NET Developers
The official Model Context Protocol C# SDK shipped 1.0.0 on February 25, 2026, giving .NET teams stable APIs, a SemVer promise and MCP 2025-11-25 support.
Google Releases Gemini 3.1 Pro in Preview with Big Reasoning Gains
Google released Gemini 3.1 Pro in preview on February 19, 2026, reporting 77.1% on ARC-AGI-2, adding a medium thinking level and keeping $2/$12 pricing.
Anthropic Releases Claude Opus 4.6 with a 1M-Token Context Window
Anthropic's Claude Opus 4.6 (February 5, 2026) added a 1M-token context in beta, adaptive thinking and agent teams, while keeping $5/$25 pricing.
Xcode 26.3 Brings Agentic Coding With Claude Agent and OpenAI Codex
Apple announced Xcode 26.3 on February 3, 2026, with built-in agentic coding through Anthropic's Claude Agent and OpenAI's Codex, plus MCP support.
OpenAI Launches a Standalone Codex App for Managing Coding Agents
OpenAI launched a standalone Codex app for Mac on February 2, 2026, built to help developers run and manage several AI coding agents at once. What changed.
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.
MCP Apps Launches as the First Official MCP Extension for Interactive UI
MCP Apps, launched on January 26, 2026 as the first official MCP extension, lets tools return interactive UIs that render in Claude, ChatGPT, VS Code and goose.
Anthropic Publishes Agent Skills as an Open Standard for AI Agents
On December 18, 2025, Anthropic released Agent Skills as an open standard at agentskills.io, making SKILL.md folders portable across AI agents and tools.
Agentic AI Foundation Launches With MCP, goose and AGENTS.md
On December 9, 2025, the Linux Foundation formed the Agentic AI Foundation, with Anthropic's MCP, Block's goose and OpenAI's AGENTS.md as founding projects.
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.
Google Launches Gemini 3 Pro, Topping LMArena and Debuting Antigravity
Google released Gemini 3 on November 18, 2025, starting with Gemini 3 Pro in preview, which topped LMArena at 1501 Elo and launched with Antigravity.
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.
Microsoft Agent Framework Preview Unites Semantic Kernel and AutoGen
Microsoft shipped the first preview of Microsoft Agent Framework on October 1, 2025, an open-source .NET and Python successor to Semantic Kernel and AutoGen.
Anthropic Releases Claude Sonnet 4.5, Its Top Model for Coding Agents
Anthropic's Claude Sonnet 4.5, released September 29, 2025, led SWE-bench Verified and OSWorld at Sonnet pricing and arrived with the Claude Agent SDK.
MCP Registry Launches in Preview as an Open Catalog of MCP Servers
The MCP project launched the MCP Registry in preview on September 8, 2025, an open catalog and API for public MCP servers, with NuGet among its package types.
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.
OpenAI Launches GPT-5, a Unified Model That Decides When to Think
OpenAI released GPT-5 on August 7, 2025, merging fast answers and deep reasoning in one system, with new API controls, lower prices and fewer hallucinations.
OpenAI Releases gpt-oss-120b and gpt-oss-20b, Its First Open-Weight Models Since GPT-2
OpenAI released gpt-oss-120b and gpt-oss-20b in August 2025, its first open-weight language models since GPT-2, under Apache 2.0 for reasoning and tool use.
Google DeepMind Unveils Genie 3, a Real-Time Interactive World Model
Google DeepMind announced Genie 3 in August 2025, a world model that turns text prompts into interactive 720p worlds at 24 fps that stay consistent for minutes.
Moonshot AI Open-Sources Kimi K2, a 1-Trillion-Parameter Agentic Model
Moonshot AI open-sourced Kimi K2 in July 2025, a 1-trillion-parameter MoE model with 32B active parameters built for tool use, under a modified MIT license.
xAI Launches Grok 4 and Grok 4 Heavy, Claiming Top Reasoning Scores
xAI released Grok 4 and the multi-agent Grok 4 Heavy on July 9, 2025, with a 256K-token API priced at $3 and $15 per million tokens and strong benchmark claims.
Google Launches Gemini CLI, an Open-Source AI Agent for the Terminal
Google released Gemini CLI on June 25, 2025, an Apache 2.0 terminal agent with a free tier, MCP support and a 1M-token context window. Here is what it offers.
Claude Code Is Generally Available, With IDE Extensions and an SDK
Anthropic made Claude Code generally available on May 22, 2025, adding VS Code and JetBrains extensions, GitHub Actions support and the Claude Code SDK.
Anthropic Launches Claude Opus 4 and Claude Sonnet 4 for Coding Agents
Anthropic's Claude Opus 4 and Sonnet 4 (May 22, 2025) led coding benchmarks, added tool use during extended thinking and made Claude Code generally available.
Google DeepMind Unveils AlphaEvolve, a Gemini-Powered Agent That Discovers Algorithms
Google DeepMind introduced AlphaEvolve in May 2025, a Gemini-powered evolutionary coding agent that found faster algorithms and saves 0.7% of Google's compute.
Alibaba Releases Qwen3: Apache 2.0 Open Models with Hybrid Thinking Modes
Alibaba's Qwen team released Qwen3 in April 2025: eight Apache 2.0 open-weight models, from 0.6B to a 235B MoE, that switch between thinking and fast modes.
OpenAI Releases o3 and o4-mini, Reasoning Models That Use Tools
OpenAI's o3 and o4-mini, released April 16, 2025, reason with tools and images, posted strong coding and math results and reached developers through the API.
Microsoft and Anthropic Launch the Official MCP C# SDK for .NET
Microsoft and Anthropic released an official C# SDK for the Model Context Protocol in April 2025, giving .NET teams a supported way to build MCP servers.
OpenAI Adopts the Model Context Protocol, Starting With the Agents SDK
On March 26, 2025, OpenAI said it would support Anthropic's Model Context Protocol across its products, starting with the Agents SDK. What it means for devs.