Niels KootstraWriting by Niels Kootstra, a senior software engineer in Borne, the Netherlands.https://kootstra.io/en-gbPlanner, then reviewer: two agents in one workflowhttps://kootstra.io/writing/maf-first-workflow/https://kootstra.io/writing/maf-first-workflow/Chain a planner and a reviewer agent in a Microsoft Agent Framework workflow, so every plan gets reviewed.Wed, 21 Oct 2026 00:00:00 GMTHuman-in-the-loop tool approval in C#https://kootstra.io/writing/maf-tool-approval/https://kootstra.io/writing/maf-tool-approval/Make an Agent Framework agent wait for a person to approve the exact tool call, with its arguments, before it runs.Mon, 19 Oct 2026 00:00:00 GMTTool calling for AI agents in C#https://kootstra.io/writing/maf-tools/https://kootstra.io/writing/maf-tools/Turn C# methods into agent tools with AIFunctionFactory, and return results and errors the model can act on.Sat, 17 Oct 2026 00:00:00 GMTRemembering the conversation with agent sessionshttps://kootstra.io/writing/maf-sessions/https://kootstra.io/writing/maf-sessions/Keep an agent's conversation history with AgentSession, save it as JSON, and restore it without trusting the client.Fri, 16 Oct 2026 00:00:00 GMTMicrosoft Agent Framework: your first C# agenthttps://kootstra.io/writing/maf-first-agent/https://kootstra.io/writing/maf-first-agent/Build a console AI agent on Claude with Microsoft Agent Framework, then switch to OpenAI or Ollama in one statement.Wed, 07 Oct 2026 00:00:00 GMT