https://remigiuszzalewski.com/blog Practical C#, .NET, ASP.NET Core and EF Core tutorials with code examples and video walkthroughs, from authentication and databases to Azure deployment and AI tools. en-us remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) Wed, 04 Nov 2026 00:00:00 GMT https://remigiuszzalewski.com/blog/claude-code-free-setup-omniroute-free-llm-apis-2026 https://remigiuszzalewski.com/blog/claude-code-free-setup-omniroute-free-llm-apis-2026 One free LLM tier runs out after a few Claude Code requests. Connect OpenRouter, Nvidia, Mistral and Groq to OmniRoute, combine their models into a single combo, and point Claude Code at it for free. Wed, 04 Nov 2026 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) aiclaude-codeomniroutellmai-gateway https://remigiuszzalewski.com/blog/mcp-server-dotnet-ef-core https://remigiuszzalewski.com/blog/mcp-server-dotnet-ef-core Claude can write C# but has no idea what's in your database until you give it a way to ask. Build your first MCP server in .NET 10 with EF Core and SQL Server, expose three tools, and use it from Claude Desktop and MCP Inspector. Tue, 15 Sep 2026 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpaimcpentity-frameworkclaude https://remigiuszzalewski.com/blog/rag-explained https://remigiuszzalewski.com/blog/rag-explained Why AI models hallucinate and the one idea that fixes it in almost every production AI system - Retrieval-Augmented Generation. Chunking, embeddings, vector search, prompt augmentation, and the four places RAG breaks. Mon, 21 Sep 2026 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) airagllmembeddingsvector-database https://remigiuszzalewski.com/blog/run-claude-code-free-ollama https://remigiuszzalewski.com/blog/run-claude-code-free-ollama Run Claude Code against a local AI model on your own PC - free, private and offline. Install Ollama, pick a model for your hardware, fix the context length, and connect it with ollama launch claude. Wed, 28 Oct 2026 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) aiclaude-codeollamalocal-ai