Folarin Akinloye, AI Engineering https://folarin.dev AI engineering tutorials, deep dives, and project walkthroughs, agentic systems, LangChain, LangGraph, RAG, LLM integration, vector databases, and full-stack AI. en Tue, 28 Apr 2026 00:00:00 GMT Choosing a Vector Database in 2026 (Without the Hype) https://folarin.dev/blog/choosing-a-vector-database https://folarin.dev/blog/choosing-a-vector-database Tue, 28 Apr 2026 00:00:00 GMT pgvector, Qdrant, Pinecone, Weaviate, a decision framework Folarin Akinloye AI InfrastructureVector DatabasesEmbeddingsRetrievalArchitecture A FastAPI Backend for LLM Apps: Streaming, Tools, and Sanity https://folarin.dev/blog/fastapi-backend-for-llm-apps https://folarin.dev/blog/fastapi-backend-for-llm-apps Thu, 09 Apr 2026 00:00:00 GMT The server layer that sits between your frontend and your models Folarin Akinloye AI InfrastructureFastAPIPythonStreamingProduction Agentic AI from Scratch, Part 2: Multi-Agent Orchestration https://folarin.dev/blog/multi-agent-orchestration-langgraph https://folarin.dev/blog/multi-agent-orchestration-langgraph Tue, 24 Mar 2026 00:00:00 GMT Supervisors, handoffs, and shared state across a team of agents Folarin Akinloye Agentic AIAgentic AIMulti-AgentLangGraphArchitecture Agentic AI from Scratch, Part 1: Your First Agent in LangGraph https://folarin.dev/blog/first-agent-langgraph https://folarin.dev/blog/first-agent-langgraph Tue, 03 Mar 2026 00:00:00 GMT A tool-using agent as a state machine you can actually reason about Folarin Akinloye LangChain & LangGraphAgentic AILangGraphLangChainTool Calling Production RAG, Part 2: Measuring Retrieval Quality https://folarin.dev/blog/production-rag-measuring-retrieval-quality https://folarin.dev/blog/production-rag-measuring-retrieval-quality Wed, 18 Feb 2026 00:00:00 GMT You can't improve what you don't measure, an evaluation harness for RAG Folarin Akinloye RAGRAGEvaluationRetrievalProduction Production RAG, Part 1: Chunking That Actually Works https://folarin.dev/blog/production-rag-chunking-that-works https://folarin.dev/blog/production-rag-chunking-that-works Wed, 04 Feb 2026 00:00:00 GMT Why naive chunking quietly wrecks retrieval, and how to fix it Folarin Akinloye RAGRAGRetrievalEmbeddingsProduction Building an MCP Server for Job Search: A Deep Dive into FastMCP https://folarin.dev/blog/building-mcp-server-fastmcp https://folarin.dev/blog/building-mcp-server-fastmcp Fri, 16 Jan 2026 00:00:00 GMT Lessons from building a production MCP server that connects Claude to Adzuna's job search API Folarin Akinloye LLM IntegrationMCPTool CallingPythonLLM