Engineering notes

Building AI that actually ships

Deep dives into agentic AI, LLM frameworks, RAG pipelines, and production systems — from someone who builds them for pharma, banking, and beyond.

Featured seriesPart 1 of 4

DSPy vs LangGraph vs CrewAI — the only comparison that builds the same app three times

Why the only honest framework comparison is one where you build the exact same thing three ways.

DSPyLangGraphCrewAI
Part 2 of 4

Three Implementations, One Task — Code Walkthrough & Architecture Patterns

DSPyLangGraphCrewAIImplementation
Coming soon
Part 3 of 4

MCP, Tool Dependencies & the Skills Cards Pattern

MCPSkillCardsagentskills.ioDependencies
Coming soon
Part 4 of 4

Evaluation, Optimization & The Verdict

EvaluationLLM-as-JudgeOptimizationVerdict
Coming soon