Engineering Notes

Engineering Notes

Thoughts and Ideas on AI by Muthukrishnan
22 Dec 2025

CrewAI vs LangGraph Building the Same Multi-Agent System in Both

A side-by-side comparison of CrewAI and LangGraph by implementing the same research assistant workflow in both frameworks.
20 Dec 2025

Building an MCP Server with Python to Connect Claude to Your Database

A practical guide to building a Model Context Protocol (MCP) server that lets Claude query your SQLite database directly.
06 Dec 2025

Building Reusable Agent Capabilities with Skill Libraries

How AI agents acquire, store, and compose reusable skills—from hierarchical reinforcement learning to LLM-based skill synthesis and the emerging paradigm of lifelong learning agents.
06 Dec 2025

Master the Art of Managing Up and Across

The highest-leverage skill most engineering managers neglect isn't managing their team—it's managing up to leadership a...
04 Dec 2025

Architect for Reversibility as a High-Velocity Advantage

The most expensive decisions in engineering aren't the wrong ones—they're the ones that take too long to make. Every da...
04 Dec 2025

Improving Decisions Through Multi-Agent Debate and Deliberation

How AI agents can reach better decisions by arguing with each other—exploring debate protocols, deliberation architectures, and the surprising power of constructive disagreement.
03 Dec 2025

Diffusion Models and Iterative Refinement in AI Agent Planning

Explore how diffusion models enable AI agents to generate and refine complex action plans through iterative denoising, revolutionizing long-horizon planning and decision-making.
03 Dec 2025

Expand Your Decision-Making Bandwidth, Not Your Meeting Calendar

The most dangerous bottleneck in a scaling engineering organization isn't compute, infrastructure, or even talent—it's ...
02 Dec 2025

Beam Search and Parallel Decoding for Multiple Solution Paths in AI Agents

Master beam search—a powerful technique for exploring multiple solution paths simultaneously in AI agents, from classical NLP to modern LLM reasoning systems.
02 Dec 2025

Manage Technical Investment Velocity, Not Just Delivery Velocity

Most engineering managers obsess over delivery velocity—story points completed, features shipped, sprint goals met. But...