Loom

Latest posts

PostOctober 19, 2026
A first Claude Code mod: write, check, test and run it
Building a mod that blocks npm commands that skip a wrapper script and adds a /node-guard command: the files, claude plugin validate, a test, running it, letting Claude write it, and the pitfalls.
- Claude Code
PostOctober 14, 2026
Claude Code mods: what they are and when to use one
A mod is a plugin whose JavaScript or TypeScript runs inside Claude Code. How it works, when to pick it over a hook, skill or MCP server, the layers it runs in, and its risks. Version 2.1.295.
- Claude Code
PostOctober 13, 2026
Agentic RAG and GraphRAG
Two steps beyond a fixed RAG pipeline: letting the model search as a tool, as many times as it needs, and building a knowledge graph for questions that span many documents.
- AI
- RAG
PostOctober 13, 2026
Agents: a model with tools in a loop
What makes a system an agent, how it differs from a workflow, when an agent is worth it and when it is not, a minimal agent in Python, and the Claude Agent SDK.
- AI
- Agents

AI: tools and agents
AI series 3 of 5. How a model acts in the world. Tools, MCP, agents, workflow patterns, memory and multi-agent systems.
8 parts
AI: the basics
AI series 1 of 5. What an LLM is, how it is built, tokens, prompting and what you can do with one. Code is based on the official docs and output is marked as example output.
8 parts
AI: production
AI series 4 of 5. What it takes to ship an LLM system. Evals, observability, cost, security, guardrails, a decision map, and one app that puts it all together.
7 parts
AI: knowledge and RAG
AI series 2 of 5. How to give a model access to your own knowledge. Embeddings, semantic search, RAG and diagnosing failures.
4 parts
AI: adapting a model
AI series 5 of 5. Fine-tuning, distillation and running models locally. When it is worth the effort and when it is not.
3 parts
Claude Code mods
Changing Claude Code from the inside. What a mod is and when it is worth it, and how to write, check and run a first one.
2 parts
Dev tools: zero to hero
Guides that build one project step by step, in short posts. Git, GitHub, Docker, GitHub Actions, Kubernetes and AWS, in the order you meet them.
26 parts
Python step by step
Short posts on Python, one topic each. Every example was run and every claim checked against the official docs.
23 parts