news
My communications plan
This is my (Sébastien Dubois) Communications plan. It describes where/how I share information and ideas. It's part of my business flywheel.
Latest
news
Claude Code Prompt Caching
Claude Code uses Anthropic's prompt cache to reuse large, stable chunks of context (system prompt, tool definitions, CLAUDE.md, prior turns) across requests instead of resending and re-billing them every turn. Cache reads are cheaper than uncached tokens; cache writes are more expensive than normal
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2026-04-14 Interesting Links
Here are a few links I found interesting today.
Newsletter Archive
DeveloPassion's Newsletter #210 - LLM Wikis
I built a full LLM Wiki system inside the Obsidian Starter Kit: 7 skills, a Wiki Curator agent, 70+ articles in one session. OSK v4 is coming with 360+ AI skills, agents with persistent memory, and LLM Wikis. Plus a new book, Claude Code updates, and 6,000+ subscribers.
Blog
I Built a Graph Explorer for Obsidian Bases. Here's Why LLM Wikis Need a Visual Layer
I built Graph Explorer Base View to solve a real problem: LLM Wikis generate tons of interconnected notes, but without a visual layer, you can't see clusters, gaps, or what still needs review.
Blog
Slopsquatting, Typosquatting, and the New Software Supply Chain Attacks: How AI and Vibe Coding Are Making Package Registries Even More Dangerous
AI coding tools hallucinate fake package names. Attackers register them. You install malware. Here's how slopsquatting works and what you can do about it.
Blog
I Built an Obsidian Plugin to Convert Handwritten Notes to Markdown
Point any image in your Obsidian vault at a local AI model and get structured Markdown back. Headings, lists, quotes, even Mermaid diagrams. No data leaves your machine.
Blog
Analog Reading, Digital Knowledge: The Full Pipeline From Paper Notes to AI Skills
I read books on paper, take handwritten notes, and turn them into connected atomic notes and AI skills. Here's the full pipeline, and the thinking behind each step.
Blog
I Built an Obsidian Plugin to Sync My reMarkable Notes 📝
An Obsidian plugin that imports everything from your reMarkable tablet
Blog
Your AI Doesn't Know You: Why PKM Is the Missing Foundation for AI Agents
Most AI agents are flying blind. They have no memory, no context, and no idea who you are. Here's why your knowledge base is the missing piece.
Blog
How I Manage All My Tasks Inside Obsidian with the TaskNotes Plugin
I just published a new YouTube video showing how I manage ALL my tasks inside Obsidian using the TaskNotes plugin. No separate app. No context switching. Everything connected.
Blog
Collective Intelligence and PKM: Why Your Notes Are Smarter Than You Think
What do ant colonies, Wikipedia, and your personal knowledge graph have in common? More than you'd expect. Your notes are a collective intelligence system — and when you compose them as context for AI, they become something far more powerful.