Hey, I'm aliasunder
I build AI memory systems and write about what actually works. The main thread is Vault Cortex, an open-source MCP server that gives Claude persistent access to an Obsidian vault from any device — plus the architecture, infrastructure, and dead ends along the way.
Read the posts, or start with the project on GitHub.
Featured
OAuth 2.1 for a Personal MCP Server: What Three Months in Production Changed
How an open-source MCP server for one Obsidian vault does OAuth 2.1: the threat model, each decision and its trade-off, and what three months in production changed.
I Gave Claude Access to My Entire Second Brain
Updated:A self-hosted MCP server that gives Claude persistent access to my Obsidian vault from anywhere — what I built, why, and how it held up over 15 days of travel.