Blog
Notes on cloud infrastructure, AI-augmented engineering, and personal-OS work.
rss feed ↗Identity API: Writing Your Operating Manual
A typed identity layer for AI agents. Schemas, evidence-backed claims and bidirectional links across 173 vault files turn freeform user context into a structured API for LLMs.
Read post →Iva and Me: Building a Personal Operating System with Obsidian, RAG, OCR and AI
Twenty years of handwritten diaries as the memory layer of a personal AI. How vault, RAG, OCR and an agent loop come together into a system that knows who you actually are.
Read post →An MCP server that does not log the patient ID, on purpose
Most public MCP demos that read patient data would fail a HIPAA audit on a single grep. A walk-through of a healthcare-grade MCP server design where the patient ID never enters logs by construction.
Read post →Beyond the Research Wiki: What Happens When the Data Is You
What changes when a personal knowledge base is about you, decisions, energy, health, inner life. Domain policy files, behavioral contracts for AI agents, and why one librarian with one behavior breaks down.
Read post →The Architect: Building a Weekly Review Agent on Top of an Obsidian Vault
A structured weekly review agent with MCP read-write access to an Obsidian vault. From capability to application, and why the specificity of the workflow turned out to be the point.
Read post →Over Two Decades of Handwriting, One Local Language Model, and an OCR Problem
Building a Cyrillic handwriting OCR pipeline for 20+ years of personal diaries. TrOCR, LoRA fine-tuning, and why the hardest part is not the model.
Read post →From Scattered Notes to Living System: Obsidian, Claude, and a Personal OS
How I built a local REST API over an Obsidian vault, connected it to a React dashboard, and added an MCP layer for AI-driven read-write access. Treating personal knowledge management as infrastructure.
Read post →My experience participating in an AWS workshop as an AWS Certification SME
A look behind the curtain of AWS certification creation. How Subject Matter Experts develop and refine exam questions, the workshop format, and what the program is actually like from the inside.
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