https://slyapustin.com Notes on AI, engineering, and building things that matter. AI agent architecture, conversation intelligence, and LLM integration. en Fri, 18 Sep 2026 00:00:00 +0000 https://slyapustin.com/blog/when-buying-costs-more-than-building.html https://slyapustin.com/blog/when-buying-costs-more-than-building.html Fri, 18 Sep 2026 00:00:00 +0000 Sergey Lyapustin Pieter Levels cut $25,000/mo by replacing 14 SaaS tools with vibe coded services. The interesting part isn't what he replaced. It's the six things he kept, and what that tells every SaaS business about the three ways it can now die. https://slyapustin.com/blog/when-everyone-has-a-dev-team.html https://slyapustin.com/blog/when-everyone-has-a-dev-team.html Fri, 10 Apr 2026 00:00:00 +0000 Sergey Lyapustin AI agents gave everyone a development team. For small-company CTOs, the job didn't shrink — it rewrote itself. From chief builder to context architect, quality gatekeeper, and talent strategist. https://slyapustin.com/blog/from-vibe-coding-to-agentic-engineering.html https://slyapustin.com/blog/from-vibe-coding-to-agentic-engineering.html Thu, 09 Apr 2026 00:00:00 +0000 Sergey Lyapustin 7 rules for moving your engineering org from vibe coding to agentic engineering — the structured AI workflow replacing prompt-and-pray in 2026. https://slyapustin.com/blog/obsidian-llm-memory-organizer.html https://slyapustin.com/blog/obsidian-llm-memory-organizer.html Fri, 03 Apr 2026 00:00:00 +0000 Sergey Lyapustin Three ways to give AI persistent memory: Obsidian plugins, Claude Code's AutoMemory and Auto-Dream, and Karpathy's LLM-compiled wiki. What works, what breaks, and 16 practical tips to make each one better. https://slyapustin.com/blog/claude-code-no-flicker.html https://slyapustin.com/blog/claude-code-no-flicker.html Tue, 31 Mar 2026 00:00:00 +0000 Sergey Lyapustin Claude Code's terminal flickering was the most upvoted issue for over a year. Anthropic finally shipped CLAUDE_CODE_NO_FLICKER - here's the full story, what it does, and how to enable it. https://slyapustin.com/blog/when-building-is-the-easy-part.html https://slyapustin.com/blog/when-building-is-the-easy-part.html Sun, 29 Mar 2026 00:00:00 +0000 Sergey Lyapustin AI collapsed the cost of building software. When anyone can ship a product in a weekend, what does that mean for engineers? The value is shifting from implementation to strategy, domain expertise, and distribution. https://slyapustin.com/blog/supabase-db-for-ai-agents.html https://slyapustin.com/blog/supabase-db-for-ai-agents.html Sat, 28 Mar 2026 00:00:00 +0000 Sergey Lyapustin Why Supabase is quietly becoming the best database platform for AI agent applications — real-time, vectors, auth, and edge functions in one stack. https://slyapustin.com/blog/building-ai-agents-that-actually-work.html https://slyapustin.com/blog/building-ai-agents-that-actually-work.html Sun, 15 Mar 2026 00:00:00 +0000 Sergey Lyapustin Lessons learned from shipping production AI agents — what the tutorials don't tell you about reliability, cost, and user trust. https://slyapustin.com/blog/rag-is-not-enough.html https://slyapustin.com/blog/rag-is-not-enough.html Tue, 10 Feb 2026 00:00:00 +0000 Sergey Lyapustin RAG got us far, but some problems need more. Exploring fine-tuning, tool use, and hybrid approaches for complex AI systems — and a practical layered architecture that uses the right technique for each query. https://slyapustin.com/blog/the-language-agnostic-engineer.html https://slyapustin.com/blog/the-language-agnostic-engineer.html Thu, 22 Jan 2026 00:00:00 +0000 Sergey Lyapustin Why I stopped identifying with a single programming language and started focusing on outcomes. A case for tools over tribes — and how it changed the way I architect systems.