Mateusz KiersnowskiPersonal blog of Mateusz Kiersnowski. I write about software development, technology, and my personal projects.https://kiersnowski.dev/Building a local RAG over my Notion noteshttps://kiersnowski.dev/posts/personal-notion-rag/https://kiersnowski.dev/posts/personal-notion-rag/A small weekend project — a local, private RAG over my Notion notes, exposed to Claude Code as an MCP server.Sun, 17 May 2026 18:00:00 GMTKeeping dependencies up to date with Renovatehttps://kiersnowski.dev/posts/renovate/https://kiersnowski.dev/posts/renovate/A quick guide on how to setup Renovate on self-hosted GitLab instance for automatic dependency updates.Sat, 15 Nov 2025 21:58:11 GMTWhy I'm Finally Taking Data Structures and Algorithms Seriouslyhttps://kiersnowski.dev/posts/dsa-seriously/https://kiersnowski.dev/posts/dsa-seriously/Why I'm finally taking data structures and algorithms seriously.Wed, 02 Jul 2025 16:08:11 GMTGetting familiar with frontend developmenthttps://kiersnowski.dev/posts/getting-familiar-with-frontend-development/https://kiersnowski.dev/posts/getting-familiar-with-frontend-development/Recently, I have been learning about frontend development.Fri, 09 May 2025 20:52:11 GMT