--- title: "Lukas (@flexchar) | Hashnode" description: "A developer you can trust. Read the latest articles by Lukas on Hashnode." url: "https://hashnode.com/@flexchar" --- @flexchar # Lukas @flexchar · Copenhagen, DK · Joined September 2023 A developer you can trust. ### [What are the storage and database limits of Claude Artifacts?](https://lukasnotes.dk/what-are-the-storage-and-database-limits-of-claude-artifacts?utm_source=hashnode&utm_medium=feed) How fast are reads and writes? How many files can an artifact store? How big can one document be? 4 min read · [lukasnotes.dk](https://lukasnotes.dk/what-are-the-storage-and-database-limits-of-claude-artifacts?utm_source=hashnode&utm_medium=feed) [Nov 5](https://hashnode.com/posts/what-are-the-storage-and-database-limits-of-claude-artifacts/6aecc7535392adef70081b91) ### [Cowork Sandbox -> ClaudeCode & Codex Laughing at It](https://lukasnotes.dk/cowork-sandbox-claudecode-codex-laughing-at-it?utm_source=hashnode&utm_medium=feed) I tried using Cowork, Claude Code and Codex with the same 2nd-brain folder. The difference I kept running into was what each one let me do with the tools already on my Mac. Intro What do I want? Wel 3 min read · [lukasnotes.dk](https://lukasnotes.dk/cowork-sandbox-claudecode-codex-laughing-at-it?utm_source=hashnode&utm_medium=feed) [5](https://hashnode.com/posts/cowork-sandbox-claudecode-codex-laughing-at-it/6adb5a37699e191b20126ed8) [Oct 23](https://hashnode.com/posts/cowork-sandbox-claudecode-codex-laughing-at-it/6adb5a37699e191b20126ed8) ### [Postgres MCP & Cloudflare MCP Portal is a cheat-code!](https://lukasnotes.dk/postgres-mcp-cloudflare-mcp-portal-is-a-cheat-code?utm_source=hashnode&utm_medium=feed) Why MCP + Cloudflare is a Cheat Code for creative developers 6 min read · [lukasnotes.dk](https://lukasnotes.dk/postgres-mcp-cloudflare-mcp-portal-is-a-cheat-code?utm_source=hashnode&utm_medium=feed) [Jun 26](https://hashnode.com/posts/postgres-mcp-cloudflare-mcp-portal-is-a-cheat-code/6a3e5489a7e8b923918dd415) ### [Building AI Automations with n8n](https://lukasnotes.dk/building-ai-automations-with-n8n?utm_source=hashnode&utm_medium=feed) My humble notes from pioneering the AI Engineer position at the Joe & The Juice company 12 min read · [lukasnotes.dk](https://lukasnotes.dk/building-ai-automations-with-n8n?utm_source=hashnode&utm_medium=feed) [Mar 26](https://hashnode.com/posts/building-ai-automations-with-n8n/69c5068810e664c5da9cb2fc) ### [Why so many girls fall in love with anal sex?](https://howtofuck.app/why-so-many-girls-fall-in-love-with-anal-sex?utm_source=hashnode&utm_medium=feed) It's not what you think. 5 min read · [howtofuck.app](https://howtofuck.app/why-so-many-girls-fall-in-love-with-anal-sex?utm_source=hashnode&utm_medium=feed) [Dec 2, 2025](https://hashnode.com/posts/why-so-many-girls-fall-in-love-with-anal-sex/692f4254c1bc5349bf1e9cb0)