Hi, I'm Radek.
⚡ I build AI agent systems and help companies implement AI that works in practice
🎬 I make YouTube videos about AI workflows, agent architecture, and practical automation
Articles
20 most recent articles
- Grok Bot after 67 real jobs: what worked, what broke
- Why personal iPhone apps are finally worth building
- One bored voice: how I rebuilt the Polish lektor with the technology he inspired
- OpenClaw Memory Masterclass: The complete guide to agent memory that survives
- 50 days with OpenClaw: The hype, the reality and what actually broke
- Stop overpaying for OpenClaw: Multi-model routing guide
- Compound Engineering: the AI coding workflow that actually learns
- Data analysis with Claude Code: 500,000 rows without writing code
- ClawdBot: The self-hosted AI that Siri should have been
- Stop prompting Claude Code - let it interview you
- Building a Large Language Model from scratch: A learning journey
- Banana Straightener: AI image generation that actually gets it right
- Why do AI company logos look like buttholes?
- My AI agents journey
- 12 challenges in 12 months. Again.
- SummerIce: A Simple solution for information overload
- EIP-3074 - Pass the AUTH, please!
- ERC-1271 - Now smart contracts can sign transactions too!
- ERC-4337 - It's all about Account Abstraction
- What are Ethereum Standards - EIPs, ERCs, RIPs, CAIPs
TIL (Today I Learned)
10 most recent TILs
- TIL: Your Mac keeps a secret log of everything you do, and you can ask it questions
- TIL: .git/info/exclude - ignore files without touching .gitignore
- TIL: Disable terminal sounds in Cursor
- TIL: How to stop Claude Code from adding itself as co-author and contributor in GitHub
- TIL: Get a sound notification in Claude Code when a task is complete
- TIL: MacOS keyboard shortcut to show hidden files: Command + Shift + .
- TIL: Ponzo illusion
- TIL: Euro banknotes had fictional bridges on them in 2002, when issued. After 10 years, they were not fictional anymore.
- TIL: Cleopatra lived closer to the moon landing than to the Great Pyramid of Giza
- TIL: There is considerable overlap between the intelligence of the smartest bears and the dumbest tourists
Featured works
Some of my videos, articles, talks, and other creative endeavours outside of VelvetShark.com
Showing 66 works
- Grok Bot after 67 real jobs: what worked, what brokeA practical breakdown of Grok Bot after using it for 67 real jobs, including what held up and what failed.
- The LektorAn homage to the Polish lektor, rebuilt with ElevenLabs. Upload a clip and hear it dubbed in the classic style.
- I put an AI-built app on my iPhone without publishing itHow to get an AI-built app running on an iPhone without going through App Store publishing.
- I gave an AI agent the keys to my life (here's what happened)A talk from AI Engineer about giving an AI agent access to everyday workflows and what happened in practice.
- Why your OpenClaw agent forgets everything (and how to fix it)The definitive guide to OpenClaw memory - how it works, why it breaks, and how to build a system that actually remembers.
- 50 days with OpenClaw: The hype, the reality & what actually brokeDeep dive into 50 days of running OpenClaw - what worked, what didn't, and what actually broke along the way.
- I cut my OpenClaw API bill by 80% with one config changeHow smart model routing dramatically reduced API costs without sacrificing quality.
- OpenClaw API costs calculatorConfigure your OpenClaw models and see API savings you could have.
- OpenClaw (Clawdbot) use cases: 9 automations + 4 wild builds that actually workShowcasing real automations and creative builds people are doing with OpenClaw.
- Compound Engineering: the AI coding workflow that actually learnsA coding workflow where AI agents learn from mistakes and compound their effectiveness over time.
- Claude Code for data analysis: 500,000 rows without writing codeUsing Claude Code to analyze large datasets without writing a single line of code.
- ClawdBot (OpenClaw): The self-hosted AI that Siri should have been (Full setup)Complete setup guide for OpenClaw - a self-hosted AI assistant that connects to your life.
- Stop prompting Claude Code - let it interview you (the "spec" workflow)A better way to use Claude Code: let it ask you questions instead of writing long prompts.
- ClawdiverseA community-powered collection of creative OpenClaw use cases
- BallRewindRecent NBA games ranked by watchability. Zero spoilers.
- Banana StraightenerSelf-correcting image generation for Gemini's Nano Banana model
- Live Translation - meme generatorGenerate memes with Apple's Live Translation feature. 'What was said' → 'What was actually meant'
- GitPing - never miss an important releaseGet instant notifications when your favorite GitHub repositories release new versions. Stay updated on the tools and libraries you depend on.
- ModelArena.aiCompare AI Models side by side. Get summarized insights.
- TimeSnap: Daily Photo Journal (iPhone app)Mobile app that helps you build a unique visual diary. Just take a photo every day at the same time, e.g. at 3:14 PM, making it your Pi O'Clock app.
- ShhhhAI hackathon project: A storytelling agent that keeps your kid engaged without turning their brain into mush, puts them in a driver's seat of the story and teaches them a valuable lesson.
- quickcast.devYour guide to mastering Foundry's cast command-line tool. Documentation, examples, browser-based execution.
- How to use SummerIce to summarize any article (free Chrome extension)Demo and explanation of a Chrome extension that summarizes articles that I made for myself and then published for everyone to use.
- EIP.directory - your place for all Ethereum proposals: EIPs, ERCs, CAIPs, RIPsLaunch video, demo, and explanation of the project
- EIP.directoryA directory of important, noteworthy, interesting EIPs, with explanations
- Magic MakerFarcaster Frame to create custom fairy tales
- SummerIce ☀️🧊 - Page SummarizerChrome extension to summarize articles in one click
- ApeFitAward-winning ETHGlobal Istanbul hackathon project (team of 5, 3 awards won)
Want to work together? I help companies build AI agent systems, automated workflows, and data pipelines. Drop me an email at [email protected]
Books
10 most recently read books
- Trust - Hernan DiazSep 2026
- We Are Legion (We Are Bob) - Dennis E. TaylorSep 2026
- Crossing to Safety - Wallace StegnerSep 2026
- Lonesome Dove - Larry McMurtryAug 2026
- Permutation City - Greg EganAug 2026
- The Bonfire of the Vanities - Tom WolfeAug 2026
- Say Nothing: A True Story of Murder and Memory in Northern Ireland - Patrick Radden KeefeJun 2026
- Wellness - Nathan HillJun 2026
- Pachinko - Min Jin LeeMay 2026
- Normal People - Sally RooneyApr 2026
If you like what you see, you'll find more stuff like this on my Twitter.
