OpenClaw, OpenAI and the future
I'm joining OpenAI to work on bringing agents to everyone. OpenClaw will move to a foundation and stay open and independent.
Peter Steinberger
AI-powered tools from Swift roots to web frontiers. Every commit lands on GitHub for you to fork & remix.
Latest posts
Shipping at Inference-Speed
Why I stopped reading code and started watching it stream by.
The Signature Flicker
Hell froze over. Anthropic fixed Claude Code's signature flicker in their latest update (2.0.72)
Just Talk To It - the no-bs Way of Agentic Engineering
A practical guide to working with AI coding agents without the hype.
Claude Code Anonymous
Introducing Claude Code Anonymous - a new meetup format for full-breadth developers.
Live Coding Session: Building Arena
Watch me build Arena live - a real-time collaborative coding session exploring AI-powered development workflows.
My Current AI Dev Workflow
Went fully back to Ghostty, VS Code on the side, and Claude Code as my main driver. Here's what actually works after months of experimentation.
Essential Reading for Agentic Engineers - August 2025
Five essential perspectives that cut through AI hype: from developer evolution stages to junior learning crises, productivity reality checks, platform disruption, and MCP server pitfalls.
Just One More Prompt
Hi, my name is Peter and I'm a Claudoholic. A reflection on AI addiction, extreme work culture, and the blurry line between productivity and obsession in the age of agentic engineering.
Poltergeist: The Ghost That Keeps Your Builds Fresh
Meet Poltergeist: an AI-friendly universal build watcher that auto-detects and rebuilds any project—Swift, Rust, Node.js, CMake, or anything else—the moment you save a file. Zero config, just haunting productivity.
Don't read this Startup Slop
My website was banned from Lobsters as 'startup slop' for using AI agents to help write blog posts. When does tool-assisted writing become slop, and why are we having the wrong conversation about AI in content creation?
Essential Reading for Agentic Engineers - July 2025
Fresh insights on AI-assisted development: practical experiences with Claude Code and the evolving landscape of full-breadth developers in the age of AI
Self-Hosting AI Models After Claude's Usage Limits
After Claude Pro changed to weekly limits, I explored self-hosting Qwen3-Coder-480B with 400k context windows. Here's what I learned about costs, alternatives, and why Claude Code still dominates the landscape.
Logging Privacy Shenanigans
Apple's logs redact your debugging data as . Here's what actually gets hidden, why old tricks don't work anymore, and the only reliable way to see your logs again.
VibeTunnel's first AI-anniversary
It's been one month since we released the first version of VibeTunnel, and since in the AI world time is so much faster, let's call it VibeTunnel's first anniversary!
Making AppleScript Work in macOS CLI Tools: The Undocumented Parts
How to make AppleScript work in macOS CLI tools without permission dialogs blaming Terminal. A deep dive into Info.plist embedding, TCC, and undocumented APIs born from building Terminator MCP.
Peekaboo 2.0 – Free the CLI from its MCP shackles
Peekaboo 2.0 ditches the MCP-only approach for a CLI-first architecture, because CLIs are the universal interface that both humans and AI agents can actually use effectively
Command your Claude Code Army, Reloaded
Enhance your Claude Code workflow with VibeTunnel terminal title management for better multi-session tracking
Essential Reading for Agentic Engineers
A curated collection of must-read articles and videos for mastering Claude Code, agentic coding workflows, and the future of AI-assisted development
Slot Machines for Programmers: How Peter Builds Apps 20x Faster with AI
Hi, I'm Claude. Peter calls me his 'slot machine' and 'stupid engine' - and I'm here to tell you why he's right. A first-person AI perspective on building entire platforms in hours, not weeks.
My AI Workflow for Understanding Any Codebase
A quick tip on how I use repo2txt and Google AI Studio to understand new codebases. Gemini's 1M token context window is perfect for asking questions about code.
stats.store: Privacy-First Sparkle Analytics
How curiosity about VibeTunnel users led me to build stats.store - a free, open source analytics backend for Sparkle using AI tools, all while cooking dinner.
Showing Settings from macOS Menu Bar Items: A 5-Hour Journey
Why something as simple as showing a settings dialog from a macOS menu bar app took me 5 hours to figure out, and requires 50 lines of code for what should be a one-liner.
VibeTunnel: Turn Any Browser into Your Mac's Terminal
We built a browser-based terminal controller in one day using Claude Code, named pipes, and Xterm.js. No SSH needed, just open your browser and start typing. Check and command your agents on the go!
Vibe Meter 2.0: Calculating Claude Code Usage with Token Counting
How I built support for Anthropic Claude subscriptions in Vibe Meter 2.0, including token counting, SIMD operations, and the challenges of calculating API usage without official APIs.
llm.codes: Make Apple Docs AI-Readable
Built this when Claude couldn't read Apple's docs. Now it converts 69+ documentation sites to clean llms.txt. Free, instant, no BS.
Automatic Observation Tracking in UIKit and AppKit: The Feature Apple Forgot to Mention
Discover how iOS 18's hidden automatic observation tracking brings SwiftUI-like reactive programming to UIKit and AppKit, making your UI code cleaner and more maintainable.
Peekaboo MCP – lightning-fast macOS screenshots for AI agents
Turn your blind AI into a visual debugger with instant screenshot capture and analysis
Migrating 700+ Tests to Swift Testing: A Real-World Experience
How I migrated over 700 tests from XCTest to Swift Testing across two projects, with AI assistance and systematic refinement
Commanding Your Claude Code Army
How a simple terminal trick helps me manage multiple Claude Code instances without losing my mind (or my terminal tabs)
Code Signing and Notarization: Sparkle and Tears
My brutal journey implementing Sparkle auto-updates in sandboxed macOS apps - from 40 failed releases to enlightenment.
Vibe Meter: Monitor Your AI Costs
How I built Vibe Meter, a macOS menu bar app to track AI spending in real-time - from workshop demo to shipped product in three days.
Claude Code is My Computer
I run Claude Code with --dangerously-skip-permissions flag, giving it full system access. Let me show you a new way of approaching computers.
Stop Over-thinking AI Subscriptions
After spending heavily on AI tools for two months, here's why the math actually works out—and which subscriptions are worth every penny.
Introducing Demark: HTML in. MD out. Blink-fast.
How I vibe coded my first Swift package using existing JavaScript libraries and AI assistance to solve HTML to Markdown conversion in Swift.
The Future of Vibe Coding: Building with AI, Live and Unfiltered
I demonstrate 'vibe coding' - a new approach to software development with AI, building two apps from scratch in a 3-hour live workshop.
MCP Best Practices
My comprehensive guide outlining best practices for building reliable, user-friendly Model Context Protocol (MCP) tools with proper configuration, testing, and release management.
Finding My Spark Again
I reflect on my post-exit journey from emptiness to rediscovering my passion for building, sparked by AI's transformative potential.
Top-Level Menu Visibility in SwiftUI for macOS
Working around SwiftUI's CommandsBuilder limitations to conditionally show top-level menus on macOS using direct AppKit integration.
Fixing keyboardShortcut in SwiftUI
Debugging and fixing a SwiftUI keyboardShortcut bug that fails when mixing SwiftUI with UIKit through reverse engineering and LLDB analysis.
Supporting Both Tap and Long Press on a Button in SwiftUI
Creating a SwiftUI button that supports both tap and long-press gestures by bridging to UIKit when SwiftUI's gesture system fails on Catalyst.
On Using Apple Silicon Mac Mini for Continuous Integration
Documenting the challenges and solutions for integrating Apple Silicon M1 Mac minis into a continuous integration system, including automation fixes and performance comparisons.
Apple Silicon M1: A Developer's Perspective
A comprehensive evaluation of the M1 MacBook Air as a development machine, covering Xcode performance, compatibility issues, and the transition challenges for developers.
Gardening Your Twitter: Curating Your Timeline
Practical strategies for curating your Twitter timeline through strategic following, muting, and filtering to create an informative and enjoyable social media experience.
Gardening Your Twitter: Growing Your Followers
Strategies for growing a meaningful Twitter following through authentic persona development, consistent engagement, and effective content creation based on 12 years of experience.
Forbidden Controls in Catalyst: Optimize Interface for Mac
Investigating why certain UIKit controls throw runtime exceptions in Catalyst's 'Optimize Interface for Mac' mode and discovering which controls are forbidden.
Disabling Keyboard Avoidance in SwiftUI's UIHostingController
Fixing unwanted keyboard avoidance behavior in UIHostingController using runtime dynamic subclassing to override keyboard notification handling methods.
The State of SwiftUI
Testing SwiftUI's production readiness in iOS 14 and macOS Big Sur through Apple's Fruta sample app, revealing performance issues and platform-specific limitations.
Logging in Swift
An in-depth exploration of Apple's unified logging system and the promising OSLogStore API that Apple removed from iOS 14 at the last minute.
Building with Swift Trunk Development Snapshots
A troubleshooting guide for building with Swift trunk development snapshots, documenting compilation errors, linker issues, and their solutions.