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Peter Steinberger 🦞
Builder

Peter Steinberger 🦞

Index Rank25
@steipete

10 Tools · 6 Intel

Peter Steinberger is an Austrian software developer who studied at the Vienna University of Technology and became one of the iOS platform's earliest builders. In 2011 he bootstrapped PSPDFKit, the PDF framework that went on to power document features across nearly a billion devices — reaching $116M in outside funding before he stepped back. After recovering from burnout, he returned to coding in the AI era and in February 2026 joined OpenAI, where he works on agentic engineering.

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Tools

CodexBar(github.com/steipete/codexbar)

macOS menu bar app showing usage meters and reset countdowns for Codex, Claude, Cursor, and other AI coding tools.

Developer ToolsOpen SourceCLI Tools★ 21.1kMITbuilt by @steipete
Peekaboo(github.com/steipete/peekaboo)

macOS CLI and MCP server that lets AI agents capture screenshots and automate GUI interactions.

AI AgentsOpen SourcePlatforms★ 5.1kMITbuilt by @steipete
ClawSweeper(github.com/openclaw/clawsweeper)

GitHub bot that reviews open issues and pull requests, closing stale or already-implemented ones on strong evidence.

Developer ToolsOpen SourcePlatforms★ 2.0kMITbuilt by @steipete
wacli(github.com/steipete/wacli)

Syncs WhatsApp history to your machine for offline search and sends messages from the terminal.

Developer ToolsOpen SourceCLI Tools★ 2.7kMITbuilt by @steipete
summarize(summarize.sh)

CLI and Chrome extension that summarizes URLs, PDFs, video, and audio using local or cloud AI models.

AI ToolsOpen Source★ 6.6kMITbuilt by steipete
imsg(github.com/steipete/imsg)

macOS command-line tool that scripts Messages.app to send, receive, and stream iMessages and SMS for automation.

Developer ToolsOpen SourceCLI Tools★ 1.3kMITbuilt by @steipete
Trimmy(github.com/steipete/trimmy)

macOS menu bar utility that flattens multi-line shell commands from the clipboard so they paste and run correctly.

Developer ToolsOpen SourceCLI Tools★ 744MITbuilt by @steipete
Agent Scripts(github.com/steipete/agent-scripts)

Shared skills, agent rules, and helper scripts synced across machines for Codex and Claude Code.

AI AgentsOpen SourceSkills★ 6.6kMITbuilt by @steipete
Nameplate(nameplate.sh)

Overlays colored frames and name tags on Mac, Windows, and Linux machines so admins can tell fleet machines apart.

Developer ToolsOpen SourceCLI Tools★ 65MITbuilt by @steipete
sag(sag.sh)

Command-line text-to-speech in the style of macOS say, using ElevenLabs voices with streaming playback and file output.

Developer ToolsOpen SourceCLI Toolsbuilt by @steipete

Intel

5.6 Terra high is underrated.(x.com)

Peter Steinberger finds 5.6 Terra high underrated after switching his GitHub review bot to it: about 40% faster with negligible quality loss, better than 5.5 across the board, and far cheaper.

Otherbuilt by @steipete
It's both amazing and painful to watch codex use browser + computer use to open…(x.com)

Peter Steinberger watches Codex drive a browser to upload an image to a GitHub PR comment by hand, because there is no API for it, and runs his agents in VMs so they stop stealing app focus.

Otherbuilt by @steipete
I gave codex a video-enabled remote KVM so it can automate e2e test the…(x.com)

Peter Steinberger gives Codex a video-enabled remote KVM to end-to-end test OpenClaw's iMessage integration, since iMessage is unreliable in VMs and read receipts require SIP disabled.

Otherbuilt by @steipete
"Do a full end-to-end QA test of OpenClaw with live API keys.(x.com)

Peter Steinberger's prompt for a full end-to-end QA of OpenClaw: twelve subagents splitting functionality across dev gateways and worktrees, a goal of 200 bugs, root-cause fixes only, and a continuously updated markdown test report.

Otherbuilt by @steipete
Astra's early users report it patching upstream deps, not just local code(x.com)

A practitioner's early-access account of OpenAI's GPT-6 Astra, reporting that the agent chased failures out of the local codebase and into dependencies, producing patches against vitest, tsx and SwiftPM. Useful as a first signal of how far its debugging autonomy reaches.

AI Agentsbuilt by @steipete
camsnap: a CLI that hands an agent live camera frames(github.com)

A Go CLI that saves cameras by name, then captures snapshots and short clips from RTSP/ONVIF devices and local webcams, discovers ONVIF hosts on the network, runs health checks, and fires shell actions on motion. Homebrew install pulls ffmpeg; Windows builds cover network cameras only.

Developer Toolsbuilt by @steipete