From infrastructure
to AI for rest of us.
Astrolabe binaries can now update themselves
Astrolabe is a declarative macOS configuration framework. You describe the desired state of a machine in Swift — packages, services, system settings, and related setup work — and Astrolabe keeps the machine moving toward that state over time. This update adds a built-in way for the Astrolabe binary itself to update after it has been installed.
Spectrum 1.6: Designed for building Agents
Spectrum 1.6 is a fundamental redesign. We collapsed the entire platform surface from seven action methods down to two primitives — an input stream and an output dispatcher — because Spectrum is a tool for building agents, and the old surface did not reflect what agents actually are.
Introducing Terminal UI for agent developing and testing
Spectrum’s terminal provider now runs a fully asynchronous chat UI in your terminal, with support for reactions, replies, and inline image rendering. Test agents without leaving your editor.
Why We LeetCode Every Engineer, And Why It Matters More in the Age of Agents
The developer world has decided LeetCode is dead. AI can solve any hard problem in seconds. Grinding algorithms is a hazing ritual from a bygone era. We have heard the arguments. We disagree — and we are doubling down.
At Photon, every engineering hire goes through a live LeetCode interview. Not because we are nostalgic. Because we are testing for one specific thing that matters more now than it ever has: the ability to find the meta.
Introducing Spectrum: Agents for the rest of us
Agents are powerful, but they are stuck behind dashboards and apps most people will never use. Spectrum is an open-source SDK and cloud platform that connects your agents to iMessage, WhatsApp, Telegram, and the messaging interfaces where human life already happens.
We Found a Ticking Time Bomb in macOS TCP Networking - It Detonates After Exactly 49 Days
Every Mac has a hidden expiration date. After exactly 49 days, 17 hours, 2 minutes, and 47 seconds of continuous uptime, a 32-bit unsigned integer overflow in Apple's XNU kernel freezes the internal TCP timestamp clock. Once frozen, TIME_WAIT connections never expire, ephemeral ports slowly exhaust, and eventually no new TCP connections can be established at all. ICMP (ping) keeps working. Everything else dies. The only fix most people know is a reboot. We discovered this bug on our iMessage service monitoring fleet, reproduced it live on two machines, and traced the root cause to a single comparison in the XNU kernel source. This is the full story.
How MimiClaw Put a Pocket AI Assistant on iMessage
MimiClaw built a personal AI assistant that runs on a $5 chip. With Photon, it now lives natively in iMessage - the app 1.3 billion people already text from every day.