Unix solved this satisfactorily in 1971. We took two days to figure that out.
A tangent about macOS agent users reminded us that the Unix multi-user model has been solving user isolation for over 50 years.
Author: Martin Treiber
Unix Already Solved Agent Isolation
Why are we buying hardware for a problem the operating system handles?Operating systems like Unix have had multi-user isolation since the 1970s.
Skills Are Harness Engineering You Can Do in a Markdown File
A skill is a packaged set of instructions that gets injected into a context when it is relevant. In its simplest form, it is a SKILL.md file.
The Agent Harness: Everything Except the Model
Harness.is everything in an AI agent that is not the model itself.:"If you're not the model, you're the harness."
tmux as Agent Habitat
tmux is a terminal multiplexer built for humans managing remote servers. It splits a terminal into panes, keeps sessions alive across disconnections, and…
Agents Addressing Agents
Multi-agent communication is an active design space. Google shipped A2A as a dedicated agent-to-agent protocol.
mcpx: Because MCP Servers Shouldn’t Require a PhD in Protocol Plumbing
The Model Context Protocol has won. Since Anthropic open-sourced it in late 2024, MCP has grown to 97 million monthly SDK downloads, over 10,000 active…
The KV Cache – The Hidden Bottleneck Holding Back Local AI
Everyone is talking about running large language models on laptops. Almost nobody is talking about why those models run out of memory halfway through a…
The Bootstrapping Has Begun
Every frontier AI lab is now using its own models to build the next version of itself. The bootstrapping of the self improvement loop has begun and is…
Your PM Shouldn’t Be a Project Document Processor
Every project manager I know spends the first few days of a new project doing the same thing: reading through a stack of documents and manually…