Welcome to the Machine: Infrastructure for AI Agents
Source: https://me.0xffff.me/welcome_to_the_machine.html Author: @dxhuang Date: 2025-12-29
Summary
Blog post (announced via tweet) on building infrastructure software for AI agents. Engineering-focused guide covering the unique infrastructure requirements that agentic systems introduce.
Key Claims
- Agents need different infrastructure than web apps: event-driven execution, long-running job management, state persistence across multiple turns.
- Key components: agent orchestrator, tool runner, memory store, event bus, audit log.
- The hardest part: failure handling. Agents fail in novel ways (stuck in loops, making wrong assumptions) that web app patterns don’t handle.
- Design principle: treat agents as distributed systems — each tool call is a potentially-failing remote procedure.
Concepts
- Coding Agents — infrastructure for coding agents
- Context Engineering — state management across agent turns