2 / 268

Ask HN: AI Agents vs. Gateways vs. Harnesses

TL;DR

A Hacker News thread calls out the messy terminology in the AI agents ecosystem and proposes a cleaner taxonomy.

Key Points

  • The core complaint: almost everything gets labeled 'Agent', even products that only implement one narrow slice of the stack.
  • The thread explores whether terms like 'Orchestrator' or 'Runner' would be more precise and where the real architectural boundaries sit.

Nauti's Take

The thread is symptomatic of a broader problem: the AI industry names things for marketing value, not technical function, then acts surprised when nobody can orient themselves. The proposed three-way split – Harness / Gateway / Sandbox – is pragmatic and immediately useful, even if still rough around the edges.

What it misses is a dedicated category for true orchestration logic: the layer that coordinates multiple agents, manages state, and handles failures. Frameworks like LangGraph or Temporal belong there but barely get a mention.

Until the industry converges on shared vocabulary, the only fix is doing your own layer-by-layer audit before buying into any 'agent' platform.

Sources