https://mu0.ai/tags/agents/Recent content in Agents on mu0Hugo -- 0.152.2en-usThu, 10 Sep 2026 08:00:00 +1000https://mu0.ai/posts/history-of-the-agent-harness/Thu, 10 Sep 2026 08:00:00 +1000https://mu0.ai/posts/history-of-the-agent-harness/Most of the recent gains in AI agents came from the software wrapped around the model, not the weights. A history of the harness in three stages — the token loop, the static harness, and the harness that improves itself — alongside YC’s own path from a shared bot to a centralised multi-user agent system.