InfoQ - Model - News https://www.infoq.com InfoQ Model News feed Anthropic Designs Three-Agent Harness Supports Long-Running Full-Stack AI Development https://www.infoq.com/news/2026/04/anthropic-three-agent-harness-ai/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Model-news <img src="https://res.infoq.com/news/2026/04/anthropic-three-agent-harness-ai/en/headerimage/generatedHeaderImage-1774590768994.jpg"/><p>Anthropic introduces a three-agent harness separating planning, generation, and evaluation to improve long-running autonomous AI workflows for frontend and full-stack development. Industry commentary highlights structured approaches, iterative evaluation, and practical methods to maintain coherence and quality over multi-hour AI coding sessions.</p> <i>By Leela Kumili</i> autonomous Model Context Protocol (MCP) AI Architecture Software Engineering Agents Model Workflow / BPM Front-end Orchestration SDK AI, ML & Data Engineering Development Architecture & Design news Sat, 04 Apr 2026 14:24:00 GMT https://www.infoq.com/news/2026/04/anthropic-three-agent-harness-ai/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Model-news Leela Kumili 2026-04-04T14:24:00Z /news/2026/04/anthropic-three-agent-harness-ai/en