Effective harnesses for long-running agents

by Anthropic

Harness design for agents that work across many context windows.

This article addresses continuity when an agent's work spans multiple context windows. It focuses attention on the surrounding execution setup rather than assuming a larger prompt will solve persistence problems.

Level: Advanced
Models: claude
Category: Agents and harnesses
Tags: harness
Source date: 2025-11-26
Added: 2026-10-18
Last verified: 2026-10-18
Status: ok

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