Harness

4 resources

• Equipping agents for the real world with Agent Skills

  by Anthropic

  Packaging instructions and scripts as loadable skills.

  Intermediate · claude · 2025-10-16

• OpenAI Agents SDK

  by OpenAI

  Lightweight framework: handoffs, guardrails, tracing.

  Intermediate · gpt · date not stated

• Effective harnesses for long-running agents

  by Anthropic

  Harness design for agents that work across many context windows.

  Advanced · claude · 2025-11-26

• OpenHands

  by OpenHands (All Hands AI)

  Open-source coding-agent platform worth reading as a reference harness.

  Advanced · any · date not stated