What Is Agent Harness?
4.9BRAINROT SCOREAgent Harness The concrete software wrapper — tool definitions, permission scopes, retry and logging logic — that surrounds an AI agent and mediates every action it takes, the physical output of harness engineering.
Origin:Named as agent-building matured enough to treat this wrapper as its own reusable artifact, separate from any single agent's prompt or the model powering it.
First Seen:2025
Peak Era:2026 (AI Coding)
Aura Impact:+1 Aura (An Agent Harness Reusable Across Multiple Different Agents) / -1 Aura (An Agent Harness So Brittle One Tool Change Breaks Everything)
EXAMPLE USAGE
"Built one solid agent harness, now every new agent just plugs into it."
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