Prime Agent releases an open persistent harness for long-running agent work
Prime Intellect released Prime Agent, an MIT-licensed harness built around a persistent IPython environment, recursive subagents, direct agent-to-agent communication, recoverable daemon-backed sessions, and a Continual Harness that can retain reviewed prompts, memories, skills, and subagent specifications. Its technical report claims ARC-AGI-3 RHAE Best@1 rose from 30% to 95.5% and reports results across coding, GPU kernels, emulation, nanoGPT, and Factorio tasks.
Why it matters: The release makes harness state, recovery, subagent coordination, and resource accounting inspectable instead of hiding them inside one chat loop. It is directly runnable and can help teams separate model limitations from orchestration failures, but…