HarborRL Adds Elastic Scaling and SSH-Free Deployment for Agentic RL

·2026.11.14 14:42

Key point

The November 2026 update introduces elastic gateway scaling, HTTP-based worker task pulling, and a shared Slime-based training pipeline for mathematical reasoning.

Details

  • HarborRL, an open-source framework for agentic reinforcement learning, released a November 2026 update focused on simplifying distributed training and deployment.
  • New elastic gateway scaling features include static routing, automatic multi-machine scaling, and automatic retirement of idle resources to improve utilization.
  • A new Hub deployment mode allows worker nodes to pull tasks over HTTP, enabling distributed execution without cross-machine SSH access, even in firewall-restricted environments.
  • Multiple RL algorithms are now integrated into a shared Slime-based training pipeline, validated on mathematical reasoning tasks to reduce configuration engineering effort.
  • The project is available on GitHub under the MIT license.

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