Documentation • Verifiers • PRIME-RL • pi-mono Prime Agent is an open-source coding and research agent for general and long-running work. It is designed around two core abstractions: - The Recursive Language Model (RLM) treats context as variables (prompt-as-a-variable) and tools like recursive subagents as function calls (programmatic tool /sub-agent calling) inside a persistent REPL. - The Continual Harness stores supplemental prompts, memories, skill descriptions, and reusable subagent specifications as durable state that Prime Agent can refine through small, evidence-backed updates, local