Vrin.cloud

Knowledge-graph RAG library for multi-hop QA — iterative retrieve-and-reason (IRCoT), graph retrieval, and cross-document enrichment at ingest. Production retrieval pipeline in Python.

An open reinforcement-learning (RL) environment that trains LLM agents to use the current fact, not the stale one — verifiable reward for temporal fact-currency, built on verifiers / prime-rl (GRPO, LoRA).

Ambient Vrin retrieval for Claude Code — fires on strategic/architectural questions via the vrin CLI

Files related to benchmark testing for Vrin