Paper Navigator Find and read academic papers. Route by intent , judge by author-graded rubric . The agent does relevance judgment — no LLM-as-judge is called. You author the rubric, you triage each paper, you sort. Setup Scripts at . Run via . | Env var | Used by | Notes | |---|---|---| | | All S2 scripts | Without it: falls back to arXiv; / / are disabled | | | | Free tier works without key | | | , | Higher rate limits | | | full text | No default — set or pass | Full env-var list: . --- Five Red Lines (always) 1. Track history. Don't re-run a query you already ran. Empty result → change an…