https://knowra.app/2026-10-31 https://knowra.app/mcp2026-10-31 https://knowra.app/pricing2026-10-31 https://knowra.app/privacy2026-10-31 https://knowra.app/terms2026-10-31 https://knowra.app/guides2026-11-04 https://knowra.app/guides/arxiv-mcp-server2026-11-04 https://knowra.app/guides/claude-arxiv2026-11-04 https://knowra.app/guides/chatgpt-arxiv2026-11-04 https://knowra.app/guides/arxiv-search-by-date2026-11-04 https://knowra.app/guides/arxiv-new-papers-today2026-11-04