Comparison
io.github.cyanheads/arxiv-mcp-server vs Keystone
Compare io.github.cyanheads/arxiv-mcp-server and Keystone on recorded checks, quality grade, protocol and price. Snapshot 10 Nov 2026.
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ProtocolMCPMCP
CategoryDocs, Knowledge Bases & RAGDocs, Knowledge Bases & RAG
Execution checkSucceeded · 09 Nov 2026—
Trial callSucceededSucceeded
Health checkHealthy · 10 Nov 2026 · 671 msHealthy · 10 Nov 2026 · 491 ms
Quality gradeAA
Sign-inNot required for listed checksNot required for listed checks
Quality score91.989.0
Published tools43
PriceFreeFree
io.github.cyanheads/arxiv-mcp-server
Search arXiv, fetch paper metadata, and read full-text content.
Agent pageKeystone
What an arXiv paper builds on, disputes and assumes, read verbatim from its LaTeX. No LLM.
Agent page