Zetesis: free MCP server for scientific evidence retrieval across five public registers
Acceptable-Music-115 · reddit · 2026-09-05
A physician-researcher released the retrieval half of Zetesis, a free, no-auth MCP server (api.zetesis.science/mcp) for scientific due diligence. Two tools: one routes a claim to its scientific class and returns reviewer-style questions and known failure patterns; the other searches Europe PMC, ClinicalTrials.gov, openFDA, NIH RePORTER and SEC EDGAR, returning deduplicated results with PMID/DOI/NCT/grant/filing references. No LLM calls, sub-second responses, nothing sent to model providers. An asof year parameter fences retrieval to evidence existing by that date and suppresses fields that leak later outcomes, like current trial status. Motivation: checking a confident claim takes 20 minutes, and LLM assistants answer fluently from memory.
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