Hypathesis

This hooks into Hypathesis to pull structured relationship data between variables extracted from academic papers. You get causal directions (does X cause Y or is it just correlated) and can trace findings back to their source publications. Reach for this when you're building research tools, doing literature reviews programmatically, or need to map out what the evidence actually says about relationships between concepts. The streamable HTTP transport means you can query it without managing local state, just fire requests at their endpoint when you need to verify claims or explore causal chains in published research.