MCP & Data
Corpus Setup Guide
Query an entire corpus at once with GraphRAG, Neo4j, and global search for the cross-document questions regular vector RAG can't answer.
Published June 2026
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Ask a standard vector RAG system to connect the dots across ten thousand documents and it fails. It retrieves a few semantically similar chunks. It cannot see the whole corpus at once. GraphRAG with Neo4j and global search mode builds community summaries over the entire corpus, so it can answer the cross-document questions regular RAG never could.
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