Pattern: Deterministic Codebase Graphs Are Being Sold as Context Reduction, Not Search

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Three repos now pitch an AST-derived graph of your codebase specifically to cut how much an agent reads: Graphify-Labs/graphify at 108,539 stars (created April 2026, last push 2026-08-19) advertises "local deterministic AST parsing, every edge explained, no vector store", tirth8205/code-review-graph at 30,611 stars claims "benchmarked context reductions on reviews", and VectifyAI/PageIndex at 35,263 stars markets "vectorless, reasoning-based RAG". Star counts verified against the GitHub API. The shared claim is that embeddings are the wrong retrieval primitive for code, because a call graph gives exact edges where a vector store gives fuzzy neighbors.