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Dev.to
5/12/2026
I Burned a Month's AI Budget in a Week — So I Built a Code Graph

I Burned a Month's AI Budget in a Week — So I Built a Code Graph

Short summary

AI API costs spike when tools dump entire code files as context. Nexus-Graph solves this by parsing your codebase into a directed symbol graph and serving token-budgeted context via MCP—the protocol Claude Code and Cursor speak natively. The result: 70% fewer tokens per query, 5–10x smaller context, and sub-100ms response times on large codebases.

  • Inefficient file-based code retrieval inflates AI API costs (the "Confusion Tax")
  • Graph-based symbol traversal provides surgical context vs. whole-file dumps
  • Achieves 70% token reduction with sub-100ms queries; MIT licensed and npm-installable

Generated with AI, which can make mistakes.

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