Code graph saves 80% tokens over grep for agent queries
coding-os · reddit · 2026-08-25
A benchmark comparing precomputed code graphs (via MCP) against grep-then-read for agent code queries across 4 public repos. Results show 75-82% token savings for reference lookups and rename planning on three repos. While 3-hop impact queries varied, the graph provides completeness flags to avoid truncation errors. The tool is open-source under Apache-2.0.
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