Author here. Kin replaces Git's file-and-diff model with a graph of semantic entities (functions, types, modules) and their relationships. The graph is the system of record. Files become projections.
The motivation: AI coding agents waste enormous time and tokens reconstructing code structure from files. Kin gives them a graph they can query directly via MCP. Token-budgeted context packs instead of file dumps.
Validated benchmark across 10 popular repos using Codex CLI: 69/70 wins, 50% faster, 45% fewer tokens. Randomized planted artifacts with automatic validation. Full methodology published in the repo.
It's alpha. I ship what works and am transparent about what doesn't yet.