ChainStrip: Hardening npm Supply Chain by Stripping Unused Dependencies

ctjlewis · x · 2026-08-01

ChainStrip offers a new approach to npm supply-chain security by not shipping vulnerable code. It rebuilds the dependency tree into the smallest provably safe surface, cutting proven-dead code entirely. In a real-world open-source test, it successfully eliminated or marked 56 out of 75 security advisories as 'not shipped'.

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