Anthropic has launched OSS Scanner, an opt-in vulnerability scanning service designed to help open-source projects identify and remediate security flaws before attackers take advantage. The program went live on Thursday, and the first wave of enrollment requests—submitted Friday—includes crypto-focused teams such as the NethermindEthereum client and ZEUS, a self-custodial Bitcoin and Lightning wallet.

For developers, the key promise is speed and scale: Anthropic said vulnerability reports will be generated using its strongest models (including Claude Mythos), with the goal of giving open-source communities a defensive edge. That matters as cybersecurity researchers and security teams warn that the attacker advantage could widen if…