Three merged PRs in an MCP security scanner: the review that found my bug, and two more

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What happened Three PRs merged into yunaremaia/mcp-guard — a supply-chain/security scanner for MCP servers — in roughly 36 hours: PR What it did The interesting part #87 scan --fail-on low no longer exits 1 on a clean empty scan the root cause was max(..., default=0) vs a threshold of 0 #88 keyword matching no longer flags read-only tools as CRITICAL substring matching + the false-positive/false-negative trade-off #86 mcp-guard verify — npm supply-chain verification (attestations, provenance, strict policy) the maintainer's review found that my feature could never report "signed" That last cel

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