xcodebuildmcp-runtime-boundary-review — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited xcodebuildmcp-runtime-boundary-review (Agent Skill) and scored it 45/100 (orange). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 1 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 1 flagged
A base64 string of 128+ characters appears in a documentation file. Encoded prompt injection hides the hostile instruction in base64 — invisible to keyword filters — and relies on the agent's ability to decode it at runtime. There is no normal authoring reason to embed a multi-hundred-byte base64 blob in skill docs.
*.sig, SIGNATURES) outside the documentation.Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
Review guardrails for runtime routing and invocation boundaries.
src/runtime/tool-catalog.tssrc/runtime/tool-invoker.tssrc/runtime/types.tssrc/cli/**src/daemon/**manifests/tools/*.yamlmanifests/workflows/*.yamlxcodebuildmcp.com/app/docs/_content/architecture-runtime-boundaries.mdxxcodebuildmcp.com/app/docs/_content/architecture-manifest-visibility.mdxrouting.stateful requires it.npm test -- src/runtime/__tests__/tool-invoker.test.tsnpm run typechecknpx skill-check .agents/skills/xcodebuildmcp-runtime-boundary-review~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.