The answer
LayerOne (DocX + Sign)
Top verified match: it matches your intent, corroborated across multiple registries.
fresh · published 74d ago · verified 2026-08-08tested · static-verifiedsigned passport ✓score 41/100
claude mcp add LayerOne (DocX + Sign) -- npx -y layerone-mcp
Runners-up
- ArtifactGuard Signed AI Deliverable QA41/100 · weaker match