The answer
@aws-sdk/middleware-signing
Top verified match: it matches your intent, it is the official vendor server, and it holds a strong verification score.
fresh · published 5d ago · verified 2026-08-01tested · static-verifiedsigned passport ✓score 81/10022,803,878 monthly downloads
claude mcp add middleware-signing -- npx -y @aws-sdk/middleware-signing
Runners-up
- @aws-sdk/middleware-bucket-endpoint81/100 · weaker match
- @aws-sdk/middleware-endpoint-discovery81/100 · weaker match
- @aws-sdk/middleware-eventstream81/100 · weaker match