The answer
io.github.grulex/grpc-invoke-mcp
Top verified match: it matches your intent, corroborated across multiple registries.
fresh · published 50d ago · verified 2026-07-18tested · static-verifiedsigned passport ✓score 41/100
claude mcp add grpc-invoke-mcp -- npx -y @grulex/grpc-invoke-mcp
Runners-up
- gRPC Invoke MCPnot yet verified8/100 · weaker match