Google Workspace MCP — MCP Servers (9.6/10)

taylorwilsdon/google_workspace_mcp is the most feature-complete Google Workspace MCP server in the open-source ecosystem. It supports OAuth 2.0/2.1 with multi-user bearer tokens, service-account delegation, three tool tiers for scoped deployments, and stateless container mode for cloud hosting. All credentials stay inside the operator's environment and there is no telemetry.