Best Alternatives to Grounders MCP

Google Workspace

Runtime: npx

Give AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven

Better Workspace MCP

Runtime: npx

Google Workspace MCP for Docs, Drive, Calendar, Gmail, Sheets, Slides, Tasks, Chat, People, Forms

MCP fork of Google Workspace CLI

Runtime: npx

MCP fork of Google Workspace CLI (Gmail, Drive, Calendar, and more)

Multi Gmail MCP

Runtime: Remote (SSE)

Manage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.

Outlook MCP

Runtime: uvx

Microsoft Outlook personal accounts: mail, calendar, contacts, to-do, drafts (51 tools).

AI-powered medical document management for cancer patients. Google Drive, Gmail, Calendar via MCP.

Outlook MCP

Runtime: npx

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

ScopeGate

Runtime: Remote (SSE)

Granular permission gateway for MCP agents. Per-agent scopes for Google Drive, Gmail, Calendar.

Permissioned access to Gmail, Drive and Calendar via the user's own Google account

Line Bot MCP Server

Runtime: npx

Verified

Connects an AI agent to LINE Messaging API for messaging, user profiles, quotas, followers, and rich-menu management.

Local-first, read-only MCP server for recall over your Gmail: search, contacts, threads, digests.

Gws Connector

Runtime: npx

Multi-account Google Workspace MCP — Gmail, Calendar, Drive, Sheets, Docs with smart routing.