"Multi-platform information search across productivity and knowledge tools" matching MCP servers:

A local MCP server that provides LLM clients with read/write access to email and calendar data from Gmail, iCloud, and generic IMAP providers. It runs entirely on your machine, keeping data private while enabling email management, calendar operations, and task handling through natural language.

Connects Claude Code to Apple Mail, Calendar, and Reminders through macOS automation APIs, enabling management of emails, events, and reminders via natural language.

Connect multiple Gmail accounts to any MCP client, enabling search, read, draft, send, label, and organize mail across unlimited accounts with local-only OAuth token storage.

Enables simultaneous management of multiple Gmail accounts through MCP, allowing per-account reads and writes with verified labels and parallel search across all mailboxes.

Enables safe, multi-account Gmail and Microsoft 365 operations with explicit aliases, including searching, reading, drafting, archiving, labels/categories, and human-reviewed sending via a localhost approval window.

Enables interacting with Gmail and Google Calendar across multiple Google accounts, allowing email search, thread retrieval, draft creation, label management, and calendar event viewing, creation, and updating through natural language.

Enables connecting and searching multiple Gmail or Google Workspace accounts via friendly aliases, with read-only access and source mailbox attribution for each result.

MCP server that gives an AI assistant simultaneous access to multiple Gmail accounts with per-account read-only, draft, or send tiers, two-phase write confirmation, and safeguards for handling untrusted email content.

Local-first MCP server for agents that need to work across multiple Gmail and Microsoft 365 accounts without cloud token storage.

Enables local Windows file management with allowlisted folder access and integration with Outlook Classic or Microsoft 365 email for AI assistants like Claude Desktop.

A Gmail MCP server with native multi-account support, enabling management of multiple Gmail accounts from a single server instance.

Enables multi-account Gmail and Google Calendar access through MCP, allowing operations across multiple Google accounts with a single tool call.

Enables searching and summarizing emails across multiple Gmail accounts simultaneously through Claude.

Lets Claude Desktop manage multiple Gmail accounts simultaneously, supporting search, read, send, reply, and label organization via MCP tools.

MCP server exposing multiple Google Workspace Gmail accounts to Claude, with support for verified send-as aliases and opt-in sending.

Enables Claude to access and manage multiple Google accounts at once across Gmail, Calendar, Drive, Contacts, and Tasks, with unified search and document text extraction.

A local-first MCP server for managing multiple Gmail accounts with separate OAuth grants, supporting search, retrieval, labels, drafts, and attachments while deferring direct send and destructive actions for safety.

Enables local, read-only access to multiple Gmail and Google Drive accounts through explicit per-account aliases, using bring-your-own Google OAuth with secure credential storage and no telemetry or write capabilities.

Connects AI assistants to one or more Zoho Mail accounts, enabling read, send, search, reply, and delete operations directly from an AI workflow. Multiple mailboxes can run from a single lightweight process to reduce memory usage.

An MCP server that provides read, label, and draft access to multiple Gmail accounts from a single server, never sending email.