"National Rail" matching MCP servers:

Enables AI agents to read and send email, handle attachments and manage calendar invitations through their own IMAP/SMTP mailboxes, with per-mailbox sender and recipient allow lists and automatic HTML-to-Markdown conversion. It runs as a single self-hosted Docker container, exposing the same tools over MCP and REST.

Provides Japanese business day calculations: add or subtract business days, count between dates, check whether a date is a business day, and reverse-calculate deadlines. Handles national holidays and year-end periods fully offline with no API keys required.

Provides Japanese national holidays, wareki (era) conversion, and date information. Works fully offline with no API keys required.

MCP server for corporate Exchange that provides access to email, calendar, and people directory via OWA JSON API.

Enables LLM agents to autonomously manage email via IMAP/SMTP, including reading, searching, drafting, sending, triaging, calendar event extraction, and secure attachment handling with zero-trust antivirus scanning.

Enables full read/write control over Apple Mail.app and Calendar.app on macOS, exposing all configured accounts without per-provider setup.

A local MCP server that connects Codex to Microsoft Graph and Gmail for reading and managing personal mail and calendar accounts.

Enables access to iCloud mail, calendars, and contacts over MCP through IMAP/SMTP, CalDAV, and CardDAV, with configurable read/write and deletion permissions.

A self-hosted MCP server for managing email, calendar, and cloud storage across Microsoft 365, Google Workspace, and IMAP accounts, enabling natural language interaction through any MCP client.

Enables reading, searching, sending, and organizing email plus managing calendar events and finding free slots across multiple IMAP/SMTP/CalDAV accounts, letting users work with any RFC-compliant mailbox or their own self-hosted server through natural language.

A local server that lets Claude Desktop or Claude Code read, search, triage and draft messages, view and add calendar events, and look up or create contacts, all signing in with a single Apple app-specific password. It defaults to drafting rather than sending and offers a read-only mode, plus recipient allowlists, so nothing changes or leaves your account unless you explicitly allow it.

Enables Claude to read, search, send, and organize email over IMAP/SMTP and to manage calendars over CalDAV, including finding free slots and creating events, across multiple self-hosted accounts behind one authenticated endpoint.

Enables an AI assistant to read, search, triage and send mail, manage calendars and browse, write and organize notes by driving the Mail, Calendar and Notes apps already on a Mac, with no dependencies, no network code and only two permission prompts.

Local MCP server for reading/sending email via Gmail and managing Google Calendar events, enabling an AI agent to handle email and calendar operations through natural language.

Enables AI agents to access multiple Gmail/Google Workspace accounts for searching and reading mail, calendars, and attachments.

Enables an AI assistant to read, search, send, reply to, forward, and organize cPanel mailbox messages over IMAP and SMTP, including folders, attachments, drafts, and flags, plus calendar event management via CalDAV when configured. Runs as a local stdio server so each user connects with their own credentials.

Enables AI assistants to access a user's Pusan National University Moodle-based LMS account, browsing courses, materials, notices, assignments, grades, calendars, and Q&A, downloading course files, and performing write actions like submitting assignments after a confirmation preview. It combines the official Moodle Web Service API with authenticated session scraping for the ubboard notice/Q&A boards.

MCP Server for use with msgraph calls to mail, calendar, and files

Enables agents to query a locally resolved relationship mesh that joins mail, calendar, iMessage, and contacts into one per-person record, providing shared history, open items, recency, drift, and warmest-channel context without sending data off disk.

Enables an assistant to search and read mail across multiple Gmail accounts, create drafts in the correct account and thread, apply labels, archive or mark read reversibly, and view events from every calendar in read-only mode. Sending and deleting are deliberately not exposed, so all outgoing mail is reviewed and sent by the user.