atbridge.ai MCP Server

Your private AI suite for emails, calendars, contacts, notes & tasks — in Thunderbird, over MCP, or from the CLI. Runs on your own machine, works with any AI, no cloud middleman.

Local serverstdio

What is the atbridge.ai MCP Server?

atbridge.ai is an MCP project maintained in the atbridge-ai/atbridge repository. The maintainer describes its purpose as “Your private AI suite for emails, calendars, contacts, notes & tasks — in Thunderbird, over MCP, or from the CLI. Runs on your own machine…”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using atbridge. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
mail_listlist recent messages in a folder, newest first (unread filter)
mail_searchsearch by free text and/or sender, recipient, folder, date, read state, attachments
mail_getfetch one message (headers, body, attachment metadata)
mail_threadfetch a whole conversation thread
mail_currentread the email the user is currently reading in Thunderbird
mail_foldersall folders across all accounts with unread counts
mail_fetchtrigger a new-mail check now
calendar_listlist all calendars
calendar_events_searchsearch events in a time window across calendars
calendar_events_getget one event by id
calendar_find_slotsfind free time slots (honours events + working hours)
calendar_clash_checkcheck whether a proposed slot clashes
calendar_settingsworking hours, working days, timezone
calendar_refreshre-sync CalDAV/ICS calendars now
contacts_bookslist address books
contacts_listlist contacts across books
contacts_searchsearch across every field (name, email, phone, org, address, notes)
contacts_showshow one contact by id, email, or name
contacts_duplicatesfind cards that are probably the same person
notes_listlist or full-text search saved notes
notes_getread one note by id or title
tasks_listlist to-dos (incomplete by default)

How to install the atbridge.ai MCP Server

{
  "mcpServers": {
    "atbridge.ai": {
      "command": "atbridge",
      "args": [
        "mcp"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.