Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@fastmail-mcp Find my recent emails from Sarah and summarize them"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
An MCP (Model Context Protocol) server for Fastmail that provides access to email, contacts, and calendars via the JMAP protocol.
Tool | Description |
| List all mailboxes in the account |
| List emails from a mailbox |
| Get a specific email by ID |
| Get the most recent emails from inbox |
| Search emails by subject or content |
| Advanced email search with multiple criteria (sender, recipient, date range, attachments, etc.) |
| Send an email |
| Reply to an email with proper threading headers |
| Save an email as a draft with optional threading support |
| Create an email draft without sending |
| Mark an email as read or unread |
| Delete an email (move to trash) |
| Move an email to a different mailbox |
| Add labels (mailboxes) to an email |
| Remove labels (mailboxes) from an email |
| List attachments for an email |
| Download an email attachment (save to disk or get URL) |
| Get all emails in a conversation thread |
| Get mailbox statistics (unread count, total, etc.) |
| Get overall account summary with statistics |
Tool | Description |
| Mark multiple emails as read/unread |
| Move multiple emails to a mailbox |
| Delete multiple emails (move to trash) |
| Add labels to multiple emails |
| Remove labels from multiple emails |
Tool | Description |
| List contacts from the address book |
| Get a specific contact by ID |
| Search contacts by name or email |
Tool | Description |
| List all calendars |
| List events from a calendar |
| Get a specific calendar event by ID |
| Create a new calendar event |
Tool | Description |
| List sending identities (email addresses) |
| Check which functions are available based on account permissions |
| Test bulk operations with a dry-run mode |
Related MCP server: FastMail MCP Server
Variable | Required | Description |
| Yes | Fastmail API token (create one here) |
npm cinode dist/index.jsnpx mcp-proxy --port 8003 -- node dist/index.jsAdd to your claude_desktop_config.json:
{
"mcpServers": {
"fastmail": {
"command": "node",
"args": ["/path/to/fastmail-mcp/dist/index.js"],
"env": {
"FASTMAIL_API_TOKEN": "your-api-token"
}
}
}
}MIT
This server cannot be installed
Unclaimed servers have limited discoverability.
If you are the server author, to access and configure the admin panel.
Read, search, send, organize, draft and schedule email across your inboxes from any MCP client.
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