Fastmail MCP Server (Unofficial)
by Jessicar7778
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| FASTMAIL_BASE_URL | No | Optional: customize the JMAP base URL. Only api.fastmail.com and www.fastmailusercontent.com are accepted by default, each with an optional regional prefix (phl.api.fastmail.com, phl-www.fastmailusercontent.com) as returned by JMAP session discovery. | https://api.fastmail.com |
| FASTMAIL_API_TOKEN | Yes | Your Fastmail API token (Settings → Privacy & Security → Connected apps & API tokens → Manage API tokens → New API token). Required for all email/contact functionality. | |
| FASTMAIL_WEBDAV_URL | No | Optional: WebDAV base URL (required for save_attachment_to_webdav — Fastmail Files, Nextcloud, ...). | |
| FASTMAIL_DOWNLOAD_DIR | No | Optional: attachment download directory. download_attachment savePaths are confined to this directory; set it to the root you want attachments saved under to write there directly in one step. | ~/Downloads/fastmail-mcp/ |
| FASTMAIL_CALDAV_PASSWORD | No | Optional: CalDAV password (required for calendar tools; use an app-specific password). | |
| FASTMAIL_CALDAV_USERNAME | No | Optional: CalDAV username (required for calendar tools; use an app-specific password). | |
| FASTMAIL_WEBDAV_PASSWORD | No | Optional: WebDAV password (required for save_attachment_to_webdav). | |
| FASTMAIL_WEBDAV_USERNAME | No | Optional: WebDAV username (required for save_attachment_to_webdav). | |
| FASTMAIL_CALDAV_DISPLAY_NAME | No | Optional: CalDAV display name (required for calendar tools). | |
| FASTMAIL_ALLOW_UNSAFE_BASE_URL | No | Set to true to allow self-hosted JMAP servers (other than the default allowlisted Fastmail hosts) as FASTMAIL_BASE_URL. |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
This server cannot be deployed
Maintenance
ActivityMaintained
ResponsivenessNo issues