Fastmail MCP Server (Unofficial)
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| FASTMAIL_BASE_URL | No | Customize the base URL (defaults to https://api.fastmail.com). Only api.fastmail.com and www.fastmailusercontent.com are accepted by default, each with an optional regional prefix. | https://api.fastmail.com |
| FASTMAIL_API_TOKEN | Yes | Your Fastmail API token (create one under Settings → Privacy & Security → Connected apps & API tokens). | |
| FASTMAIL_WEBDAV_URL | No | WebDAV storage server URL (optional; required for save_attachment_to_webdav). | |
| FASTMAIL_DOWNLOAD_DIR | No | Attachment download directory. download_attachment savePaths are confined to this directory; set it to the root you want attachments saved under. | ~/Downloads/fastmail-mcp/ |
| FASTMAIL_CALDAV_PASSWORD | No | CalDAV password (optional; required for calendar tools — use an app-specific password). | |
| FASTMAIL_CALDAV_USERNAME | No | CalDAV username (optional; required for calendar tools — use an app-specific password). | |
| FASTMAIL_WEBDAV_PASSWORD | No | WebDAV password (optional; required for save_attachment_to_webdav). | |
| FASTMAIL_WEBDAV_USERNAME | No | WebDAV username (optional; required for save_attachment_to_webdav). | |
| FASTMAIL_CALDAV_DISPLAY_NAME | No | CalDAV display name (optional). | |
| FASTMAIL_ALLOW_UNSAFE_BASE_URL | No | Set to true for self-hosted JMAP servers to allow base URLs outside the default allowlist. |
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
ActivityActive
ResponsivenessNo issues