Fastmail MCP Server (Unofficial)
by jasonlebedev
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| FASTMAIL_BASE_URL | No | Optional: 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. For self-hosted JMAP servers, also set FASTMAIL_ALLOW_UNSAFE_BASE_URL=true. | https://api.fastmail.com |
| FASTMAIL_API_TOKEN | Yes | Your Fastmail API token. Required to authenticate with the Fastmail API. | |
| FASTMAIL_WEBDAV_URL | No | Optional: WebDAV URL, required for save_attachment_to_webdav. | |
| FASTMAIL_DOWNLOAD_DIR | No | Optional: customize the attachment download directory. Defaults to ~/Downloads/fastmail-mcp/. download_attachment savePaths are confined to this directory. | ~/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. | |
| FASTMAIL_ALLOW_UNSAFE_BASE_URL | No | Optional: set to true to allow self-hosted JMAP servers with an unsafe base URL. | false |
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
ResponsivenessResponsive