Fastmail MCP Server (Unofficial)
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| FASTMAIL_BASE_URL | No | Customize 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. 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 | |
| FASTMAIL_WEBDAV_URL | No | WebDAV URL for save_attachment_to_webdav. | |
| FASTMAIL_DOWNLOAD_DIR | No | Customize 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 | CalDAV password (app-specific password). | |
| FASTMAIL_CALDAV_USERNAME | No | CalDAV username (app-specific password required for calendar tools). | |
| FASTMAIL_WEBDAV_PASSWORD | No | WebDAV password. | |
| FASTMAIL_WEBDAV_USERNAME | No | WebDAV username. | |
| FASTMAIL_CALDAV_DISPLAY_NAME | No | CalDAV display name. | |
| FASTMAIL_ALLOW_UNSAFE_BASE_URL | No | For self-hosted JMAP servers, set to true to allow unsafe 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
ActivityActive
ResponsivenessNo issues