
JMAP (Fastmail)
Connects to Fastmail's email service via JMAP protocol to read and search your emails through MCP. Requires Fastmail API token for authentication.
Connects to Fastmail servers via JMAP protocol to enable email reading, searching with advanced filters, and content retrieval for conversational email management.
What it does
- Read emails from Fastmail accounts
- Search emails with advanced filters
- Retrieve email content and metadata
- Access email conversations
Best for
About JMAP (Fastmail)
JMAP (Fastmail) is a community-built MCP server published by jahfer that provides AI assistants with tools and capabilities via the Model Context Protocol. Access Fastmail via JMAP for secure email reading, advanced search, and easy content management. Fastmail login and Gmai It is categorized under communication.
How to install
You can install JMAP (Fastmail) in your AI client of choice. Use the install panel on this page to get one-click setup for Cursor, Claude Desktop, VS Code, and other MCP-compatible clients. This server runs locally on your machine via the stdio transport.
License
JMAP (Fastmail) is released under the MIT license. This is a permissive open-source license, meaning you can freely use, modify, and distribute the software.
JMAP-MCP
Read emails via MCP!
Introduction
JMAP-MCP is a connector designed to interact with a JMAP (JSON Mail Access Protocol) server, allowing you to read emails via the Model Context Protocol (MCP). This project specifically demonstrates integration with a Fastmail JMAP server.
MCP Configuration
To use JMAP-MCP, you need to configure it as an mcpServer in your MCP configuration file. Here is an example configuration:
{
"mcpServers": {
"emails": {
"command": "npx",
"args": ["-y", "@jahfer/jmap-mcp-server"],
"env": {
"JMAP_SESSION_URL": "https://api.fastmail.com/jmap/session", // for example
"JMAP_TOKEN": "<your-jmap-token>"
}
}
}
}
API Token Configuration
You need to set your JMAP API token to authenticate with your email server (e.g., Fastmail). Obtain your API token from your server's settings.
Set the JMAP_SESSION_URL and JMAP_TOKEN environment variables when running the application.
Tools
Once configured in MCP, you can use commands or features within MCP that interact with the server definition to read your emails via the JMAP protocol.
Local Development
-
Prerequisites: Ensure you have Node.js installed.
-
Clone the repository: Clone this repository to your local machine.
-
Install dependencies: Navigate to the project directory and run:
npm install
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