Add Fastmail MCP to Community Servers

[MadLlama25]

Description

This PR adds Fastmail MCP to the Community Servers section of the README. Fastmail MCP provides access to Fastmail email via JMAP with tools for listing/searching/managing emails, sending mail, handling attachments and threads.

Server Details

• Server: Fastmail MCP
• Changes to: Community Servers section in the main README.md

Motivation and Context

Fastmail offers the powerful JMAP protocol to access user's email. This MCP utilizes the JMAP API calls to create a new and powerful way to interact with Fastmail through AI.

How Has This Been Tested?

Tested and debugged using Claude Desktop.

Breaking Changes

None

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Protocol Documentation
• My changes follows MCP security best practices
• I have updated the server's README accordingly
• I have tested this with an LLM client
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have documented all environment variables and configuration options

[claude]

Thank you @MadLlama25 for your contribution! 🎉

Your Fastmail MCP MCP server has been accepted and included as part of our batch integration in PR #2553. We really appreciate you taking the time to submit this integration.

The server is now officially listed in our README and available to the community!