mailcraft
mailcraft is a project with MCP support by UCS-Care-Group. MailCraft: an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha. It has 99 GitHub stars and ranks #227 of 1809 in Productivity by stars.
- Category
- Productivity
- Author
- UCS-Care-Group
- GitHub stars
- 99
- This week
- Tracking since 22 Oct 2026
- Language
- Rust
- License
- Other
- Last update
- 2026-10-24 (today)
- Links
- Source
How to install mailcraft
Install steps differ per project, so follow the README in the mailcraft repository. Most MCP servers start with a single command (npx -y <package>, uvx <package> or a Docker image) that you add to your client's config. The install guide shows where that goes in Claude Code, Claude Desktop, Cursor and VS Code.
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Frequently asked questions
What is mailcraft?
mailcraft is a project with MCP support by UCS-Care-Group in the Productivity category. MailCraft: an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha. It has 99 GitHub stars and ranks #227 of 1809 in Productivity by stars. It is written in Rust. It is licensed under Other. It was last updated today.
Is mailcraft free and open source?
mailcraft lists its license as Other. Read the license text in the repository before using it in a commercial product, and check whether the service it connects to charges for API access.
What are the alternatives to mailcraft?
Other Productivity projects on MCP Harbor include markitdown, Agent-Reach, AstrBot. Each alternative links to its own page with stars, license and recent activity. The Productivity category ranks all 1809 by stars, and you can re-sort it by growth this week.
Alternatives to mailcraft
All 1809 Productivity MCP servers →
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