Open-source Gmail MCP server adds multi-account support and write access
An open-source MCP server has been released that extends Claude's Gmail capabilities beyond the built-in connector's limitations. The tool provides full read and write access to Gmail with multi-account support.
Key features
- Connect multiple Gmail accounts and query one or all at once
- Full read + write capabilities including archive, label, and modify operations
- Auto-unsubscribe from newsletters
- Gmail search syntax support (is:unread, newer_than:7d, from:, etc.)
- Encrypted token storage with minimal OAuth scopes
The server addresses specific limitations of Claude's built-in Gmail connector, which is read-only, supports only single accounts, and lacks archiving, labeling, and unsubscribing functionality.
Deployment options
The project is MIT licensed and available on GitHub. It can be deployed to Railway in 5 minutes or self-hosted according to the developer's instructions.
For developers who manage multiple Gmail accounts and need more control than Claude's native integration provides, this MCP server offers a practical solution with expanded functionality.
📖 Read the full source: r/ClaudeAI
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