⌘ Leash

Leash is a free hosted MCP gateway for protected access to connected email, files, calendars and other personal accounts. It provides configurable checks, per-AI permissions, activity history and undo for supported reversible actions. Connect using https://secure.openleash.com/mcp with OAuth 2.1, dynamic client registration and PKCE. Each user authorizes their own connection. Only activity routed through Leash is covered. Public integration package: https://github.com/open-leash/leash-plugin. The hosted gateway is proprietary.