Give AI agents full read/write email access through Mozilla Thunderbird. Zero credentials touch the agent — all IMAP/SMTP stays in Thunderbird. 12 MCP tools, 38 CLI commands, signed Thunderbird 128+ extension. Tested at 22 accounts / 249k messages.
Enables interaction with Thunderbird email client to search and read emails, manage contacts, list calendars, and draft messages with pre-filled content through a local HTTP bridge.