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Data as of Oct 20, 2026Based on 14,594 AI responses
Reviewed by Dimitry Apollonsky
LUMBOX (formerly AgentMailr) provides an AI agent platform that enables an autonomous assistant to sign up, log in, manage emails and meetings, and securely handle credentials through a unified Identity Stack consisting of an inbox, stealth browser, and credential vault. It automatically extracts structured data from inbound emails (OTP codes, verification links, magic links, backup codes, and expiry) and supports per-agent web actions such as signup, login, and verification using built-in anti-bot browsing and CAPTCHA solving. The platform offers IMAP access, per-agent Stealth Chromium with an encrypted credential vault (AES-256-GCM), 105 MCP tools for Claude Code and Cursor, and a REST API at api.lumbox.co/v1 with a free onboarding flow to initialize an agent email address.
<1%
across Lumbox’s markets · since Jul 5
Each engine’s share of its own answers across Lumbox’s markets · since Jul 5
