Description
Mailgo is an AI-powered cold email platform designed for high deliverability. Its AI leads-finding agent automatically discovers a user's ideal customers in minutes using AI models for precision targeting, then launches scalable cold email campaigns built for growth.
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The platform bundles the essentials for outbound email: auto-warmup for sender reputation, support for any email provider, email verification, an email guesser to find addresses by name and domain, AI copywriting that writes emails intended to convert, smart scheduling, and real-time data updates. Users also get pre-warmed mailboxes with a high sender score, content optimization that removes spam triggers and appends opt-outs, and full campaign lifecycle management with analytics.
Mailgo can be operated directly from AI assistants such as Claude, Cursor, and Gemini CLI through three integration methods: a remote-hosted MCP server set up with a few lines of JSON, an open-source Skill (MIT-0) that runs locally, or one-click install from the ClawHub marketplace. Users can describe a goal in one sentence and Mailgo executes the required steps automatically. It also offers community support via Discord and a free tier.
- CategorySales Outreach Tools
- Pricing ModelFreemium
- DeploymentCloud
- PlatformsWeb
Mailgo's Core Features
AI leads-finding agent that discovers ideal customers automatically
Auto-warmup and pre-warmed mailboxes for better deliverability
AI email copywriting designed to convert
Email verification and email guesser by name and domain
Content optimization that removes spam triggers and appends opt-outs
Smart scheduling and full campaign lifecycle management
Operable from AI assistants via MCP server, Skill, or ClawHub
Works with any email provider plus Discord community support
How to use Mailgo?
Find leads: Let Mailgo's AI agent automatically discover your ideal customers.
Set up mailboxes: Connect your own provider or claim a pre-warmed mailbox, and run auto-warmup.
Write with AI: Use AI to draft high-converting emails and optimize content to avoid spam triggers.
Verify and schedule: Verify addresses, then use smart scheduling to send at optimal times.
Automate from your AI assistant: Connect via MCP server, Skill, or ClawHub and describe your goal in one sentence to run every step.
Mailgo's Use Cases
- Automated lead discovery
- High-deliverability campaigns
- AI-assistant cold email
- Finding contact emails







