Mailgo
An AI cold email platform that finds leads, warms up your inbox, and writes personalized outreach messages automatically.
🔗 Visit Mailgo
Description
Cold email outreach has three separate, tedious problems: finding the right people to email, making sure your emails don't land in spam, and actually writing something a stranger will read. Mailgo tries to solve all three in one platform — an AI agent finds and verifies leads, an automated warmup process builds your sending reputation, and AI drafts the personalized message itself.
It includes an AI Lead Finder agent, email verification, an "Email Guess" feature that predicts a likely work address from partial information, AI-written and customizable templates, behavior-based smart scheduling, and multi-account support across Gmail, Outlook and custom domains. Notably, it also integrates with developer/AI tooling via an MCP server, working with Claude, Cursor, Codex and other AI coding assistants — an unusual crossover for a sales tool. It's aimed at B2B sales professionals, SDRs and growth marketers scaling outbound campaigns.
💬 Our review
The short version: bundling lead-finding, inbox warmup and AI email writing into one platform removes real friction compared to stitching together three separate tools (a lead database, a warmup service, and a writing assistant).
The catch at review time is thin pricing transparency — the dedicated pricing page 404s, and the homepage only offers a 60-day free trial with no card required rather than clear tier pricing, so you can't easily compare cost against dedicated tools like Instantly or Smartlead before signing up. The MCP integration for AI coding assistants is a genuinely distinctive touch if you already work inside Claude Code or Cursor, but most cold-email buyers won't use that angle. If pricing transparency matters to you upfront, that's worth testing during the free trial before committing.
💰 Pricing
📊 Global score
🤖 AI-enriched data
Essai gratuit de 60 jours sans carte bancaire. Page de tarifs dédiée en 404 au moment du test — argument marketing : « 50% moins cher que les outils leaders », sans grille de prix publique claire.
Pros
Combine recherche de leads, warmup et rédaction IA en une seule plateforme
Fonction Email Guess pour deviner une adresse pro à partir d'infos partielles
Intégration MCP avec Claude, Cursor, Codex (rare pour un outil de vente)
Essai gratuit de 60 jours sans CB
Cons
Page de tarifs officielle en 404, pricing peu transparent avant inscription
Métriques marketing (92%, 3.2x) invérifiables indépendamment
Marché très concurrentiel (Instantly, Smartlead, Lemlist)
Positionnement flou entre outil de vente classique et outil pour développeurs IA