Enables real-time email verification via MCP tools, checking syntax, MX, disposable domains, and optional SMTP probe to determine deliverability with a VALID/RISKY/INVALID verdict.
Giggal.ai is an email verification tool that runs a deep mailbox existence check on every address and verifies catch-all/accept-all and even SEG protected emails. Your bounce rate stays under 5%, and the 30% of every B2B list that other tools flag as "Risky" becomes deliverable again.
A Model Context Protocol server for Plunk, the open-source self-hosted email platform. Provides 84 tools for transactional email, contacts, campaigns, segments, templates, workflows, events, and analytics through the Plunk API.
Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.
Enables sending emails via SMTP with template management, supporting multiple SMTP configurations, template creation with variable substitution, and bulk email sending with rate limiting.
Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health (MX, PTR, DNSBL), and live SSE results.
Full email marketing platform for AI assistants — 32 MCP tools for campaigns, contacts, automations, A/B testing, AI content, multi-channel messaging, deliverability monitoring, and analytics.
Enables AI and LLM systems to interact with the Buttondown newsletter service, supporting email drafting, scheduling, analytics retrieval, and list management through a Model Context Protocol interface.
Enables interaction with the XEM Email API to send emails, manage campaigns, and organize contact lists. It supports features like HTML content, scheduling, template management, and bulk contact imports from CSV files.
Enables comprehensive email marketing and transactional email operations through SendGrid's API v3. Supports contact management, campaign creation, email automation, list management, and email sending with built-in read-only safety mode.
Enables management of HubSpot marketing emails from Claude Desktop, including listing, viewing, creating drafts, and updating emails through the HubSpot Marketing Email API.
An MCP server that utilizes Google's Gemini Flash 2 model to generate AI-driven email subjects and detailed reasoning processes. It enables users to send emails via SMTP with dynamic content and save complex brainstorming sessions to local files.
A WhatsApp marketing and messaging service that handles both free-form messages (within 24-hour window) and template workflows for bulk messaging, supporting conversation management and template creation/registration.
Enables autonomous agents to access and manage YG3 marketing workflows—content, SEO, outbound email, LinkedIn, and paid ads—via a provisioned sandbox workspace.