"The concept of thinking or introspection" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Connect AI assistants to Mailercloud, the email marketing platform. Tools to manage campaigns, contacts, lists, templates, automations, webhooks, senders, and transactional email — plus AI-powered campaign analysis, deliverability audits, and engagement insights.
Crevio's MCP server lets an agent run a real online business, not just read from one. It exposes a delegation surface (ask_crevio, start_task, wait_for_run, send_message, resolve_approvals) plus code_search and code_execute for calling the full Crevio REST API - products, customers, orders, email, socials, and sites.
Send WhatsApp, SMS, email or voice to real businesses. TCPA/GDPR/CASL gate built in.
Emailable MCP — wraps the Emailable email verification API (emailable.com)
7 outreach, sequencing, call-coaching and CRM-hygiene skill products. 6 of 8 free.
Hunter.io MCP — wraps the Hunter.io email finder & verification API (hunter.io)
7 sales-outreach persona and skill products plus deliverability tooling over MCP: audit_copy scores email copy out of 100 for spam triggers and personalization, sequence_planner builds opt-out-respecting cadences, subject_line_scorer ranks up to 20 lines, utm_builder produces tracking URLs, and get_free_skill loads any product's complete free gateway skill.
Find and enrich leads, run multi-channel outreach, and manage the sales pipeline.
Read your AI-written daily briefing and retune the filter behind it: feeds, newsletters, topics.
Send e-cards to your human. The first store built for AI agents; free, no API key needed.
Klaviyo MCP Pack — wraps the Klaviyo API for email marketing
Fast email validation at the edge: syntax, MX records, disposable-domain detection.
Verify email deliverability & find business emails (single or bulk) via the Verifox API.
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
Gives an AI agent its own email address: create mailboxes, send and reply, read the inbox, and block until a reply arrives. Includes a draft lifecycle so a human can approve outbound mail before it sends.
Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.
Phone, SMS & email for AI agents. One remote MCP server (Streamable HTTP, OAuth or API-key auth, no local install) exposing call, sms, email, and event tools; also usable via CLI, Python SDK, and OpenAPI. Self-hostable, AGPLv3.
Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.
Apollo connects your sales data and outreach tools directly to your agent . Ask it to find leads, look up a company, write and send emails, or check how a campaign is performing. All from a conversation, without opening another tab.
Your AI agent just got a marketing team. SendPulse MCP Server provides full access to the SendPulse marketing platform — email campaigns, CRM, chatbots, SMTP, and online courses. 134 methods across 5 modules.
