"Accessing the OpenAI API" 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.
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
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.
Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
Emailable MCP — wraps the Emailable email verification API (emailable.com)
Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox. $99/mo.
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
Hunter.io MCP — wraps the Hunter.io email finder & verification API (hunter.io)
could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
Find and enrich leads, run multi-channel outreach, and manage the sales pipeline.
ActiveCampaign MCP Pack — email marketing + CRM (API v3).
Read your AI-written daily briefing and retune the filter behind it: feeds, newsletters, topics.
send-that-email MCP — wraps StupidAPIs (requires X-API-Key)
Klaviyo MCP Pack — wraps the Klaviyo API for email marketing
Send e-cards to your human. The first store built for AI agents; free, no API key needed.
