"How to request a remote API using an OpenAPI document" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Hosted remote server for a Microsoft 365, Gmail or IMAP mailbox you already own: read, search, draft, reply in thread, forward and file mail. It moves or flags up to 500 messages in one call, and a send leaves exactly one copy in Sent. A calendar is a separate connection, and connecting one adds diary and scheduling tools.
Fallax is a phishing simulation and security awareness training platform. Read your results.
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.
Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
Emailable MCP — wraps the Emailable email verification API (emailable.com)
Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox. $99/mo.
Check if a domain can be email-spoofed: SPF, DMARC, DKIM, MX graded from public DNS. Authless.
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.
An AI agent that runs your online business: products, orders, customers, email, and sites.
Send e-cards to your human. The first store built for AI agents; free, no API key needed.
