"Tools or resources to assist a web developer" matching MCP connectors:

Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.

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.

Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox. $99/mo.

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.

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Verify email addresses and clean lists to improve deliverability and sender reputation.

Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

Render HTML/.eml emails in real Gmail, Outlook & Yahoo web clients and screenshot them

Verify email deliverability & find business emails (single or bulk) via the Verifox API.

Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.

Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.

Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.

Scan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).

Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.

Email marketing y transaccional AI-native: campañas, correos 1-a-1, contactos, flujos y métricas.

AI agent email — 23 tools free to read inbox, 28 paid to send. $9.99/mo. Token auto-provisioned.

AI-powered virtual assistant that connects to Gmail, Outlook, Slack, Salesforce, HubSpot, Google Calendar, DocuSign, QuickBooks, and 20+ other services. Manage your entire professional life through a single Claude conversation — email, calendar, CRM, documents, travel, expenses, and more.

Connect any email mailbox (Gmail, Outlook, IMAP/SMTP, OVH, LWS, Infomaniak...) to Claude, ChatGPT & any MCP client. Read, send, reply, schedule and search emails. No code, OAuth2, EU-hosted (GDPR). 15 email tools.

Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).