"protocols.io" matching MCP connectors:
GET /v1/connectors — MCP directory API referencecould-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
Mailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.
Send transactional email, run campaigns, manage contacts and automations, audit deliverability.
Read audiences, members, campaigns and reports; add, update, tag and archive subscribers.
Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.
Read subscribers, groups, campaigns, fields, segments, automations, webhooks; safe additive writes.
Read email/chat conversations, messages, contacts and teams; draft, send and update threads.
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
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.
Official Lumail email marketing MCP for campaigns, subscribers, and workflows.
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.
AI invoice follow-up emails for freelancers. Draft-only, never sends for you.
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.