"The most downloaded Minecraft Plugin (MCP) right now" matching MCP connectors:

Scan and fix email auth (SPF, DMARC, DKIM, MX, blacklists, expiry) + DNS checks. Validated fixes.

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.

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.

Find and enrich leads, run multi-channel outreach, and manage the sales pipeline.

Hosted MCP server for outreach: copy audits, sequence planning, subject line scoring, UTM builder.

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.

Read your AI-written daily briefing and retune the filter behind it: feeds, newsletters, topics.

Task-scoped email inboxes for AI agents: read mail, extract verification codes, and reply.

Send transactional email, run campaigns, manage contacts and automations, audit deliverability.

Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.

Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.

AI invoice follow-up emails for freelancers. Draft-only, never sends for you.

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

Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.

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

Read your own DMARC aggregate and forensic reports: sources, alignment, alerts, CSV export.

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

Capture receipts, scan Gmail, analyze spending, and create reviewed reports from AI assistants.