MCP Servers 133

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

e2a — email for AI agentsNew

io.github.Mnexa-AI/mcp-server

A✓Verified

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

Email Inbox API + Sending by SendmuxNew

io.github.Sendmux/sendmux-mcp

A✓Verified

AI email inbox and sending tools with attachments, search, live events, and webhooks.

Emailens MCPNew

io.github.emailens/mcp

A✓Verified

Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.

Cold EmailNew

io.github.Bluecraft-AI/cold-email

B✓Verified

Generate hyper-personalized cold email sequences via AI.

Send That EmailNew

io.github.pipeworx-io/send-that-email

B✓Verified

send-that-email MCP — wraps StupidAPIs (requires X-API-Key)

Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists.

HTML Email PlaybookNew

io.github.OsamaHassouna/email-playbook-mcp

B✓Verified

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

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

Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.

Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay

Email Verification APINew

io.github.Br0ski777/email-verification

A✓Verified

Verify emails: syntax, MX records, disposable detection, quality score 0-100.

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

Email ValidatorNew

io.github.lazymac2x/email-validator

B✓Verified

Cloudflare Workers MCP server: email-validator

Email Verification MCPNew

io.github.FoundryNet/email-verify-mcp

A✓Verified

Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.

Hosted email for AI agents: create inboxes, send, receive, and reply over MCP with scoped API keys

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

Could Have Been EmailNew

io.github.pipeworx-io/could-have-been-email

B✓Verified

could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)

Read, search, send, organize, draft and schedule email across your inboxes from any MCP client.

Give an agent its own inbox: send, receive, and pull signup codes from real email.

Email Deliverability Audit APINew

io.github.Br0ski777/email-deliverability

A✓Verified

Audit email domain deliverability: SPF, DKIM, DMARC, MX.

Goal-directed email outreach: research, draft, send, triage replies.

Email Send APINew

io.github.Br0ski777/email-send

A✓Verified

Send emails programmatically via Resend.