Nitrosend alternatives
24 email MCP servers from other publishers do the same job as Nitrosend. The closest match comes first, then the best rated, with at most two per publisher.
Send transactional email, run campaigns, manage contacts and automations, audit deliverability.
No reviews yetgateway-ready1219/wkFreeMCP server for SendGrid's v3 API: email marketing, transactional mail, templates, and analytics.
No reviews yetlocal · npm4249/wkFreeMCP server for SendGrid — global transactional + marketing email (Twilio-owned)
No reviews yetlocal · npm277FreeAgent-Native Superhuman - email client with keyboard shortcuts and AI triage
No reviews yetgateway-ready7.7kFreeMicrosoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
No reviews yetlocal · npm39500/wkFreeMCP server for Tomba email finder, verification, and contact enrichment API
No reviews yetgateway-ready856/wkFreeEmail infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.
No reviews yetgateway-ready1600/wkFreeMailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.
No reviews yetgateway-ready326/wkFreeKlaviyo MCP Pack — wraps the Klaviyo API for email marketing
No reviews yetgateway-ready324/wkFreeTransactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes.
No reviews yetgateway-ready85/wkFreeManage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.
No reviews yetgateway-ready71/wkFreeSendGrid transactional email: preflight send, templates, and delivery diagnostics.
No reviews yetlocal · npm1566/wkFreeEmail MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.
5.0(1)local · npm1.3k/wkFreeRender markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
No reviews yetgateway-ready1.4k4.6k/wkFreeAI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.9k1.6k/wkFreeAI-powered OSINT agent & MCP server. 21 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.8k886/wkFreeSearch Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready13kFreeProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
No reviews yetgateway-ready267585/wkFreeMac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.
No reviews yetgateway-ready712.0k/wkFreeAuthenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready19956/wkFreeDisposable email inboxes for AI agents: create an address, wait for the verification email.
No reviews yetgateway-ready39301/wkFreeIMAP/SMTP email MCP server — 52 tools, stdio + HTTP, IMAP IDLE push, multi-account, AI triage.
No reviews yetlocal · npm1491.0k/wkFreeAI email inbox and sending tools with attachments, search, live events, and webhooks.
No reviews yetgateway-ready56107/wkFreeIMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants
No reviews yetlocal · npm120970/wkFree
Nitrosend alternatives by what you need
Open source Nitrosend alternatives (21)
Published under an open licence such as MIT or Apache-2.0.
MisarMail MCP Server, SendGrid MCP Server, Sendgrid, Agent-Native Mail, Outlook Assistant, Sendraven, Mailchimp, Klaviyo and 13 more below.
Hosted Nitrosend alternatives (15)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
MisarMail MCP Server, Agent-Native Mail, Tomba MCP Server, Sendraven, Mailchimp, Klaviyo, MepMail, Mailrith Email Marketing and 7 more below.
Local Nitrosend alternatives (9)
A package you install and run on your own machine, so your data stays on your computer.
SendGrid MCP Server, Sendgrid, Outlook Assistant, SendGrid Transactional, Mailoo - Email MCP Server, OpenOSINT, OpenOSINT, Email and 1 more below.
Safest Nitrosend alternatives (14)
Graded A: passed every check the scanner runs on the latest release.
MisarMail MCP Server, Agent-Native Mail, Outlook Assistant, Tomba MCP Server, MepMail, Mailrith Email Marketing, Mailoo - Email MCP Server, emailmd and 6 more below.
Nitrosend and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Nitrosend(this one) | B84 | No reviews yet | MIT | Hosted | 2 |
| MisarMail MCP Server | A90 | No reviews yet | MIT | Hosted | 1 |
| SendGrid MCP Server | B83 | No reviews yet | ISC | Local | 4 |
| Sendgrid | B77 | No reviews yet | MIT | Local | 277 |
| Agent-Native Mail | A98 | No reviews yet | MIT | Hosted | 7.7k |
| Outlook Assistant | A85 | No reviews yet | MIT | Local | 39 |
| Tomba MCP Server | A99 | No reviews yet | NOASSERTION | Hosted | 8 |
| Sendraven | B84 | No reviews yet | MIT | Hosted | 1 |
| Mailchimp | B83 | No reviews yet | MIT | Hosted | 0 |
| Klaviyo | B83 | No reviews yet | MIT | Hosted | 0 |
| MepMail | A92 | No reviews yet | AGPL-3.0 | Hosted | 0 |
| Mailrith Email Marketing | A86 | No reviews yet | MIT | Hosted | 0 |
| SendGrid Transactional | B83 | No reviews yet | MIT | Local | 1 |
| Mailoo - Email MCP Server | A85 | 5.0 (1) | LGPL-3.0 | Local | 0 |
| emailmd | A93 | No reviews yet | MIT | Hosted | 1.4k |
| OpenOSINT | C58 | No reviews yet | MIT | Local | 1.9k |
| OpenOSINT | C63 | No reviews yet | MIT | Local | 1.8k |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 13k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |
| LMCP | B72 | No reviews yet | NOASSERTION | Hosted | 71 |
| e2a — email for AI agents | A96 | No reviews yet | Apache-2.0 | Hosted | 199 |
| smails | A99 | No reviews yet | MIT | Hosted | 39 |
| B74 | No reviews yet | LGPL-3.0 | Local | 149 | |
| Email Inbox API + Sending by Sendmux | A96 | No reviews yet | MIT | Hosted | 56 |
| Imap | A92 | No reviews yet | MIT | Local | 120 |