day3 alternatives
24 email MCP servers from other publishers do the same job as day3. The closest match comes first, then the best rated, with at most two per publisher.
Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
No reviews yetgateway-ready1.4k4.6k/wkFreeSearch Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready12kFreeRead, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
No reviews yetlocal · npm7635/wkFreeEmail infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.
No reviews yetgateway-ready1600/wkFreeLocal email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP
No reviews yetlocal · npm6335/wkFreeSend transactional email, run campaigns, manage contacts and automations, audit deliverability.
No reviews yetgateway-ready1219/wkFreeCopy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files
No reviews yetlocal · mcpb251FreeAI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.
No reviews yetgateway-ready2298/wkFreePush, email, SMS, in-app and journeys. 54 tools: reads and drafts; only test sends.
No reviews yetgateway-ready192/wkFreeMailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.
No reviews yetlocal · npm2754/wkFreeMulti-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
No reviews yetlocal · npm793/wkFreeDraft and test marketing email for contacts in your own database, from a local desktop app.
No reviews yetlocal · npm179/wkFreeEmail MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.
5.0(1)local · npm1.3k/wkFreeAI-powered OSINT agent & MCP server. 21 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.8k886/wkFreeAgent-Native Superhuman - email client with keyboard shortcuts and AI triage
No reviews yetgateway-ready7.0kFreeProgrammable 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/wkFreeAI email inbox and sending tools with attachments, search, live events, and webhooks.
No reviews yetgateway-ready65285/wkFreeAuthenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready19130/wkFreeIMAP/SMTP email MCP server — 52 tools, stdio + HTTP, IMAP IDLE push, multi-account, AI triage.
No reviews yetlocal · npm1171.2k/wkFreeMicrosoft Outlook personal accounts: mail, rules, calendar, contacts, to-do, drafts (77 tools).
No reviews yetlocal · pypi371.3k/wkFreeReal email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.
No reviews yetlocal · npm229182/wkFreeAI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.7kFreeIMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants
No reviews yetlocal · npm96528/wkFree
day3 alternatives by what you need
Open source day3 alternatives (20)
Published under an open licence such as MIT or Apache-2.0.
emailmd, Sendraven, Agent Email, MisarMail MCP Server, Clippy, Nitrosend, Pushizo, Mailchimp and 12 more below.
Hosted day3 alternatives (11)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
emailmd, Inbox Zero, Sendraven, MisarMail MCP Server, Nitrosend, Pushizo, Agent-Native Mail, Atomic Mail and 3 more below.
Local day3 alternatives (13)
A package you install and run on your own machine, so your data stays on your computer.
Fluxmail, Agent Email, Clippy, Mailchimp, Mailbox, Rowsend, Mailoo - Email MCP Server, OpenOSINT and 5 more below.
Safest day3 alternatives (14)
Graded A: passed every check the scanner runs on the latest release.
emailmd, Inbox Zero, Agent Email, MisarMail MCP Server, Pushizo, Mailchimp, Rowsend, Mailoo - Email MCP Server and 6 more below.
day3 and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| day3(this one) | A97 | No reviews yet | NOASSERTION | Hosted | 1 |
| emailmd | A93 | No reviews yet | MIT | Hosted | 1.4k |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 12k |
| Fluxmail | B82 | No reviews yet | NOASSERTION | Local | 7 |
| Sendraven | B84 | No reviews yet | MIT | Hosted | 1 |
| Agent Email | A94 | No reviews yet | Apache-2.0 | Local | 6 |
| MisarMail MCP Server | A90 | No reviews yet | MIT | Hosted | 1 |
| Clippy | B80 | No reviews yet | MIT | Local | 251 |
| Nitrosend | B84 | No reviews yet | MIT | Hosted | 2 |
| Pushizo | A99 | No reviews yet | MIT | Hosted | 0 |
| Mailchimp | A92 | No reviews yet | Apache-2.0 | Local | 2 |
| Mailbox | B83 | No reviews yet | MIT | Local | 7 |
| Rowsend | A94 | No reviews yet | MIT | Local | 0 |
| Mailoo - Email MCP Server | A85 | 5.0 (1) | LGPL-3.0 | Local | 0 |
| OpenOSINT | C63 | No reviews yet | MIT | Local | 1.8k |
| Agent-Native Mail | A98 | No reviews yet | Not stated | Hosted | 7.0k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |
| LMCP | B72 | No reviews yet | NOASSERTION | Hosted | 71 |
| Email Inbox API + Sending by Sendmux | A96 | No reviews yet | MIT | Hosted | 65 |
| e2a — email for AI agents | A96 | No reviews yet | Apache-2.0 | Hosted | 191 |
| B74 | No reviews yet | LGPL-3.0 | Local | 117 | |
| Outlook MCP | A89 | No reviews yet | MIT | Local | 37 |
| Agenticmail | B82 | No reviews yet | MIT | Local | 229 |
| OpenOSINT | C58 | No reviews yet | MIT | Local | 1.7k |
| Imap | A92 | No reviews yet | MIT | Local | 96 |