Outlook alternatives
24 email MCP servers from other publishers do the same job as Outlook. The closest match comes first, then the best rated, with at most two per publisher.
Email MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.
5.0(1)local · npm1.3k/wkFreeNever-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.
No reviews yetgateway-ready1027/wkFreeMicrosoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.
No reviews yetlocal · npm1280/wkFreeMicrosoft 365 Outlook calendar via Graph: list, get, create, update, respond, free/busy.
No reviews yetlocal · npm1278/wkFreeUnified MCP server for Email, Calendar & Contacts (Google, M365, Zoho, IMAP/SMTP, DAV).
No reviews yetlocal · npm363/wkFreeSearch Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready12kFreeMac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.
No reviews yetgateway-ready712.0k/wkFreeUnified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations
No reviews yetlocal · npm22509/wkFreeRead, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
No reviews yetlocal · npm7635/wkFreeMCP server for Tomba email finder, verification, and contact enrichment API
No reviews yetgateway-ready837/wkFreeModern email for your business. Inboxes, calendars, newsletters and an API for your agents.
No reviews yetgateway-ready1647/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/wkFreePrivacy-focused email: domains, DNS verification, aliases, SMTP sending, mailboxes and calendars.
No reviews yetlocal · npm2278/wkFreeAI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.
No reviews yetgateway-ready2298/wkFreeEmail MCP server for Gmail, Outlook and any IMAP mailbox, hardened against prompt injection
No reviews yetlocal · npm4143/wkFreeTeaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 21 rules, 6 comps.
No reviews yetgateway-ready45/wkFreeDraft and test marketing email for contacts in your own database, from a local desktop app.
No reviews yetlocal · npm179/wkFreeGoogle Workspace MCP server for Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Tasks, Chat.
No reviews yetlocal · pypi3.3k72k/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. 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/wkFreeGive AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven
No reviews yetlocal · npm1921.8k/wkFree
Outlook alternatives by what you need
Open source Outlook alternatives (16)
Published under an open licence such as MIT or Apache-2.0.
Mailoo - Email MCP Server, MCPEmails, Ecc, Email, Shipmail, Agent Email, MisarMail MCP Server, Nitrosend and 8 more below.
Hosted Outlook alternatives (11)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
MCPEmails, Inbox Zero, LMCP, Tomba MCP Server, Shipmail, MisarMail MCP Server, Nitrosend, HTML Email Playbook and 3 more below.
Local Outlook alternatives (13)
A package you install and run on your own machine, so your data stays on your computer.
Mailoo - Email MCP Server, Microsoft 365 Mail, Microsoft 365 Calendar, Ecc, Email, Fluxmail, Agent Email, Forward Email and 5 more below.
Safest Outlook alternatives (18)
Graded A: passed every check the scanner runs on the latest release.
Mailoo - Email MCP Server, MCPEmails, Microsoft 365 Mail, Microsoft 365 Calendar, Inbox Zero, Email, Tomba MCP Server, Shipmail and 10 more below.
Outlook and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Outlook(this one) | B75 | No reviews yet | MIT | Local | 37 |
| Mailoo - Email MCP Server | A85 | 5.0 (1) | LGPL-3.0 | Local | 0 |
| MCPEmails | A98 | No reviews yet | AGPL-3.0 | Hosted | 10 |
| Microsoft 365 Mail | A94 | No reviews yet | NOASSERTION | Local | 12 |
| Microsoft 365 Calendar | A94 | No reviews yet | NOASSERTION | Local | 12 |
| Ecc | B83 | No reviews yet | MIT | Local | 3 |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 12k |
| LMCP | B72 | No reviews yet | NOASSERTION | Hosted | 71 |
| A85 | No reviews yet | MIT | Local | 22 | |
| Fluxmail | B82 | No reviews yet | NOASSERTION | Local | 7 |
| Tomba MCP Server | A99 | No reviews yet | NOASSERTION | Hosted | 8 |
| Shipmail | A96 | 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 |
| Forward Email | A86 | No reviews yet | NOASSERTION | Local | 2 |
| Nitrosend | B84 | No reviews yet | MIT | Hosted | 2 |
| pylos-mcp | B83 | No reviews yet | MIT | Local | 4 |
| HTML Email Playbook | A93 | No reviews yet | MIT | Hosted | 0 |
| Rowsend | A94 | No reviews yet | MIT | Local | 0 |
| Workspace | A92 | No reviews yet | MIT | Local | 3.3k |
| emailmd | A93 | No reviews yet | MIT | Hosted | 1.4k |
| 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 |
| Google Workspace | A92 | No reviews yet | Apache-2.0 | Local | 192 |