Mailwarden alternatives
24 email MCP servers from other publishers do the same job as Mailwarden. 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/wkFreeAllow AI systems to read, send, archive, and manage emails via Gmail.
No reviews yetlocal · npm11210/wkFreeMulti-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
No reviews yetlocal · npm793/wkFreeSearch Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready12kFreeAgent-Native Superhuman - email client with keyboard shortcuts and AI triage
No reviews yetgateway-ready7.0kFreeIMAP/SMTP email MCP server — 52 tools, stdio + HTTP, IMAP IDLE push, multi-account, AI triage.
No reviews yetlocal · npm1171.2k/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/wkFreeCopy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files
No reviews yetlocal · mcpb251FreeEmail MCP server for Gmail, Outlook and any IMAP mailbox, hardened against prompt injection
No reviews yetlocal · npm4143/wkFreeEmail OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
No reviews yetgateway-ready91/wkFreeTeaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 21 rules, 6 comps.
No reviews yetgateway-ready45/wkFreeIMAP/SMTP email for iCloud, Gmail, Proton Bridge and more: search, read, follow threads, send.
No reviews yetlocal · mixed183/wkFreeMulti-account Gmail MCP server — read, search, draft, and label across every inbox.
No reviews yetlocal · pypi348/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/wkFreeProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
No reviews yetgateway-ready267585/wkFreeRead Gmail, read and commit to GitHub, update Sheets, and post to Slack through Composio.
No reviews yetgateway-ready5.2kFreeMac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.
No reviews yetgateway-ready712.0k/wkFreeGive AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven
No reviews yetlocal · npm1921.8k/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/wkFree
Mailwarden alternatives by what you need
Open source Mailwarden alternatives (20)
Published under an open licence such as MIT or Apache-2.0.
Mailoo - Email MCP Server, MCPEmails, Gmail, Mailbox, Email, Email, Clippy, pylos-mcp and 12 more below.
Hosted Mailwarden alternatives (11)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
MCPEmails, Inbox Zero, Agent-Native Mail, Radmail, HTML Email Playbook, emailmd, Atomic Mail, Connectors and 3 more below.
Local Mailwarden alternatives (13)
A package you install and run on your own machine, so your data stays on your computer.
Mailoo - Email MCP Server, Gmail, Mailbox, Email, Email, Fluxmail, Clippy, pylos-mcp and 5 more below.
Safest Mailwarden alternatives (16)
Graded A: passed every check the scanner runs on the latest release.
Mailoo - Email MCP Server, MCPEmails, Inbox Zero, Agent-Native Mail, Email, Radmail, HTML Email Playbook, owlpost and 8 more below.
Mailwarden and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Mailwarden(this one) | A92 | No reviews yet | MIT | Local | 0 |
| Mailoo - Email MCP Server | A85 | 5.0 (1) | LGPL-3.0 | Local | 0 |
| MCPEmails | A98 | No reviews yet | AGPL-3.0 | Hosted | 10 |
| Gmail | B83 | No reviews yet | MIT | Local | 11 |
| Mailbox | B83 | No reviews yet | MIT | Local | 7 |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 12k |
| Agent-Native Mail | A98 | No reviews yet | Not stated | Hosted | 7.0k |
| B74 | No reviews yet | LGPL-3.0 | Local | 117 | |
| A85 | No reviews yet | MIT | Local | 22 | |
| Fluxmail | B82 | No reviews yet | NOASSERTION | Local | 7 |
| Clippy | B80 | No reviews yet | MIT | Local | 251 |
| pylos-mcp | B83 | No reviews yet | MIT | Local | 4 |
| Radmail | A93 | No reviews yet | MIT | Hosted | 0 |
| HTML Email Playbook | A93 | No reviews yet | MIT | Hosted | 0 |
| owlpost | A92 | No reviews yet | MIT | Local | 1 |
| Multi-Account Gmail | A92 | No reviews yet | MIT | Local | 3 |
| 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 |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |
| Connectors | A88 | No reviews yet | MIT | Hosted | 5.2k |
| LMCP | B72 | No reviews yet | NOASSERTION | Hosted | 71 |
| Google Workspace | A92 | No reviews yet | Apache-2.0 | Local | 192 |
| 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 |