Thunderbird CLI alternatives
24 email MCP servers from other publishers do the same job as Thunderbird CLI. The closest match comes first, then the best rated, with at most two per publisher.
Search Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready12kFreePhone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.
No reviews yetgateway-ready30FreeEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
No reviews yetlocal · mixed742/wkFreeGive an AI agent its own email address: send, reply, read, and wait for mail.
No reviews yetgateway-ready68/wkFreeMCP server for macOS Mail.app — gives Claude native email access via AppleScript
No reviews yetlocal · npm545/wkFreeZero-config disposable email inboxes for AI agents: create, read mail, await verify codes.
No reviews yetlocal · npm447/wkFreeGive AI agents a real email address, vault, calendar, and task delegation via MCP.
No reviews yetlocal · npm529/wkFreeRender markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
No reviews yetgateway-ready1.4k5.2k/wkFreeAI-powered OSINT agent & MCP server. 20 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.6k886/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 · npm185797/wkFreeAI email inbox and sending tools with attachments, search, live events, and webhooks.
No reviews yetgateway-ready65285/wkFreeMac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files. Free.
No reviews yetgateway-ready552.0k/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/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/wkFreeAuthenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready191FreeMicrosoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
No reviews yetlocal · npm37328/wkFreeUnlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.
No reviews yetlocal · npm48285/wkFreeUnified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations
No reviews yetlocal · npm22509/wkFreeSearch ~300 airlines and book flights with a checkout link. OAuth sign-in by email code.
No reviews yetgateway-ready74Free
Thunderbird CLI alternatives by what you need
Open source Thunderbird CLI alternatives (20)
Published under an open licence such as MIT or Apache-2.0.
Hail, Postfleet, Mailappmcp, EmptyInbox, Agentlair, emailmd, OpenOSINT, Atomic Mail and 12 more below.
Hosted Thunderbird CLI alternatives (11)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
Inbox Zero, Hail, Postfleet, emailmd, Agent-Native Mail, Atomic Mail, Email Inbox API + Sending by Sendmux, Local MCP and 3 more below.
Local Thunderbird CLI alternatives (13)
A package you install and run on your own machine, so your data stays on your computer.
smbCloud Mail & Auth, Mailappmcp, EmptyInbox, Agentlair, OpenOSINT, Google Workspace, Email, Agenticmail and 5 more below.
Safest Thunderbird CLI alternatives (15)
Graded A: passed every check the scanner runs on the latest release.
Inbox Zero, smbCloud Mail & Auth, Postfleet, Mailappmcp, emailmd, Agent-Native Mail, Atomic Mail, Google Workspace and 7 more below.
Thunderbird CLI and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Thunderbird CLI(this one) | A92 | No reviews yet | MIT | Local | 50 |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 12k |
| Hail | B82 | No reviews yet | AGPL-3.0 | Hosted | 30 |
| smbCloud Mail & Auth | A85 | No reviews yet | NOASSERTION | Local | 7 |
| Postfleet | A96 | No reviews yet | MIT | Hosted | 0 |
| Mailappmcp | A92 | No reviews yet | MIT | Local | 5 |
| EmptyInbox | B78 | No reviews yet | MIT | Local | 4 |
| Agentlair | B75 | No reviews yet | MIT | Local | 5 |
| emailmd | A91 | No reviews yet | MIT | Hosted | 1.4k |
| OpenOSINT | C63 | No reviews yet | MIT | Local | 1.6k |
| 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 | 185 |
| Email Inbox API + Sending by Sendmux | A96 | No reviews yet | MIT | Hosted | 65 |
| Local MCP | C68 | No reviews yet | NOASSERTION | Hosted | 55 |
| e2a — email for AI agents | A96 | No reviews yet | Apache-2.0 | Hosted | 191 |
| B74 | No reviews yet | LGPL-3.0 | Local | 117 | |
| 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 |
| e2a — email for AI agents | A93 | No reviews yet | Apache-2.0 | Hosted | 191 |
| Outlook Assistant | A85 | No reviews yet | MIT | Local | 37 |
| Openagentemail | B74 | No reviews yet | Apache-2.0 | Local | 48 |
| A85 | No reviews yet | MIT | Local | 22 | |
| flightclaw | A98 | No reviews yet | MIT | Hosted | 74 |