Elster alternatives
20 email MCP servers from other publishers do the same job as Elster. The closest match comes first, then the best rated, with at most two per publisher.
Real email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.
No reviews yetlocal · npm229182/wkFreeGoogle Workspace MCP server for Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Tasks, Chat.
No reviews yetlocal · pypi3.2k75k/wkFreeProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
No reviews yetgateway-ready261234/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-ready65327/wkFreeRead the inbox, mark items read, manage delivery preferences, and register Web Push devices.
No reviews yetlocal · npm20639/wkFree67 curated MCP tools for Google Workspace: Gmail, Calendar, Drive, Sheets, Docs, Slides, Tasks.
No reviews yetlocal · npm10338/wkFreeGoogle Workspace MCP server for Gmail, Calendar, Drive, Docs, Sheets, Slides, Contacts, and more
No reviews yetlocal · npm12253/wkFreeEnd-to-end encrypted inbox where AI agents deliver files and request human approval.
No reviews yetlocal · npm940/wkFreeEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
No reviews yetlocal · mixed742/wkFreeFree disposable email for AI agents: a throwaway inbox to read verification codes over MCP.
No reviews yetlocal · npm3659/wkFreeImpri MCP server — human-in-the-loop approval inbox for AI agents
No reviews yetlocal · npm525/wkFreeGoogle Workspace MCP — Docs, Drive, Calendar, Gmail, Sheets, Slides, Tasks, Chat, People, Forms
No reviews yetlocal · mixed1669/wkFreeEmail OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
No reviews yetgateway-ready48/wkFreePermissioned search and cited answers over Slack, Drive, Gmail, Jira, and 50+ workplace sources.
No reviews yetgateway-ready6FreeSchedule, publish, and analyze social media across 15+ platforms, plus inbox, ads, and analytics.
No reviews yetgateway-ready11FreeMulti-account Gmail MCP server — read, search, draft, and label across every inbox.
No reviews yetlocal · pypi348/wkFreeEnd-to-end-encrypted, sovereign inbox for AI agents. The server only ever sees ciphertext.
No reviews yetlocal · pypi148/wkFreeMCP server for Front: conversations, contacts, messages, tags, and inbox workflows.
No reviews yetlocal · npm1108/wkFreeAI-powered email & WhatsApp for teams — manage your shared inbox from Claude, Cursor or ChatGPT.
No reviews yetlocal · npm178/wkFree
Elster alternatives by what you need
Open source Elster alternatives (18)
Published under an open licence such as MIT or Apache-2.0.
Agenticmail, Workspace, Atomic Mail, Google Workspace, Email Inbox API + Sending by Sendmux, three.ws Notifications, Google Workspace MCP Server, Agent Relay and 10 more below.
Hosted Elster alternatives (5)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
Atomic Mail, Email Inbox API + Sending by Sendmux, Radmail, PipesHub, Zernio.
Local Elster alternatives (15)
A package you install and run on your own machine, so your data stays on your computer.
Agenticmail, Workspace, Google Workspace, three.ws Notifications, Google Workspace MCP Server, Google Workspace, Agent Relay, smbCloud Mail & Auth and 7 more below.
Safest Elster alternatives (11)
Graded A: passed every check the scanner runs on the latest release.
Workspace, Atomic Mail, Google Workspace, Email Inbox API + Sending by Sendmux, Google Workspace MCP Server, Google Workspace, smbCloud Mail & Auth, Radmail and 3 more below.
Elster and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Elster(this one) | B78 | No reviews yet | MIT | Local | 13 |
| Agenticmail | B82 | No reviews yet | MIT | Local | 229 |
| Workspace | A92 | No reviews yet | MIT | Local | 3.2k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 261 |
| Google Workspace | A92 | No reviews yet | Apache-2.0 | Local | 185 |
| Email Inbox API + Sending by Sendmux | A96 | No reviews yet | MIT | Hosted | 65 |
| three.ws Notifications | B83 | No reviews yet | Apache-2.0 | Local | 206 |
| Google Workspace MCP Server | A92 | No reviews yet | MIT | Local | 10 |
| Google Workspace | A85 | No reviews yet | NOASSERTION | Local | 12 |
| Agent Relay | B83 | No reviews yet | MIT | Local | 9 |
| smbCloud Mail & Auth | A85 | No reviews yet | NOASSERTION | Local | 7 |
| smails | B83 | No reviews yet | MIT | Local | 36 |
| Impri | B80 | No reviews yet | MIT | Local | 5 |
| Better Workspace | C60 | No reviews yet | Apache-2.0 | Local | 1 |
| Radmail | A91 | No reviews yet | MIT | Hosted | 0 |
| PipesHub | C67 | No reviews yet | Apache-2.0 | Hosted | 6 |
| Zernio | A90 | No reviews yet | Apache-2.0 | Hosted | 11 |
| Multi-Account Gmail | A92 | No reviews yet | MIT | Local | 3 |
| xete | B82 | No reviews yet | MIT | Local | 0 |
| Front MCP | A94 | No reviews yet | MIT | Local | 1 |
| Dragapp | B78 | No reviews yet | MIT | Local | 1 |