Agent Relay alternatives
24 email MCP servers from other publishers do the same job as Agent Relay. The closest match comes first, then the best rated, with at most two per publisher.
Impri MCP server — human-in-the-loop approval inbox for AI agents
No reviews yetgateway-ready644/wkFreeGoverned email for AI agents: a sandbox inbox to read and send from, human approval to go external.
No reviews yetgateway-ready184/wkFreeMeta Ads MCP: analyze, edit and bulk launch Meta ads, with an Agent Inbox for approvals.
No reviews yetgateway-ready1591/wkFreeReal-world actions for AI coding agents: an inbox with approval outbox, deploys, domains, payments.
No reviews yetlocal · npm2.0k/wkFreeSearch Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready13kFreeProgrammable 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/wkFreeAuthenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready19956/wkFreeRead the inbox, mark items read, manage delivery preferences, and register Web Push devices.
No reviews yetlocal · npm26585/wkFreeAI email inbox and sending tools with attachments, search, live events, and webhooks.
No reviews yetgateway-ready56107/wkFreeReal email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.
No reviews yetlocal · npm251169/wkFreeEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
No reviews yetgateway-ready12582/wkFreeAuthenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready198FreeNo-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, VPS, deploy, Tor.
No reviews yetgateway-ready3.2k/wkFreeOutlook & OneDrive MCP: personal & enterprise tools for mail, calendar, contacts, tasks, files
No reviews yetlocal · npm20296/wkFreeA webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
No reviews yetgateway-ready324/wkFreeSend email, look up public IP information, and convert files to Markdown through SendSoon.
No reviews yetlocal · mixed681/wkFreeCopy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files
No reviews yetlocal · mcpb251FreeChatGenius tools: Instagram, Facebook, WhatsApp and SMS inbox, contacts, bookings, flows, posts.
No reviews yetgateway-ready171/wkFreeSend email, look up public IP information, and convert files to Markdown through SendSoon.
No reviews yetlocal · npm630/wkFreeReceive-only temporary email addresses for AI agents: create an inbox, wait for an email, read it.
No reviews yetgateway-ready1454/wkFreeEmail OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
No reviews yetgateway-ready91/wkFreeSafe email for AI agents: a mailbox with inbound scanning, outbound checks and human review.
No reviews yetgateway-ready82/wkFreeMulti-account Gmail MCP server — read, search, draft, and label across every inbox.
No reviews yetlocal · pypi696/wkFree
Agent Relay alternatives by what you need
Open source Agent Relay alternatives (20)
Published under an open licence such as MIT or Apache-2.0.
Impri, Mailbuttons, Clize, Atomic Mail, e2a — email for AI agents, three.ws Notifications, Email Inbox API + Sending by Sendmux, Agenticmail and 12 more below.
Hosted Agent Relay alternatives (16)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
Impri, Mailbuttons, Ads Uploader, Inbox Zero, Atomic Mail, LMCP, e2a — email for AI agents, Email Inbox API + Sending by Sendmux and 8 more below.
Local Agent Relay alternatives (8)
A package you install and run on your own machine, so your data stays on your computer.
Clize, three.ws Notifications, Agenticmail, Outlook, Sendsoon, Clippy, AI, Multi-Account Gmail.
Safest Agent Relay alternatives (16)
Graded A: passed every check the scanner runs on the latest release.
Impri, Mailbuttons, Ads Uploader, Clize, Inbox Zero, Atomic Mail, e2a — email for AI agents, Email Inbox API + Sending by Sendmux and 8 more below.
Agent Relay and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Agent Relay(this one) | B78 | No reviews yet | MIT | Local | 10 |
| Impri | A89 | No reviews yet | MIT | Hosted | 6 |
| Mailbuttons | A89 | No reviews yet | MIT | Hosted | 1 |
| Ads Uploader | A89 | No reviews yet | NOASSERTION | Hosted | 1 |
| Clize | A91 | No reviews yet | MIT | Local | 0 |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 13k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |
| LMCP | B72 | No reviews yet | NOASSERTION | Hosted | 71 |
| e2a — email for AI agents | A96 | No reviews yet | Apache-2.0 | Hosted | 199 |
| three.ws Notifications | B83 | No reviews yet | Apache-2.0 | Local | 265 |
| Email Inbox API + Sending by Sendmux | A96 | No reviews yet | MIT | Hosted | 56 |
| Agenticmail | B82 | No reviews yet | MIT | Local | 251 |
| smbCloud Mail & Auth | A92 | No reviews yet | NOASSERTION | Hosted | 12 |
| e2a — email for AI agents | A97 | No reviews yet | Apache-2.0 | Hosted | 198 |
| Impreza Host | B83 | No reviews yet | MIT | Hosted | 0 |
| Outlook | A89 | No reviews yet | MIT | Local | 20 |
| AnyHook | A86 | No reviews yet | Apache-2.0 | Hosted | 0 |
| Sendsoon | B83 | No reviews yet | MIT | Local | 6 |
| Clippy | B80 | No reviews yet | MIT | Local | 251 |
| Chatgenius | A98 | No reviews yet | MIT | Hosted | 0 |
| AI | B83 | No reviews yet | MIT | Local | 6 |
| Tmailor temporary email | B80 | No reviews yet | MIT | Hosted | 1 |
| Radmail | A93 | No reviews yet | MIT | Hosted | 0 |
| ReplyLayer | A92 | No reviews yet | MIT | Hosted | 0 |
| Multi-Account Gmail | A92 | No reviews yet | MIT | Local | 6 |