Postio — UK Address, Postcode, Email & Phone Validation alternatives
24 email MCP servers from other publishers do the same job as Postio — UK Address, Postcode, Email & Phone Validation. The closest match comes first, then the best rated, with at most two per publisher.
Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP
No reviews yetlocal · npm6113/wkFreeGive an AI agent its own email address: send, reply, read, and wait for mail.
No reviews yetgateway-ready47/wkFreeEmail MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.
5.0(1)local · npm1.3k/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/wkFreeAI email inbox and sending tools with attachments, search, live events, and webhooks.
No reviews yetgateway-ready65285/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/wkFreeIMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants
No reviews yetlocal · npm96528/wkFreeEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
No reviews yetgateway-ready12582/wkFreeUnlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.
No reviews yetlocal · npm48285/wkFreeRead, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
No reviews yetlocal · npm7635/wkFreeNever-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.
No reviews yetgateway-ready1027/wkFreeLocal email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP
No reviews yetlocal · npm6335/wkFreeVerify email addresses in real time: deliverability, disposable and role addresses, typo fixes.
No reviews yetgateway-ready668/wkFreeMCP server for SendGrid's v3 API: email marketing, transactional mail, templates, and analytics.
No reviews yetlocal · npm4249/wkFreePhone, SMS and email for AI agents. One remote MCP endpoint, OAuth login, zero install.
No reviews yetgateway-ready30FreeEmail inboxes for AI agents: create an address, wait for codes and links, send and reply in threads.
No reviews yetgateway-ready409/wkFreePrivacy-focused email: domains, DNS verification, aliases, SMTP sending, mailboxes and calendars.
No reviews yetlocal · npm2278/wkFreeOfficial ParseAPI MCP. Place, IP, email, phone, weather lookups.
No reviews yetgateway-ready765/wkFreeReceive-only temporary email addresses for AI agents: create an inbox, wait for an email, read it.
No reviews yetgateway-ready1454/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/wkFreeAgent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
No reviews yetgateway-ready6Free
Postio — UK Address, Postcode, Email & Phone Validation alternatives by what you need
Open source Postio — UK Address, Postcode, Email & Phone Validation alternatives (20)
Published under an open licence such as MIT or Apache-2.0.
Proton Mail (unofficial), Postfleet, Mailoo - Email MCP Server, Atomic Mail, Email Inbox API + Sending by Sendmux, Email, Agenticmail, Imap and 12 more below.
Hosted Postio — UK Address, Postcode, Email & Phone Validation alternatives (13)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
Postfleet, Agent-Native Mail, Atomic Mail, Email Inbox API + Sending by Sendmux, smbCloud Mail & Auth, MCPEmails, MailProbe, Hail and 5 more below.
Local Postio — UK Address, Postcode, Email & Phone Validation alternatives (11)
A package you install and run on your own machine, so your data stays on your computer.
Proton Mail (unofficial), Mailoo - Email MCP Server, Email, Agenticmail, Imap, Openagentemail, Fluxmail, Agent Email and 3 more below.
Safest Postio — UK Address, Postcode, Email & Phone Validation alternatives (15)
Graded A: passed every check the scanner runs on the latest release.
Postfleet, Mailoo - Email MCP Server, Agent-Native Mail, Atomic Mail, Email Inbox API + Sending by Sendmux, Imap, smbCloud Mail & Auth, MCPEmails and 7 more below.
Postio — UK Address, Postcode, Email & Phone Validation and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Postio — UK Address, Postcode, Email & Phone Validation(this one) | B80 | No reviews yet | MIT | Local | 0 |
| Proton Mail (unofficial) | B83 | No reviews yet | MIT | Local | 6 |
| Postfleet | A98 | No reviews yet | MIT | Hosted | 0 |
| Mailoo - Email MCP Server | A85 | 5.0 (1) | LGPL-3.0 | Local | 0 |
| Agent-Native Mail | A98 | No reviews yet | Not stated | Hosted | 7.0k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |
| Email Inbox API + Sending by Sendmux | A96 | No reviews yet | MIT | Hosted | 65 |
| B74 | No reviews yet | LGPL-3.0 | Local | 117 | |
| Agenticmail | B82 | No reviews yet | MIT | Local | 229 |
| Imap | A92 | No reviews yet | MIT | Local | 96 |
| smbCloud Mail & Auth | A92 | No reviews yet | NOASSERTION | Hosted | 12 |
| Openagentemail | B74 | No reviews yet | Apache-2.0 | Local | 48 |
| Fluxmail | B82 | No reviews yet | NOASSERTION | Local | 7 |
| MCPEmails | A98 | No reviews yet | AGPL-3.0 | Hosted | 10 |
| Agent Email | A94 | No reviews yet | Apache-2.0 | Local | 6 |
| MailProbe | A88 | No reviews yet | MIT | Hosted | 0 |
| SendGrid MCP Server | B83 | No reviews yet | ISC | Local | 4 |
| Hail | B82 | No reviews yet | AGPL-3.0 | Hosted | 30 |
| send0 | A89 | No reviews yet | AGPL-3.0 | Hosted | 0 |
| Forward Email | A86 | No reviews yet | NOASSERTION | Local | 2 |
| ParseAPI | A99 | No reviews yet | MIT | Hosted | 0 |
| Tmailor temporary email | B80 | No reviews yet | MIT | Hosted | 1 |
| HTML Email Playbook | A93 | No reviews yet | MIT | Hosted | 0 |
| owlpost | A92 | No reviews yet | MIT | Local | 1 |
| Palmyr | B80 | No reviews yet | MIT | Hosted | 6 |