Server data from the Official MCP Registry
Email inboxes for AI agents: create an inbox, then block until the OTP or magic link arrives.
About
Email inboxes for AI agents: create an inbox, then block until the OTP or magic link arrives.
Remote endpoints: streamable-http: https://mcp.mailsocket.app/mcp
Security Report
Valid MCP server (1 strong, 1 medium validity signals). 2 code issues detected. No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
Endpoint verified · Requires authentication · 4 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: MAILSOCKET_API_KEY
Environment variable: MAILSOCKET_BASE_URL
How to Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Documentation
View on GitHubFrom the project's GitHub README.
mailsocket SDKs & MCP server
mailsocket is an inbox API for OTP and magic-link
signup automation: email in, JSON out. GET /inboxes/{id}/messages/wait?require=otp blocks and returns the OTP the
instant it arrives — no polling, no IMAP. Built for signup automation, E2E
tests, and AI agents.
This repo holds the official client packages.
| Package | Install | Docs |
|---|---|---|
| Python | pip install mailsocket | python/ |
| TypeScript / Node | npm i mailsocket-sdk | typescript/ |
| MCP server (AI agents) | uvx mailsocket-mcp | mcp/ |
Full docs: mailsocket.app · dash.mailsocket.app/docs/
MCP config
Point any MCP-compatible client (Claude Desktop, Cursor, Claude Code) at the
mailsocket-mcp server over stdio:
{
"mcpServers": {
"mailsocket": {
"command": "uvx",
"args": ["mailsocket-mcp"],
"env": {
"MAILSOCKET_API_KEY": "ms_live_..."
}
}
}
}
See mcp/README.md for per-client config file locations and the full tool list.
Examples
examples/playwright/ — a reference Playwright test that fills a signup form with a mailsocket inbox address and blocks on the wait endpoint until the OTP arrives.
License
MIT — see LICENSE.
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