mailsink
Rank #44,830io.github.heocoi/mailsink
Disposable inboxes for AI agents and CI: catch the verification email, read the OTP or link.
mailsink is a Model Context Protocol (MCP) server published by heocoi. It ranks #44,830 of 132,113 servers tracked on MCP Toplist. mailsink is listed across 3 registries — Official MCP, Glama and mcp.so, with 1 tracked version. It was first listed on Apr 21, 2026 and most recently updated on Aug 21, 2026.
Ranks ahead of 87,283 of 132,113 servers on MCP Toplist.
Use mailsink
Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.
claude mcp add mailsink -e "MAILSINK_API_KEY=<your MAILSINK_API_KEY>" -e "MAILSINK_API_URL=<your MAILSINK_API_URL>" -- npx -y @mailsink/mcpReplace each placeholder with your own value before saving.
[mcp_servers.mailsink]
command = "npx"
args = ["-y", "@mailsink/mcp"]
[mcp_servers.mailsink.env]
MAILSINK_API_KEY = "<your MAILSINK_API_KEY>"
MAILSINK_API_URL = "<your MAILSINK_API_URL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailsink": {
"command": "npx",
"args": [
"-y",
"@mailsink/mcp"
],
"env": {
"MAILSINK_API_KEY": "<your MAILSINK_API_KEY>",
"MAILSINK_API_URL": "<your MAILSINK_API_URL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailsink": {
"command": "npx",
"args": [
"-y",
"@mailsink/mcp"
],
"env": {
"MAILSINK_API_KEY": "<your MAILSINK_API_KEY>",
"MAILSINK_API_URL": "<your MAILSINK_API_URL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"mailsink": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mailsink/mcp"
],
"env": {
"MAILSINK_API_KEY": "<your MAILSINK_API_KEY>",
"MAILSINK_API_URL": "<your MAILSINK_API_URL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailsink": {
"command": "npx",
"args": [
"-y",
"@mailsink/mcp"
],
"env": {
"MAILSINK_API_KEY": "<your MAILSINK_API_KEY>",
"MAILSINK_API_URL": "<your MAILSINK_API_URL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailsink": {
"command": "npx",
"args": [
"-y",
"@mailsink/mcp"
],
"env": {
"MAILSINK_API_KEY": "<your MAILSINK_API_KEY>",
"MAILSINK_API_URL": "<your MAILSINK_API_URL>"
}
}
}
}Replace each placeholder with your own value before saving.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.heocoi%2Fmailsink)<a href="https://mcptoplist.com/server/io.github.heocoi%2Fmailsink"><img src="https://mcptoplist.com/badge/io.github.heocoi%2Fmailsink.svg" alt="MCP Toplist: Top 50% of 132,113" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 3 registries
heocoi
Other servers by heocoi
View all heocoi servers →Available versions (1)
| Version | Published |
|---|---|
| 0.1.5 | Aug 21, 2026 |
Frequently asked questions
- Who maintains mailsink?
- mailsink is maintained by heocoi, which publishes 2 MCP servers (1 total version) tracked on MCP Toplist.
- Is mailsink listed on the Official MCP Registry?
- Yes — mailsink is listed on the Official MCP Registry, alongside Glama and mcp.so.
- How many versions does mailsink have?
- MCP Toplist tracks 1 version of mailsink, most recently published on Aug 21, 2026.
- Where can I find the source code for mailsink?
- The source code for mailsink is hosted at github.com/heocoi/mailsink-mcp.
Do you run this server?
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