MailFlat
Rank #25,163io.github.MailFlat/mailflat-mcp
Real email inboxes for AI agents: open an address, read the one-time code, send mail.
MailFlat is a Model Context Protocol (MCP) server published by MailFlat. It ranks #25,163 of 137,492 servers tracked on MCP Toplist. MailFlat is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Aug 23, 2026 and most recently updated on Aug 27, 2026.
Ranks ahead of 112,329 of 137,492 servers on MCP Toplist.
Use MailFlat
Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.
claude mcp add mailflat-mcp -e "MAILFLAT_API_KEY=<your MAILFLAT_API_KEY>" -e "MAILFLAT_API_URL=<your MAILFLAT_API_URL>" -- uvx mailflat-mcpReplace each placeholder with your own value before saving.
[mcp_servers.mailflat-mcp]
command = "uvx"
args = ["mailflat-mcp"]
[mcp_servers.mailflat-mcp.env]
MAILFLAT_API_KEY = "<your MAILFLAT_API_KEY>"
MAILFLAT_API_URL = "<your MAILFLAT_API_URL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailflat-mcp": {
"command": "uvx",
"args": [
"mailflat-mcp"
],
"env": {
"MAILFLAT_API_KEY": "<your MAILFLAT_API_KEY>",
"MAILFLAT_API_URL": "<your MAILFLAT_API_URL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailflat-mcp": {
"command": "uvx",
"args": [
"mailflat-mcp"
],
"env": {
"MAILFLAT_API_KEY": "<your MAILFLAT_API_KEY>",
"MAILFLAT_API_URL": "<your MAILFLAT_API_URL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"mailflat-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"mailflat-mcp"
],
"env": {
"MAILFLAT_API_KEY": "<your MAILFLAT_API_KEY>",
"MAILFLAT_API_URL": "<your MAILFLAT_API_URL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailflat-mcp": {
"command": "uvx",
"args": [
"mailflat-mcp"
],
"env": {
"MAILFLAT_API_KEY": "<your MAILFLAT_API_KEY>",
"MAILFLAT_API_URL": "<your MAILFLAT_API_URL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"mailflat-mcp": {
"command": "uvx",
"args": [
"mailflat-mcp"
],
"env": {
"MAILFLAT_API_KEY": "<your MAILFLAT_API_KEY>",
"MAILFLAT_API_URL": "<your MAILFLAT_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.MailFlat%2Fmailflat-mcp)<a href="https://mcptoplist.com/server/io.github.MailFlat%2Fmailflat-mcp"><img src="https://mcptoplist.com/badge/io.github.MailFlat%2Fmailflat-mcp.svg" alt="MCP Toplist: Top 25% of 137,492" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 2 registries
MailFlat
Available versions (1)
| Version | Published |
|---|---|
| 0.9.2 | Aug 27, 2026 |
Frequently asked questions
- Who maintains MailFlat?
- MailFlat is maintained by MailFlat, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
- Is MailFlat listed on the Official MCP Registry?
- Yes — MailFlat is listed on the Official MCP Registry, alongside Glama.
- How many versions does MailFlat have?
- MCP Toplist tracks 1 version of MailFlat, most recently published on Aug 27, 2026.
- Where can I find the source code for MailFlat?
- The source code for MailFlat is hosted at github.com/MailFlat/mailflat-sdks.
Do you run this server?
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