Mailtrap runs on your own machine — the client starts it, so there is no endpoint to ping. 1 148 installs a week from npm. Last commit 29 Oct 2026.
Official MCP Server for Mailtrap
Nothing serious here today
Today is the operative word: we check Mailtrap every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp -e 'MAILTRAP_API_TOKEN=<MAILTRAP_API_TOKEN>' -- npx -y mcp-mailtrap{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"mcp-mailtrap"
],
"env": {
"MAILTRAP_API_TOKEN": "<MAILTRAP_API_TOKEN>"
}
}
}
}[mcp_servers.mcp]
command = "npx"
args = ["-y", "mcp-mailtrap"]
env = { MAILTRAP_API_TOKEN = "<MAILTRAP_API_TOKEN>" }{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"mcp-mailtrap"
],
"env": {
"MAILTRAP_API_TOKEN": "<MAILTRAP_API_TOKEN>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-mailtrap"
],
"env": {
"MAILTRAP_API_TOKEN": "<MAILTRAP_API_TOKEN>"
}
}
}
}Put your own value in place of
<MAILTRAP_API_TOKEN> (Mailtrap API token from https://mailtrap.io/api-tokens).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
MAILTRAP_ACCOUNT_ID (Mailtrap account ID from https://mailtrap.io/account-management).
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Mailtrap — questions
Answers built from our own checks of this server.