MCP server that gives AI agents your mailboxes through mailbox-service, within its token's rights.
Connect Runs on your machine
claude mcp add benethos-mailbox-mcp -e MAILBOX_SERVICE_TOKEN=<MAILBOX_SERVICE_TOKEN> -e MAILBOX_SERVICE_URL=<MAILBOX_SERVICE_URL> -e MAILBOX_SERVICE_ALLOW_HTTP=<MAILBOX_SERVICE_ALLOW_HTTP> -- uvx benethos-mailbox-mcp==0.7.0
{
"mcpServers": {
"benethos-mailbox-mcp": {
"command": "uvx",
"args": [
"benethos-mailbox-mcp==0.7.0"
],
"env": {
"MAILBOX_SERVICE_TOKEN": "<MAILBOX_SERVICE_TOKEN>",
"MAILBOX_SERVICE_URL": "<MAILBOX_SERVICE_URL>",
"MAILBOX_SERVICE_ALLOW_HTTP": "<MAILBOX_SERVICE_ALLOW_HTTP>"
}
}
}
}
{
"mcpServers": {
"benethos-mailbox-mcp": {
"command": "uvx",
"args": [
"benethos-mailbox-mcp==0.7.0"
],
"env": {
"MAILBOX_SERVICE_TOKEN": "<MAILBOX_SERVICE_TOKEN>",
"MAILBOX_SERVICE_URL": "<MAILBOX_SERVICE_URL>",
"MAILBOX_SERVICE_ALLOW_HTTP": "<MAILBOX_SERVICE_ALLOW_HTTP>"
}
}
}
}
{
"servers": {
"benethos-mailbox-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"benethos-mailbox-mcp==0.7.0"
],
"env": {
"MAILBOX_SERVICE_TOKEN": "<MAILBOX_SERVICE_TOKEN>",
"MAILBOX_SERVICE_URL": "<MAILBOX_SERVICE_URL>",
"MAILBOX_SERVICE_ALLOW_HTTP": "<MAILBOX_SERVICE_ALLOW_HTTP>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MAILBOX_SERVICE_TOKENRequired, secret | An API token of mailbox-service, made on a user's page in its UI. The server acts with that user's rights. |
MAILBOX_SERVICE_URLOptional | The address of mailbox-service. |
MAILBOX_SERVICE_ALLOW_HTTPOptional | Set to true to send the token over plain http to a service on another machine. Not needed for localhost or https. |
Details
| Package | [email protected] (PYPI, stdio) |
| Package | https://github.com/benethos-hub/mailbox/releases/download/v0.7.0/benethos-mailbox-mcp-0.7.0.mcpb (MCPB, stdio) |
| First published | 10 Nov 2026 |
| Last updated | 10 Nov 2026 |
| Registry name | io.github.benethos-hub/benethos-mailbox-mcp |
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