mailbox-mcp
About
Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
Use this server
Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.
Transportstdio (runs a local command)
Env vars
MAILBOX_MCP_PASSPHRASEClaude Code
claude mcp add --env MAILBOX_MCP_PASSPHRASE= mailbox-mcp -- npx mailbox-mcp
Cursor
If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.
VS Code
code --add-mcp '{"name":"mailbox-mcp","command":"npx","args":["mailbox-mcp"],"env":{"MAILBOX_MCP_PASSPHRASE":""}}'
JSON
{
"mcpServers": {
"mailbox-mcp": {
"command": "npx",
"args": [
"mailbox-mcp"
],
"env": {
"MAILBOX_MCP_PASSPHRASE": ""
}
}
}
}
Environment variables are listed by name only — fill in your own values. Entries never carry secrets.