Proton Mail MCP via Bridge (IMAP/SMTP) · tools · dual transport stdio + HTTP.
npx -y @alexendros/proton-mail-mcp{
"PROTON_BRIDGE_HOST": "YOUR_VALUE_HERE",
"PROTON_IMAP_PORT": "YOUR_VALUE_HERE",
"PROTON_SMTP_PORT": "YOUR_VALUE_HERE",
"PROTON_USERNAME": "YOUR_VALUE_HERE",
"PROTON_PASSWORD": "YOUR_SECRET_VALUE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-alexendros-proton-mail-mcp": {
"command": "npx",
"args": [
"-y",
"@alexendros/proton-mail-mcp"
],
"env": {
"PROTON_BRIDGE_HOST": "YOUR_VALUE_HERE",
"PROTON_IMAP_PORT": "YOUR_VALUE_HERE",
"PROTON_SMTP_PORT": "YOUR_VALUE_HERE",
"PROTON_USERNAME": "YOUR_VALUE_HERE",
"PROTON_PASSWORD": "YOUR_SECRET_VALUE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
proton-mail-mcp is an MCP server for Proton Mail MCP via Bridge (IMAP/SMTP) · tools · dual transport stdio + HTTP.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y @alexendros/proton-mail-mcp; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y @alexendros/proton-mail-mcp. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y @alexendros/proton-mail-mcp. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y @alexendros/proton-mail-mcp. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y @alexendros/proton-mail-mcp. Add required environment variables before starting Cursor or VS Code.
proton-mail-mcp uses STDIO transport. Use the package or command config in Install.
proton-mail-mcp inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
proton-mail-mcp is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
@alexendros/proton-mail-mcpstdio | npm | 0.1.2 | Env: PROTON_BRIDGE_HOST Env: PROTON_IMAP_PORT Env: PROTON_SMTP_PORT Env: PROTON_USERNAME required Env: PROTON_PASSWORD required secret |