Proton Safe MCP
Enables MCP clients to read and search Proton Mail and create draft-only emails with attachments through the local Proton Mail Bridge, while requiring out-of-band human approval before a draft can be committed.
Install
uvx proton-safe-mcp
Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
{
"mcpServers": {
"proton-safe-mcp": {
"command": "uvx",
"args": [
"proton-safe-mcp"
],
"env": {
"PROTON_IMAP_PORT": "<PROTON_IMAP_PORT>",
"PROTON_BRIDGE_USER": "<PROTON_BRIDGE_USER>",
"PROTON_MCP_STATE_DIR": "<PROTON_MCP_STATE_DIR>",
"PROTON_BRIDGE_PASSWORD": "<PROTON_BRIDGE_PASSWORD>",
"PROTON_MCP_MAX_BODY_CHARS": "<PROTON_MCP_MAX_BODY_CHARS>",
"PROTON_MCP_MAX_CHUNK_BYTES": "<PROTON_MCP_MAX_CHUNK_BYTES>",
"PROTON_MCP_DRAFT_TTL_SECONDS": "<PROTON_MCP_DRAFT_TTL_SECONDS>",
"PROTON_MCP_UPLOAD_TTL_SECONDS": "<PROTON_MCP_UPLOAD_TTL_SECONDS>"
}
}
}
}Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
Sources: public MCP Server directories. This is an independent third-party directory with no affiliation to or endorsement from the maintainers of the listed servers.