Unified MCP server for Email, Calendar & Contacts (Google, M365, Zoho, IMAP/SMTP, DAV).
Connect Runs on your machine
claude mcp add mcp-ecc -e MCP_ENCRYPTION_KEY=<MCP_ENCRYPTION_KEY> -- npx -y [email protected]{
"mcpServers": {
"mcp-ecc": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MCP_ENCRYPTION_KEY": "<MCP_ENCRYPTION_KEY>"
}
}
}
}{
"mcpServers": {
"mcp-ecc": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MCP_ENCRYPTION_KEY": "<MCP_ENCRYPTION_KEY>"
}
}
}
}{
"servers": {
"mcp-ecc": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MCP_ENCRYPTION_KEY": "<MCP_ENCRYPTION_KEY>"
}
}
}
}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 |
|---|---|
MCP_ENCRYPTION_KEYRequired, secret | Master key used to encrypt stored credentials (AES-256-GCM). Generate with: openssl rand -hex 32 |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 2 Nov 2026 |
| Last updated | 2 Nov 2026 |
| Registry name | io.github.karljsamuel/mcp-ecc |
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