MCP Ecc runs on your own machine — the client starts it, so there is no endpoint to ping. 78 installs a week from npm. Last commit 30 Sep 2026.
Unified MCP server for Email, Calendar & Contacts (Google, M365, Zoho, IMAP/SMTP, DAV).
What the code does
We read the source, 4 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
const child = spawn(process.execPath, [process.argv[1], ...argv], {
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-ecc -e 'MCP_ENCRYPTION_KEY=<MCP_ENCRYPTION_KEY>' -- npx -y mcp-ecc{
"mcpServers": {
"mcp-ecc": {
"command": "npx",
"args": [
"-y",
"mcp-ecc"
],
"env": {
"MCP_ENCRYPTION_KEY": "<MCP_ENCRYPTION_KEY>"
}
}
}
}[mcp_servers.mcp-ecc]
command = "npx"
args = ["-y", "mcp-ecc"]
env = { MCP_ENCRYPTION_KEY = "<MCP_ENCRYPTION_KEY>" }{
"mcpServers": {
"mcp-ecc": {
"command": "npx",
"args": [
"-y",
"mcp-ecc"
],
"env": {
"MCP_ENCRYPTION_KEY": "<MCP_ENCRYPTION_KEY>"
}
}
}
}{
"servers": {
"mcp-ecc": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-ecc"
],
"env": {
"MCP_ENCRYPTION_KEY": "<MCP_ENCRYPTION_KEY>"
}
}
}
}Put your own value in place of
<MCP_ENCRYPTION_KEY> (Master key used to encrypt stored credentials (AES-256-GCM). Generate with: openssl rand -hex 32).
The author’s registry entry marks it as required.
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MCP Ecc — questions
Answers built from our own checks of this server.