EWS Meeting MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 68 installs a week from npm. Last commit 18 Sep 2026.
Safely schedule Outlook meetings on on-prem Exchange EWS with preview-confirmed writes.
We read the source, 21 h ago · rules 3dff92dd89df
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 = spawnSync(python, pythonArgs, {
result = subprocess.run(
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
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.
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 ews-meeting-mcp -- npx -y ews-meeting-mcp
{
"mcpServers": {
"ews-meeting-mcp": {
"args": [
"-y",
"ews-meeting-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.ews-meeting-mcp]
command = "npx"
args = ["-y", "ews-meeting-mcp"]
{
"mcpServers": {
"ews-meeting-mcp": {
"args": [
"-y",
"ews-meeting-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"ews-meeting-mcp": {
"args": [
"-y",
"ews-meeting-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
EWS_ENDPOINT (Exchange EWS endpoint, for example https://mail.company.com/EWS/Exchange.asmx), EWS_EMAIL (Mailbox email address used as the meeting organizer.), EWS_USERNAME (Exchange login username, often DOMAIN\username for NTLM.), EWS_PASSWORD (Exchange password. Prefer macOS Keychain variables when possible.), EWS_PASSWORD_KEYCHAIN_SERVICE (Optional macOS Keychain service name for reading the password locally.), EWS_PASSWORD_KEYCHAIN_ACCOUNT (Optional macOS Keychain account. Defaults to EWS_USERNAME when omitted.), EWS_AUTH_TYPE (Exchange auth type. Usually NTLM for on-prem Exchange.), EWS_TIMEZONE (IANA timezone for calendar operations.).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.