MCP server for Google Calendar integration with service account support and domain-wide delegation.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add google-calendar --env GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL='<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>' --env GCAL_SERVICE_ACCOUNT_PRIVATE_KEY='<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>' --env GCAL_IMPERSONATE_EMAIL='<GCAL_IMPERSONATE_EMAIL>' -- npx -y google-calendar-workspace-mcp-server~/.codex/config.toml
[mcp_servers.google-calendar]
command = "npx"
args = ["-y", "google-calendar-workspace-mcp-server"]
env = { GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL = "<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>", GCAL_SERVICE_ACCOUNT_PRIVATE_KEY = "<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>", GCAL_IMPERSONATE_EMAIL = "<GCAL_IMPERSONATE_EMAIL>" }
# codex mcp add google-calendar --env GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL='<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>' --env GCAL_SERVICE_ACCOUNT_PRIVATE_KEY='<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>' --env GCAL_IMPERSONATE_EMAIL='<GCAL_IMPERSONATE_EMAIL>' -- npx -y google-calendar-workspace-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"google-calendar": {
"command": "npx",
"args": [
"-y",
"google-calendar-workspace-mcp-server"
],
"env": {
"GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL": "<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>",
"GCAL_SERVICE_ACCOUNT_PRIVATE_KEY": "<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>",
"GCAL_IMPERSONATE_EMAIL": "<GCAL_IMPERSONATE_EMAIL>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"google-calendar": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"google-calendar-workspace-mcp-server"
],
"env": {
"GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL": "<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>",
"GCAL_SERVICE_ACCOUNT_PRIVATE_KEY": "<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>",
"GCAL_IMPERSONATE_EMAIL": "<GCAL_IMPERSONATE_EMAIL>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"google-calendar": {
"command": "npx",
"args": [
"-y",
"google-calendar-workspace-mcp-server"
],
"env": {
"GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL": "<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>",
"GCAL_SERVICE_ACCOUNT_PRIVATE_KEY": "<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>",
"GCAL_IMPERSONATE_EMAIL": "<GCAL_IMPERSONATE_EMAIL>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"google-calendar": {
"command": "npx",
"args": [
"-y",
"google-calendar-workspace-mcp-server"
],
"env": {
"GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL": "<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>",
"GCAL_SERVICE_ACCOUNT_PRIVATE_KEY": "<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>",
"GCAL_IMPERSONATE_EMAIL": "<GCAL_IMPERSONATE_EMAIL>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"google-calendar": {
"command": "npx",
"args": [
"-y",
"google-calendar-workspace-mcp-server"
],
"env": {
"GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL": "<GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL>",
"GCAL_SERVICE_ACCOUNT_PRIVATE_KEY": "<GCAL_SERVICE_ACCOUNT_PRIVATE_KEY>",
"GCAL_IMPERSONATE_EMAIL": "<GCAL_IMPERSONATE_EMAIL>"
}
}
}
}Environment variables
GCAL_SERVICE_ACCOUNT_CLIENT_EMAILGCAL_SERVICE_ACCOUNT_PRIVATE_KEYGCAL_IMPERSONATE_EMAIL
Replace the placeholders with your own credentials and keep them out of version control.