Gmail integration with OAuth authentication, message search, batch operations, and Sheets export
Connect Runs on your machine
claude mcp add mcp-gmail -e GOOGLE_CLIENT_ID=<GOOGLE_CLIENT_ID> -e GOOGLE_CLIENT_SECRET=<GOOGLE_CLIENT_SECRET> -e GOOGLE_SERVICE_ACCOUNT_KEY_FILE=<GOOGLE_SERVICE_ACCOUNT_KEY_FILE> -e AUTH_MODE=<AUTH_MODE> -e HEADLESS=<HEADLESS> -e REDIRECT_URI=<REDIRECT_URI> -e RESOURCE_STORE_URI=<RESOURCE_STORE_URI> -e PORT=<PORT> -e BASE_URL=<BASE_URL> -e LOG_LEVEL=<LOG_LEVEL> -- npx -y @mcp-z/[email protected]
{
"mcpServers": {
"mcp-gmail": {
"command": "npx",
"args": [
"-y",
"@mcp-z/[email protected]"
],
"env": {
"GOOGLE_CLIENT_ID": "<GOOGLE_CLIENT_ID>",
"GOOGLE_CLIENT_SECRET": "<GOOGLE_CLIENT_SECRET>",
"GOOGLE_SERVICE_ACCOUNT_KEY_FILE": "<GOOGLE_SERVICE_ACCOUNT_KEY_FILE>",
"AUTH_MODE": "<AUTH_MODE>",
"HEADLESS": "<HEADLESS>",
"REDIRECT_URI": "<REDIRECT_URI>",
"RESOURCE_STORE_URI": "<RESOURCE_STORE_URI>",
"PORT": "<PORT>",
"BASE_URL": "<BASE_URL>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}
{
"mcpServers": {
"mcp-gmail": {
"command": "npx",
"args": [
"-y",
"@mcp-z/[email protected]"
],
"env": {
"GOOGLE_CLIENT_ID": "<GOOGLE_CLIENT_ID>",
"GOOGLE_CLIENT_SECRET": "<GOOGLE_CLIENT_SECRET>",
"GOOGLE_SERVICE_ACCOUNT_KEY_FILE": "<GOOGLE_SERVICE_ACCOUNT_KEY_FILE>",
"AUTH_MODE": "<AUTH_MODE>",
"HEADLESS": "<HEADLESS>",
"REDIRECT_URI": "<REDIRECT_URI>",
"RESOURCE_STORE_URI": "<RESOURCE_STORE_URI>",
"PORT": "<PORT>",
"BASE_URL": "<BASE_URL>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}
{
"servers": {
"mcp-gmail": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mcp-z/[email protected]"
],
"env": {
"GOOGLE_CLIENT_ID": "<GOOGLE_CLIENT_ID>",
"GOOGLE_CLIENT_SECRET": "<GOOGLE_CLIENT_SECRET>",
"GOOGLE_SERVICE_ACCOUNT_KEY_FILE": "<GOOGLE_SERVICE_ACCOUNT_KEY_FILE>",
"AUTH_MODE": "<AUTH_MODE>",
"HEADLESS": "<HEADLESS>",
"REDIRECT_URI": "<REDIRECT_URI>",
"RESOURCE_STORE_URI": "<RESOURCE_STORE_URI>",
"PORT": "<PORT>",
"BASE_URL": "<BASE_URL>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}
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 |
|---|---|
GOOGLE_CLIENT_IDRequired | Google OAuth client ID (required for OAuth authentication modes) |
GOOGLE_CLIENT_SECRETOptional, secret | Google OAuth client secret (optional for public clients) |
GOOGLE_SERVICE_ACCOUNT_KEY_FILEOptional | Path to service account JSON key file (required for service-account auth mode) |
AUTH_MODEOptional | Authentication mode |
HEADLESSOptional | Disable browser auto-open, return auth URL instead (true/false) |
REDIRECT_URIOptional | OAuth redirect URI (optional, default: ephemeral loopback) |
RESOURCE_STORE_URIOptional | Resource store URI for CSV export files (file://) |
PORTOptional | HTTP server port (overrides --port) |
BASE_URLOptional | Base URL for HTTP transport (used for OAuth/DCR endpoints and file links) |
LOG_LEVELOptional | Logging level |
Details
| Package | @mcp-z/[email protected] (NPM, stdio) |
| Package | @mcp-z/[email protected] (NPM, streamable-http) |
| First published | 12 Oct 2026 |
| Last updated | 12 Oct 2026 |
| Registry name | io.github.mcp-z/mcp-gmail |
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