Google Merchant Center MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 56 installs a week from npm. Last commit 4 Oct 2026.
MCP server for Google Merchant Center (Merchant API v1): products, promotions, reports, issues.
Today is the operative word: we check Google Merchant Center MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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-google-merchants -- npx -y mcp-google-merchants
{
"mcpServers": {
"mcp-google-merchants": {
"args": [
"-y",
"mcp-google-merchants"
],
"command": "npx"
}
}
}
[mcp_servers.mcp-google-merchants]
command = "npx"
args = ["-y", "mcp-google-merchants"]
{
"mcpServers": {
"mcp-google-merchants": {
"args": [
"-y",
"mcp-google-merchants"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"mcp-google-merchants": {
"args": [
"-y",
"mcp-google-merchants"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
GOOGLE_MERCHANTS_CLIENT_ID (Google OAuth 2.0 client ID (refresh-token flow).), GOOGLE_MERCHANTS_CLIENT_SECRET (Google OAuth 2.0 client secret (refresh-token flow).), GOOGLE_MERCHANTS_REFRESH_TOKEN (OAuth refresh token with scope https://www.googleapis.com/auth/content.), GOOGLE_MERCHANTS_ACCESS_TOKEN (Pre-minted OAuth access token (~1h lifetime) — alternative to the refresh trio.), GOOGLE_MERCHANTS_ACCOUNT_ID (Default Merchant Center account ID; tools can override it per call.), GOOGLE_MERCHANTS_OAUTH_PORT (Fixed port for the loopback listener of the in-chat login (127.0.0.1 + PKCE). Set it when the client runs over SSH port forwarding; otherwise a free port is picked per login.), GOOGLE_MERCHANTS_API_BASE (API root host override.), GOOGLE_MERCHANTS_TIMEOUT_MS (Per-request timeout in milliseconds.), GOOGLE_MERCHANTS_MAX_RETRIES (Retries on transient errors (429 always; 5xx/network for reads).).
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.