Gmc MCP

Free open-source MCP server for Google Merchant Center: 126 tools over Merchant API v1.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "gmc-mcp": {
      "command": "uvx",
      "args": [
        "gmc-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

Google Merchant Center MCP (`gmc-mcp`)

MCP server for Google Merchant Center, built on Merchant API v1. 126 tools, MIT-licensed, pip install-able. Drive your Google Shopping feed, products, inventory, Reports, promotions, returns, and account configuration in natural language from Claude Desktop, Claude Code, or any MCP-compatible client.

Where this fits in the GMC + MCP landscape

Option Type API License Install Tools
Adzviser / Catchr / Windsor.ai / Pipedream Paid hosted SaaS varies proprietary sign-up varies
archpeng/GMC-mcp-server Self-hosted Content API v2.1 (deprecated 2026-08) none declared git clone 34
gmc-mcp (this package) Self-hosted Merchant API v1 (future-proof) MIT pip install gmc-mcp 126

Pick this if you want: future-proof API, an actual OSS license, PyPI install, a larger toolset, audit log + rollback + dry-run safety, and credentials that never leave your machine.

Built on Merchant API v1 (replaces Content API for Shopping; v1beta was discontinued 2026-02-28). Safe by default: every write is recorded to an append-only audit log with before snapshots, dry-run is one toggle away, and destructive bulk operations require an explicit confirm parameter.

Why this exists

Google Merchant Center (GMC) powers Google Shopping listings, Free Listings, Shopping Ads, Buy on Google checkout, YouTube Shopping, and more. Managing a feed of thousands of products through the GMC web UI is tedious, and writing one-off Python scripts against the Merchant API REST endpoints is slow.

There are existing MCP services for GMC, but they fit different niches:

Paid hosted SaaS (Adzviser, Catchr, Windsor.ai, Pipedream) — your data is proxied through their servers; monthly subscription.
archpeng/GMC-mcp-server — earliest self-hosted Python option (Feb 2026), but built on the deprecated Content API v2.1 which Google retires in August 2026, has no license declared, and isn't on PyPI.

gmc-mcp was built to fill the gap: a self-hosted package on the new Merchant API v1, MIT-licensed, on PyPI, with audit/rollback/dry-run safety and 126 tools across 19 modules.

The package gives Claude (or any MCP client) 126 tools that map directly onto the Merchant API v1 surface, so you can do things like:

"Show me every disapproved product, grouped by issue code."
"Bump US prices 5% on these 40 SKUs."
"Which products had impressions but zero clicks last week?"
"Roll back audit ID 8fc8dc42… — that update broke something."
"Compare this Shopify CSV against my GMC feed; what's missing?"

What's exposed

126 tools across 19 modules + 4 meta tools.

Module	Tools
products	`gmc_list_products`, `gmc_get_product`, `gmc_insert_product`, `gmc_update_product`, `gmc_delete_product`, `gmc_bulk_delete_products`, `gmc_list_disapproved_products`
inventory	`gmc_update_regional_inventory`, `gmc_update_local_inventory`, `gmc_list_regional_inventories`, `gmc_list_local_inventories`
issues	`gmc_list_account_issues`, `gmc_get_product_status`, `gmc_summarize_product_issues`
reports	`gmc_query_report`, `gmc_product_performance`, `gmc_price_competitiveness`, `gmc_best_sellers`, `gmc_zero_click_products`, `gmc_revenue_by_brand`, `gmc_category_performance`, `gmc_competitive_visibility_top_merchants`, `gmc_price_insights`, `gmc_demoted_products`
promotions	`gmc_list_promotions`, `gmc_get_promotion`, `gmc_insert_promotion`
accounts	`gmc_get_account`, `gmc_get_business_info`, `gmc_update_business_info`, `gmc_list_users`, `gmc_add_user`, `gmc_remove_user`, `gmc_get_shipping_settings`, `gmc_update_shipping_settings`, `gmc_list_programs`, `gmc_request_program_review`, `gmc_get_program_review`
regions	`gmc_list_regions`, `gmc_get_region`, `gmc_create_region`, `gmc_update_region`, `gmc_delete_region`
notifications	`gmc_list_subscriptions`, `gmc_subscribe`, `gmc_unsubscribe`
feeds	`gmc_list_datasources`, `gmc_get_datasource`, `gmc_create_supplemental_feed`, `gmc_create_primary_feed`, `gmc_delete_datasource`, `gmc_fetch_datasource`
return_policies	`gmc_list_return_policies`, `gmc_get_return_policy`, `gmc_create_return_policy`, `gmc_update_return_policy`, `gmc_delete_return_policy`
homepage	`gmc_get_homepage`, `gmc_update_homepage`, `gmc_claim_homepage`, `gmc_unclaim_homepage`
account_config	`gmc_get_business_identity`, `gmc_update_business_identity`, `gmc_get_checkout_settings`, `gmc_create_checkout_settings`, `gmc_update_checkout_settings`, `gmc_delete_checkout_settings`, `gmc_get_automatic_improvements`, `gmc_update_automatic_improvements`, `gmc_get_autofeed_settings`, `gmc_update_autofeed_settings`, `gmc_get_account_tax`, `gmc_update_account_tax`, `gmc_get_email_preferences`, `gmc_update_email_preferences`, `gmc_get_latest_tos`, `gmc_list_tos_agreement_states`, `gmc_accept_tos`
quotas	`gmc_list_quotas`
reviews	`gmc_list_merchant_reviews`, `gmc_get_merchant_review`, `gmc_insert_merchant_review`, `gmc_delete_merchant_review`, `gmc_list_product_reviews`, `gmc_get_product_review`, `gmc_insert_product_review`, `gmc_delete_product_review`
conversions	`gmc_list_conversion_sources`, `gmc_get_conversion_source`, `gmc_create_conversion_source`, `gmc_update_conversion_source`, `gmc_delete_conversion_source`, `gmc_undelete_conversion_source`
omnichannel	`gmc_list_omnichannel_settings`, `gmc_get_omnichannel_settings`, `gmc_create_omnichannel_settings`, `gmc_update_omnichannel_settings`, `gmc_request_inventory_verification`, `gmc_link_gbp_account`, `gmc_list_gbp_accounts`
lfp	`gmc_lfp_list_stores`, `gmc_lfp_get_store`, `gmc_lfp_insert_store`, `gmc_lfp_delete_store`, `gmc_lfp_insert_inventory`, `gmc_lfp_insert_sale`, `gmc_lfp_get_merchant_state`
mca	`gmc_list_relationships`, `gmc_get_relationship`, `gmc_update_relationship`, `gmc_create_aggregation`, `gmc_delete_aggregation`, `gmc_list_account_services`, `gmc_propose_account_service`, `gmc_approve_account_service`, `gmc_reject_account_service`
bulk	`gmc_bulk_update_regional_prices`, `gmc_bulk_set_availability`
diagnostics	`gmc_health_check`, `gmc_rollback`, `gmc_export_all`, `gmc_diff_with_shopify`
meta	`gmc_describe_server`, `gmc_audit_lookup`, `gmc_audit_tail`, `gmc_set_dry_run`

CLI also exposes: gmc-mcp run, auth-init, register-gcp, webhook, describe, version.

Install

Terminal

pip install gmc-mcp

For development:

bash

git clone https://github.com/kiwoongeom/gmc-mcp
cd gmc-mcp
pip install -e ".[dev,test]"
pre-commit install

Quick start

1. Enable the Merchant API and create a service account

console.cloud.google.com → create / pick a project.
APIs & Services → Library → enable Merchant API.
IAM & Admin → Service Accounts → Create service account named gmc-mcp.
Open the new service account → Keys → Add key → Create new key → JSON. Save it somewhere safe.

2. Add the service account to your Merchant Center

merchants.google.com → top-right gear → Account access → People.
Add user → enter the gmc-mcp@PROJECT.iam.gserviceaccount.com email → grant Admin.
Note the 10-digit Merchant Center ID in the top-right.

3. Configure

bash

cp .env.example .env
# edit:
#   GMC_ACCOUNT_ID=1234567890
#   GMC_SERVICE_ACCOUNT_KEY=/abs/path/to/service-account.json

4. One-time GCP registration

Required before any v1 Merchant API call works for a new project.

bash

gmc-mcp register-gcp --developer-email you@example.com

5. Smoke-test

bash

gmc-mcp describe              # prints the resolved config
python examples/quickstart.py  # makes one read against the Merchant API

6. Wire into Claude

Drop this into %APPDATA%/Claude/claude_desktop_config.json (Desktop) or ~/.claude/settings.json (Code):

config.json

{
  "mcpServers": {
    "gmc": {
      "command": "gmc-mcp",
      "args": ["run"],
      "env": {
        "GMC_ACCOUNT_ID": "1234567890",
        "GMC_SERVICE_ACCOUNT_KEY": "/abs/path/to/service-account.json"
      }
    }
  }
}

Restart Claude. Ask: "What account am I connected to?" — it should call gmc_describe_server.

OAuth instead of a service account

For acting on behalf of an end user (e.g. multi-tenant SaaS):

server.ts

# 1. In GCP, create OAuth client credentials (type: Desktop), download client_secret.json.
gmc-mcp auth-init --client-secrets ./client_secret.json
# follow the browser flow; a token JSON is saved to secrets/oauth-token.json.

# 2. Use it
export GMC_OAUTH_TOKEN=./secrets/oauth-token.json
gmc-mcp run

Transports

Read the full README →View source on GitHub →

Related MCP Servers

View all in Developer Tools View all alternatives

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about Gmc MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "gmc-mcp": { "command": "npx", "args": ["-y", "gmc-mcp"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

39Quality signal: Fair · 39/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools16/30

Adoption & activity3/15

Community engagement0/10

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The official MCP server for AllMCPs.com - submit and manage tools directly from your AI. The open directory for MCP servers. Connect Claude, Cursor, Windsurf, and AI agents to databases, tools, files, and APIs. Explore 10,000+ servers. AllMCPs is the premier, open directory for discovering, evaluating, and installing Model Context Protocol (MCP) servers to equip AI agents and LLMs with real-world superpowers.

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Gmc MCP →Install in Claude Desktop Install in Cursor Install in VS Code

Gmc MCP

Free open-source MCP server for Google Merchant Center: 126 tools over Merchant API v1.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "gmc-mcp": {
      "command": "uvx",
      "args": [
        "gmc-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

Google Merchant Center MCP (`gmc-mcp`)

MCP server for Google Merchant Center, built on Merchant API v1. 126 tools, MIT-licensed, pip install-able. Drive your Google Shopping feed, products, inventory, Reports, promotions, returns, and account configuration in natural language from Claude Desktop, Claude Code, or any MCP-compatible client.

Where this fits in the GMC + MCP landscape

Option Type API License Install Tools
Adzviser / Catchr / Windsor.ai / Pipedream Paid hosted SaaS varies proprietary sign-up varies
archpeng/GMC-mcp-server Self-hosted Content API v2.1 (deprecated 2026-08) none declared git clone 34
gmc-mcp (this package) Self-hosted Merchant API v1 (future-proof) MIT pip install gmc-mcp 126

Pick this if you want: future-proof API, an actual OSS license, PyPI install, a larger toolset, audit log + rollback + dry-run safety, and credentials that never leave your machine.

Why this exists

There are existing MCP services for GMC, but they fit different niches:

Paid hosted SaaS (Adzviser, Catchr, Windsor.ai, Pipedream) — your data is proxied through their servers; monthly subscription.
archpeng/GMC-mcp-server — earliest self-hosted Python option (Feb 2026), but built on the deprecated Content API v2.1 which Google retires in August 2026, has no license declared, and isn't on PyPI.

gmc-mcp was built to fill the gap: a self-hosted package on the new Merchant API v1, MIT-licensed, on PyPI, with audit/rollback/dry-run safety and 126 tools across 19 modules.

The package gives Claude (or any MCP client) 126 tools that map directly onto the Merchant API v1 surface, so you can do things like:

"Show me every disapproved product, grouped by issue code."
"Bump US prices 5% on these 40 SKUs."
"Which products had impressions but zero clicks last week?"
"Roll back audit ID 8fc8dc42… — that update broke something."
"Compare this Shopify CSV against my GMC feed; what's missing?"

What's exposed

126 tools across 19 modules + 4 meta tools.

Module	Tools
products	`gmc_list_products`, `gmc_get_product`, `gmc_insert_product`, `gmc_update_product`, `gmc_delete_product`, `gmc_bulk_delete_products`, `gmc_list_disapproved_products`
inventory	`gmc_update_regional_inventory`, `gmc_update_local_inventory`, `gmc_list_regional_inventories`, `gmc_list_local_inventories`
issues	`gmc_list_account_issues`, `gmc_get_product_status`, `gmc_summarize_product_issues`
reports	`gmc_query_report`, `gmc_product_performance`, `gmc_price_competitiveness`, `gmc_best_sellers`, `gmc_zero_click_products`, `gmc_revenue_by_brand`, `gmc_category_performance`, `gmc_competitive_visibility_top_merchants`, `gmc_price_insights`, `gmc_demoted_products`
promotions	`gmc_list_promotions`, `gmc_get_promotion`, `gmc_insert_promotion`
accounts	`gmc_get_account`, `gmc_get_business_info`, `gmc_update_business_info`, `gmc_list_users`, `gmc_add_user`, `gmc_remove_user`, `gmc_get_shipping_settings`, `gmc_update_shipping_settings`, `gmc_list_programs`, `gmc_request_program_review`, `gmc_get_program_review`
regions	`gmc_list_regions`, `gmc_get_region`, `gmc_create_region`, `gmc_update_region`, `gmc_delete_region`
notifications	`gmc_list_subscriptions`, `gmc_subscribe`, `gmc_unsubscribe`
feeds	`gmc_list_datasources`, `gmc_get_datasource`, `gmc_create_supplemental_feed`, `gmc_create_primary_feed`, `gmc_delete_datasource`, `gmc_fetch_datasource`
return_policies	`gmc_list_return_policies`, `gmc_get_return_policy`, `gmc_create_return_policy`, `gmc_update_return_policy`, `gmc_delete_return_policy`
homepage	`gmc_get_homepage`, `gmc_update_homepage`, `gmc_claim_homepage`, `gmc_unclaim_homepage`
account_config	`gmc_get_business_identity`, `gmc_update_business_identity`, `gmc_get_checkout_settings`, `gmc_create_checkout_settings`, `gmc_update_checkout_settings`, `gmc_delete_checkout_settings`, `gmc_get_automatic_improvements`, `gmc_update_automatic_improvements`, `gmc_get_autofeed_settings`, `gmc_update_autofeed_settings`, `gmc_get_account_tax`, `gmc_update_account_tax`, `gmc_get_email_preferences`, `gmc_update_email_preferences`, `gmc_get_latest_tos`, `gmc_list_tos_agreement_states`, `gmc_accept_tos`
quotas	`gmc_list_quotas`
reviews	`gmc_list_merchant_reviews`, `gmc_get_merchant_review`, `gmc_insert_merchant_review`, `gmc_delete_merchant_review`, `gmc_list_product_reviews`, `gmc_get_product_review`, `gmc_insert_product_review`, `gmc_delete_product_review`
conversions	`gmc_list_conversion_sources`, `gmc_get_conversion_source`, `gmc_create_conversion_source`, `gmc_update_conversion_source`, `gmc_delete_conversion_source`, `gmc_undelete_conversion_source`
omnichannel	`gmc_list_omnichannel_settings`, `gmc_get_omnichannel_settings`, `gmc_create_omnichannel_settings`, `gmc_update_omnichannel_settings`, `gmc_request_inventory_verification`, `gmc_link_gbp_account`, `gmc_list_gbp_accounts`
lfp	`gmc_lfp_list_stores`, `gmc_lfp_get_store`, `gmc_lfp_insert_store`, `gmc_lfp_delete_store`, `gmc_lfp_insert_inventory`, `gmc_lfp_insert_sale`, `gmc_lfp_get_merchant_state`
mca	`gmc_list_relationships`, `gmc_get_relationship`, `gmc_update_relationship`, `gmc_create_aggregation`, `gmc_delete_aggregation`, `gmc_list_account_services`, `gmc_propose_account_service`, `gmc_approve_account_service`, `gmc_reject_account_service`
bulk	`gmc_bulk_update_regional_prices`, `gmc_bulk_set_availability`
diagnostics	`gmc_health_check`, `gmc_rollback`, `gmc_export_all`, `gmc_diff_with_shopify`
meta	`gmc_describe_server`, `gmc_audit_lookup`, `gmc_audit_tail`, `gmc_set_dry_run`

CLI also exposes: gmc-mcp run, auth-init, register-gcp, webhook, describe, version.

Install

Terminal

pip install gmc-mcp

For development:

bash

git clone https://github.com/kiwoongeom/gmc-mcp
cd gmc-mcp
pip install -e ".[dev,test]"
pre-commit install

Quick start

1. Enable the Merchant API and create a service account

console.cloud.google.com → create / pick a project.
APIs & Services → Library → enable Merchant API.
IAM & Admin → Service Accounts → Create service account named gmc-mcp.
Open the new service account → Keys → Add key → Create new key → JSON. Save it somewhere safe.

2. Add the service account to your Merchant Center

merchants.google.com → top-right gear → Account access → People.
Add user → enter the gmc-mcp@PROJECT.iam.gserviceaccount.com email → grant Admin.
Note the 10-digit Merchant Center ID in the top-right.

3. Configure

bash

cp .env.example .env
# edit:
#   GMC_ACCOUNT_ID=1234567890
#   GMC_SERVICE_ACCOUNT_KEY=/abs/path/to/service-account.json

4. One-time GCP registration

Required before any v1 Merchant API call works for a new project.

bash

gmc-mcp register-gcp --developer-email you@example.com

5. Smoke-test

bash

gmc-mcp describe              # prints the resolved config
python examples/quickstart.py  # makes one read against the Merchant API

6. Wire into Claude

Drop this into %APPDATA%/Claude/claude_desktop_config.json (Desktop) or ~/.claude/settings.json (Code):

config.json

{
  "mcpServers": {
    "gmc": {
      "command": "gmc-mcp",
      "args": ["run"],
      "env": {
        "GMC_ACCOUNT_ID": "1234567890",
        "GMC_SERVICE_ACCOUNT_KEY": "/abs/path/to/service-account.json"
      }
    }
  }
}

Restart Claude. Ask: "What account am I connected to?" — it should call gmc_describe_server.

OAuth instead of a service account

For acting on behalf of an end user (e.g. multi-tenant SaaS):

server.ts

# 1. In GCP, create OAuth client credentials (type: Desktop), download client_secret.json.
gmc-mcp auth-init --client-secrets ./client_secret.json
# follow the browser flow; a token JSON is saved to secrets/oauth-token.json.

# 2. Use it
export GMC_OAUTH_TOKEN=./secrets/oauth-token.json
gmc-mcp run

Transports

Read the full README →View source on GitHub →

Related MCP Servers

View all in Developer Tools View all alternatives

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about Gmc MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "gmc-mcp": { "command": "npx", "args": ["-y", "gmc-mcp"] } }

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Showcase your server listing on GitHub or your project documentation. Embed this dynamic SVG badge to highlight official listing status and live engagement.

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Technical Specs & Signals

CategoryDeveloper Tools

39Quality signal: Fair · 39/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools16/30

Adoption & activity3/15

Community engagement0/10

★ Featured

AllMCPs Server

Explore Server →

Own this project?

Free dofollow backlink: add your website and place the AllMCPs badge on it — no claim needed. We detect it automatically and keep it verified as long as the badge stays live.

Claim & get free dofollow

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Gmc MCP →Install in Claude Desktop Install in Cursor Install in VS Code

Option	Type	API	License	Install	Tools
Adzviser / Catchr / Windsor.ai / Pipedream	Paid hosted SaaS	varies	proprietary	sign-up	varies
archpeng/GMC-mcp-server	Self-hosted	Content API v2.1 (deprecated 2026-08)	none declared	git clone	34
`gmc-mcp` (this package)	Self-hosted	Merchant API v1 (future-proof)	MIT	`pip install gmc-mcp`	126

Gmc MCP

Quick Install

Client Config & Setup

Documentation Overview

Google Merchant Center MCP (gmc-mcp)

Where this fits in the GMC + MCP landscape

Why this exists

What's exposed

Install

Quick start

1. Enable the Merchant API and create a service account

2. Add the service account to your Merchant Center

3. Configure

4. One-time GCP registration

5. Smoke-test

6. Wire into Claude

OAuth instead of a service account

Transports

Related MCP Servers

Reviews

Frequently Asked Questions about Gmc MCP

AllMCPs Directory Badge

Technical Specs & Signals

AllMCPs Server

Own this project?

Share & Embed

Explore more

Gmc MCP

Quick Install

Client Config & Setup

Documentation Overview

Google Merchant Center MCP (gmc-mcp)

Where this fits in the GMC + MCP landscape

Why this exists

What's exposed

Install

Quick start

1. Enable the Merchant API and create a service account

2. Add the service account to your Merchant Center

3. Configure

4. One-time GCP registration

5. Smoke-test

6. Wire into Claude

OAuth instead of a service account

Transports

Related MCP Servers

Reviews

Frequently Asked Questions about Gmc MCP

AllMCPs Directory Badge

Technical Specs & Signals

AllMCPs Server

Own this project?

Share & Embed

Explore more

Google Merchant Center MCP (`gmc-mcp`)

Google Merchant Center MCP (`gmc-mcp`)