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ga4-seo-mcp

ga4-seo-mcp

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ga4-seo-mcp — site measurement for AI agents, end to end

Get a site's measurement ready end to end: GA4 + Search Console + PageSpeed, with optional, guarded writes. An open source Model Context Protocol server for Google Analytics 4 & Search Console. Most MCP servers for Google read your data; this one can also set it up: property, web stream, key events, custom dimensions, Search Console DNS verification, sitemap and a PageSpeed baseline — read-only until you say otherwise.

License: MIT MCP Python CI PRs Welcome

GA4 SEO MCP server

Tags: mcp-server · ga4 · google-analytics · search-console · seo · pagespeed · core-web-vitals · keyword-research · claude-code · cursor


💡 Why this one?

Launching a site means the same chores every time: create the GA4 property and its web stream, mark the key events, register custom dimensions, add the domain to Search Console, publish a DNS TXT record, verify it, submit the sitemap, and record a PageSpeed baseline. ga4-seo-mcp turns that into one plan your agent shows you, and one confirmation.

ga4-seo-mcp

Google's official GA4 MCP

search-console-mcp

google-seo-mcp

GA4 reports (Data API)

✅

✅

✅

✅

Search Console

✅

—

✅ (+ Bing)

✅

PageSpeed Insights / CrUX

✅

—

✅

✅

Create GA4 property + web stream

✅

—

—

—

Create key events / custom dimensions

✅

—

—

✅

Search Console DNS verification

✅

—

—

—

One-call site plan → apply (idempotent)

✅ bootstrap_site_measurement

—

—

—

Read-only by default

✅ write tools are not even registered

read-only only

see its docs

✅ read-only mode

Toolsets

✅

—

—

✅

Language

Python

Python

TypeScript

TypeScript

Based on each project's README on 2026-10-19; "—" means we did not find it documented. Corrections welcome. Those projects go wider than this one (Bing, AdSense, WordPress, GEO audits…); this one goes deeper on setting up measurement.

Related MCP server: google-seo-mcp

🤝 Need this done for you?

This server is built and maintained by Germani Uicab. If you'd rather not run it yourself, ServerStack Solutions can get your GA4 + Search Console measurement ready: a written plan, property and key events configured, the DNS verification and sitemap in place, and a PageSpeed baseline — with a QA pass before handover.


Extras: optional keyword research with DataForSEO (exact long-tail volumes) and Google Ads Keyword Planner (free, bucketed volumes), with es-MX defaults that you can override.


⚡ Quick start

1. Install uv 0.13.4 or newer — the client launches the server with uvx; nothing else to install.

2. Log in with the minimum scopes. The CLI prints the exact gcloud command for the toolsets you enable:

uvx ga4-seo-mcp auth-command --client-id-file=oauth-client.json
# gcloud auth application-default login --client-id-file=oauth-client.json --scopes=https://www.googleapis.com/auth/cloud-platform,https://www.googleapis.com/auth/analytics.readonly,https://www.googleapis.com/auth/webmasters.readonly

Run the printed command. Google blocks Analytics and Search Console scopes on gcloud's built-in OAuth client, so you need your own (a one-time, few-minute setup) or a service account — both are explained in docs/AUTH.md.

3. Check everything before connecting a client (read-only, changes nothing):

uvx ga4-seo-mcp doctor
# [ok] credentials found: Credentials via Application Default Credentials
# [ok] access token refreshed
# [ok] token has the 2 scope(s) these toolsets need
# [ok] admin: <n> account(s) visible on the first page
# [ok] data: responded (<n> metrics in the schema)
# [ok] gsc: <n> site(s) visible
# [ok] psi: no Google login needed; PAGESPEED_API_KEY set
# all checks passed

4. Add it to your client (Claude Code shown; others below):

claude mcp add ga4-seo -- uvx ga4-seo-mcp

Ask: "List my GA4 properties and show last week's sessions for the first one."


🧰 Toolsets, scopes and tools

Enable only what you need with --toolsets (or GA4SEO_TOOLSETS). Default: admin,data,gsc,psi. Only the tools of active toolsets are registered, and the OAuth scopes follow.

Toolset

What

Scopes (read-only)

Extra scopes with --enable-writes

Tools (read + write)

admin

GA4 Admin API: accounts, properties, streams, key events, custom dimensions, Ads links, bootstrap_site_measurement

analytics.readonly

analytics.edit

9 + 10

data

GA4 Data API: reports, realtime, top pages, events, traffic sources, portfolio

analytics.readonly

—

8 + 0

gsc

Search Console: queries, pages, sitemaps, domain add + DNS verification

webmasters.readonly

webmasters, siteverification

5 + 3

psi

PageSpeed Insights: Lighthouse lab + CrUX field data

none (PAGESPEED_API_KEY recommended)

—

2 + 0

dataforseo

DataForSEO keyword ideas and exact volumes (paid)

none (DATAFORSEO_LOGIN / DATAFORSEO_PASSWORD)

—

2 + 0

ads

Google Ads Keyword Planner (needs pip install 'ga4-seo-mcp[ads]')

adwords

—

2 + 0

Tool counts from the real registry: 24 with the defaults, 37 with --enable-writes, 8 with --toolsets data, 41 with every toolset and writes. The full list with descriptions is in docs/TOOLS.md (generated from the registry and checked in CI).

Prompts: audit_ga4_setup, seo_360_audit, portfolio_performance_digest and launch_site_measurement (the guided flow: plan → your confirmation → apply → DNS verification → sitemap → PageSpeed baseline).

bootstrap_site_measurement

bootstrap_site_measurement(site_url="https://example.com", account_id="123456789",
                           property_display_name="Example", time_zone="America/Mexico_City",
                           currency_code="USD", key_events=["generate_lead"],
                           custom_dimensions=[{"parameter_name": "plan_type", "display_name": "Plan type"}])
  • apply=False (default): a plan. Read-only and always registered. It finds the existing property and web stream by the site's domain, the key events and custom dimensions already declared, and the Search Console domain property, and lists what would be created.

  • apply=True: executes the plan. Only works when the server runs with --enable-writes; otherwise it fails before touching anything. Idempotent: it skips what exists, so you can re-run it. Returns a step-by-step report with the measurement ID (G-…) and the DNS TXT token.

  • DNS verification (sc_verify_site_dns) and the sitemap (sc_submit_sitemap) stay explicit follow-up steps: you have to publish the TXT record first.


🔒 Security model

Defaults are safe for a single user on a laptop. Details and threat model: SECURITY.md.

  • Read-only by default. Without --enable-writes (or GA4SEO_ENABLE_WRITES=1), tools that create, update, delete, submit or verify are not registered at all — the model cannot call what does not exist.

  • MCP annotations on every tool: readOnlyHint on reads, destructiveHint on deletes and updates, idempotentHint where repeating is harmless, openWorldHint everywhere. Clients that honor them can auto-approve reads and ask before writes.

  • Minimum scopes: each Google client requests only the scope of the call it makes; auth-command asks only for the scopes of your toolsets.

  • HTTP transport (--transport streamable-http): binds to 127.0.0.1, DNS-rebinding protection on, CORS off unless MCP_CORS_ORIGINS, and an optional bearer token MCP_AUTH_TOKEN (401 without it). Listening on 0.0.0.0 without a token prints a warning, and LAN clients need MCP_ALLOWED_HOSTS or the rebinding protection answers 421.

  • Secrets (DataForSEO, Ads developer token, PageSpeed key) come only from environment variables or a chmod 600 file, and are never logged or returned in errors.


⚙️ Configuration

Variable

Default

Description

GOOGLE_APPLICATION_CREDENTIALS

—

Service account key file. Unset = Application Default Credentials from gcloud.

GA4SEO_TOOLSETS

admin,data,gsc,psi

Same as --toolsets.

GA4SEO_ENABLE_WRITES

0

1 = same as --enable-writes.

PAGESPEED_API_KEY

—

Recommended: the anonymous PageSpeed quota is shared and often exhausted (429).

DATAFORSEO_LOGIN, DATAFORSEO_PASSWORD

—

dataforseo toolset.

GOOGLE_ADS_DEVELOPER_TOKEN

—

ads toolset, or ~/.config/ga4-seo-mcp/dev-token with chmod 600.

GOOGLE_ADS_LOGIN_CUSTOMER_ID

—

Only when operating through a manager (MCC) account.

MCP_TRANSPORT

stdio

stdio, streamable-http or sse.

MCP_HOST / MCP_PORT

127.0.0.1 / 8000

HTTP bind address and port. A specific non-loopback address is added to the allowed Host headers; 0.0.0.0 is not, so set MCP_ALLOWED_HOSTS for LAN clients.

MCP_AUTH_TOKEN

—

Require Authorization: Bearer <token> on every HTTP request.

MCP_CORS_ORIGINS

—

Comma-separated exact origins for a browser client. Never *.

MCP_ALLOWED_HOSTS

—

Comma-separated host/IP values clients use (e.g. 192.168.1.10). Required when binding 0.0.0.0 and connecting over the LAN; DNS-rebinding protection rejects everything else with 421.

Copy .env.example as a starting point.


🔌 Connect your client

Every client launches the server over stdio. Add --enable-writes to args only for the session where you actually want to set up a site.

Claude Code

claude mcp add ga4-seo -- uvx ga4-seo-mcp
# with options:
claude mcp add ga4-seo -e PAGESPEED_API_KEY=your-key -- uvx ga4-seo-mcp --toolsets admin,data,gsc,psi

Claude Desktop (claude_desktop_config.json) and Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "ga4-seo": {
      "command": "uvx",
      "args": ["ga4-seo-mcp"],
      "env": { "PAGESPEED_API_KEY": "your-key" }
    }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "ga4-seo": {
      "type": "stdio",
      "command": "uvx",
      "args": ["ga4-seo-mcp"]
    }
  }
}

Docker (stdio). Mount your credentials file read-only — the ADC file from gcloud or a service account key — and run as your own user so the container can read a 0600 file:

docker run -i --rm --user "$(id -u):$(id -g)" \
  -v ~/.config/gcloud/application_default_credentials.json:/creds/credentials.json:ro \
  -e GOOGLE_APPLICATION_CREDENTIALS=/creds/credentials.json \
  ghcr.io/germaniu/ga4-seo-mcp

HTTP (several clients sharing one server):

MCP_AUTH_TOKEN=$(openssl rand -hex 32) uvx ga4-seo-mcp --transport streamable-http
# endpoint: http://127.0.0.1:8000/mcp  (send Authorization: Bearer <token>)

🩹 Troubleshooting

Symptom

Cause and fix

This app is blocked / access_denied during gcloud ... login

gcloud's built-in client cannot request Analytics or Search Console scopes. Use your own OAuth client (--client-id-file) and add yourself as a Test User of its consent screen — docs/AUTH.md.

cloud-platform scope is required but not requested

Use the command printed by ga4-seo-mcp auth-command: gcloud needs cloud-platform in the list. The server itself never requests it.

403 ... API has not been used in project

Enable the Google Analytics Admin API, Google Analytics Data API and Search Console API in your quota project, then gcloud auth application-default set-quota-project my-gcp-project.

403 ... does not have sufficient permissions for this property

Add your user (or the service account email) to the GA4 property or Search Console site.

ga4-seo-mcp doctor says the token is missing scopes

You logged in before enabling a toolset or writes. Re-run the auth-command output.

Write tools do not show up

Start the server with --enable-writes. It is off by default on purpose.

PageSpeed Insights error 429

The anonymous quota is shared by everyone. Create an API key and set PAGESPEED_API_KEY.

Keyword Planner volumes look rounded (10, 30, 170, 210…)

Google Ads reports bucketed volume for accounts without active spend. Use the dataforseo toolset for exact numbers.

A deleted GA4 property still appears

delete_property is a soft delete: Google keeps it in the trash for 35 days (list_properties(include_deleted=True)).

HTTP answers 421 Invalid Host header

DNS-rebinding protection. Connect with the host you bound (127.0.0.1/localhost, or the MCP_HOST address).

HTTP answers 401

Send Authorization: Bearer $MCP_AUTH_TOKEN.


📚 Documentation

🧪 Development

uv sync --all-extras
uv run ruff check . && uv run ruff format --check . && uv run pytest
uv run python scripts/smoke_stdio.py --expect 24   # real stdio initialize + tools/list

📄 License

MIT. Not affiliated with or endorsed by Google. Google Analytics, Search Console and PageSpeed Insights are trademarks of Google LLC.

Available Tools

24 tools
audit_portfolioB
Read-only

Summary metrics for several GA4 properties in one call.

Returns sessions, active users, conversions, bounce rate and average session duration per property, plus the properties that failed and why.

Args: property_ids: e.g. ['123456789', '987654321'].

Inputs: property_ids (required), date_end, date_start. Returns: object

bootstrap_site_measurementA
Read-only

Plan, and optionally apply, the full measurement setup of a website.

With apply=False (default) nothing is changed: it detects what already exists for the site (GA4 property and web stream matched by the site's domain, key events, custom dimensions, Search Console domain property) and returns the steps that would run. Show this plan to the user and get explicit confirmation before calling apply=True.

With apply=True (requires the server to run with --enable-writes) it creates only the missing pieces, skipping what exists, so it is safe to re-run. It returns a step-by-step report with the GA4 measurement ID (G-...) and the DNS TXT token for Search Console. DNS verification and sitemap submission stay manual follow-up steps (sc_verify_site_dns, sc_submit_sitemap) because the TXT record must be published first.

Args: site_url: the site, e.g. 'https://example.com'. account_id: GA4 account that owns (or will own) the property; see list_account_summaries. property_display_name: name for a new property; also used to find an existing one. time_zone: IANA time zone for a new property, e.g. 'America/Mexico_City'. currency_code: ISO 4217 currency for a new property, e.g. 'USD'. key_events: event names to mark as key events, e.g. ['generate_lead']. custom_dimensions: parameters to register as custom dimensions. apply: False = plan only (default); True = execute the plan.

Inputs: site_url (required), time_zone (required), account_id (required), currency_code (required), +4 more. Returns: object

conversions_summaryC
Read-only

Conversions and total users per event name: a summary of the active key events.

Inputs: property_id (required), date_end, date_start. Returns: object

events_summaryA
Read-only

Count of every event that fired, to audit what is actually being measured.

Compare it with list_key_events to find key events that never fire.

Inputs: property_id (required), limit, date_end, date_start. Returns: object

get_data_streamB
Read-only

Get one data stream, including the measurement ID of a web stream.

Inputs: stream_id (required), property_id (required). Returns: object

get_propertyB
Read-only

Get the full settings of a GA4 property (time zone, currency, industry, type).

Inputs: property_id (required). Returns: object

list_account_summariesA
Read-only

List every GA4 account you can access, with a summary of its properties.

Start here to find the account_id and property_id the other tools need.

Inputs: no named parameters. Returns: result

list_custom_dimensionsB
Read-only

List the custom dimensions declared on a GA4 property, with their scope.

Inputs: property_id (required). Returns: result

list_data_streamsB
Read-only

List the data streams (web, iOS, Android) of a GA4 property.

Web streams include their measurement ID (G-XXXXXXX) and default URI.

Inputs: property_id (required). Returns: result

list_key_eventsC
Read-only

List the key events (formerly conversions) declared on a GA4 property.

Inputs: property_id (required). Returns: result

list_propertiesA
Read-only

List the GA4 properties under an account.

Args: account_id: numeric account ID or 'accounts/123456789'. include_deleted: also return properties in the trash (soft-deleted, kept 35 days).

Inputs: account_id (required), include_deleted. Returns: result

psi_auditA
Read-only

Run a PageSpeed Insights audit (Lighthouse lab test + CrUX field data) on a public URL.

Takes 30-90 seconds. Without PAGESPEED_API_KEY the anonymous quota is small and Google may answer 429; set the key for regular use.

Args: url: absolute public URL, e.g. 'https://example.com/'. strategy: 'mobile' (default) or 'desktop'. categories: subset of ['performance', 'accessibility', 'best-practices', 'seo']. Default: all four.

Returns 0-100 category scores, lab Core Web Vitals (LCP, FCP, CLS, TBT, SI, TTFB) and, when Chrome has enough real-user traffic, CrUX p75 field data for the URL and its origin.

Inputs: url (required), strategy, categories. Returns: object

psi_field_data_onlyA
Read-only

Only the CrUX field data (real Chrome users, p75 over 28 days) for a URL and its origin.

PageSpeed Insights still runs a performance-only Lighthouse pass, so expect 15-40 seconds. overall_category is FAST, AVERAGE or SLOW; it is null when the page has too little traffic.

Inputs: url (required), strategy. Returns: object

run_realtime_reportA
Read-only

Realtime report for the last 30 minutes.

Useful to confirm that a new event fires in production right after a deploy.

Args: metrics: default ['activeUsers']; 'eventCount' also works. dimensions: default ['eventName']; also 'unifiedScreenName', 'country', 'deviceCategory'.

Inputs: property_id (required), limit, metrics, dimensions. Returns: object

run_reportA
Read-only

Run a flexible GA4 report.

Args: property_id: numeric ID or 'properties/123456789'. metrics: e.g. ['sessions', 'activeUsers', 'keyEvents']. Catalog: https://developers.google.com/analytics/devguides/reporting/data/v1/api-schema#metrics dimensions: optional, e.g. ['date', 'sessionSource', 'pagePath']. Catalog: https://developers.google.com/analytics/devguides/reporting/data/v1/api-schema#dimensions date_start: 'YYYY-MM-DD', 'today', 'yesterday' or 'NdaysAgo' (e.g. '28daysAgo'). date_end: same formats as date_start. limit: maximum rows (default 25). order_by_metric: sort by this metric, e.g. 'sessions'. order_desc: sort descending (default True).

Returns the dimension and metric names, the date range, row_count and the rows.

Inputs: metrics (required), property_id (required), limit, date_end, +4 more. Returns: object

sc_list_sitemapsA
Read-only

List the sitemaps submitted for a Search Console site, with errors and warnings.

Inputs: site_url (required). Returns: result

sc_list_sitesA
Read-only

List the Search Console sites you can access.

Each entry has siteUrl ('sc-domain:example.com' for domain properties or a URL prefix like 'https://example.com/') and permissionLevel ('siteOwner', 'siteFullUser', 'siteRestrictedUser' or 'siteUnverifiedUser').

Inputs: no named parameters. Returns: result

sc_page_performanceC
Read-only

Top pages in Google Search by clicks, with impressions, CTR (%) and average position.

Inputs: date_end (required), site_url (required), date_start (required), limit. Returns: object

sc_query_breakdown_by_pageB
Read-only

Which search queries bring traffic to one specific page.

Useful to decide which keywords to strengthen in that page's content.

Inputs: date_end (required), page_url (required), site_url (required), date_start (required), +1 more. Returns: object

sc_top_queriesA
Read-only

Top search queries with clicks, impressions, CTR (%) and average position.

Args: site_url: 'sc-domain:example.com' or 'https://example.com/', exactly as in sc_list_sites. date_start: 'YYYY-MM-DD'. date_end: 'YYYY-MM-DD'. Search Console data lags 2-3 days. limit: rows to return (max 25000). country: optional ISO 3166-1 alpha-3 code to filter by, e.g. 'mex' or 'usa'.

Inputs: date_end (required), site_url (required), date_start (required), limit, +1 more. Returns: object

top_pagesC
Read-only

Top pages by sessions, with active users, bounce rate and average session duration.

Inputs: property_id (required), limit, date_end, date_start. Returns: object

traffic_sourcesC
Read-only

Top traffic sources (source / medium) with sessions, active users and conversions.

Inputs: property_id (required), limit, date_end, date_start. Returns: object

web_vitals_summaryA
Read-only

Core Web Vitals reported by your own site as GA4 events.

Requires the site to send web-vitals events with the parameters web_vital_metric and web_vital_rating, both registered as event-scoped custom dimensions. For Google's field data use psi_field_data_only instead.

Inputs: property_id (required), date_end, date_start. Returns: object

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    B3.4/5.0

    Scored across 24 tools

    Disambiguation4/5

    Most tools have distinct resource+action targets, and the descriptions clearly separate similar pairs (psi_audit vs psi_field_data_only, web_vitals_summary vs psi_field_data_only). However, top_pages, events_summary, traffic_sources and conversions_summary are all essentially preset versions of run_report, creating mild overlap an agent must reason about.

    Naming Consistency4/5

    Names use consistent snake_case verb_noun within each domain (list_properties, get_property, run_report; sc_list_sites, sc_top_queries; psi_audit). The sc_/psi_ prefixes are meaningful namespacing, though GA4 tools carry no prefix, leaving a minor stylistic inconsistency across domains.

    Tool Count3/5

    24 tools is on the heavy side for the stated scope and exceeds the comfortable 3-15 range. Several reporting tools (top_pages, events_summary, traffic_sources, conversions_summary) are convenience wrappers around run_report, so the surface is somewhat inflated.

    Completeness4/5

    Reporting, GA4 admin reads, Search Console analytics and PageSpeed are well covered, and bootstrap_site_measurement handles provisioning. Gaps exist: no GA4 config write/update tools and no sc_verify_site_dns/sc_submit_sitemap tools despite bootstrap referencing them as follow-up steps.

    Maintenance

    ActivityMaintained
    ResponsivenessNo recent community issues

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