Google Tag Manager MCP

io.github.A1-x-Tech/mcp-google-tagmanagerv0.1.1Docker & Containers

MCP server for the Google Tag Manager API v2: containers, workspaces, tags, triggers, publishing.

In-path gate · all MCP tools

Using Google Tag Manager MCP in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire

Auditable install path →Watch it hold a drift →

Trust verdict · v1 advisory · method

NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-08-09).

Contracts can change after screening, with no version bump. The gate pins Google Tag Manager MCP’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Environment variables

GOOGLE_TAGMANAGER_CLIENT_ID

Google OAuth client id (refresh-token flow).

GOOGLE_TAGMANAGER_CLIENT_SECRET

secret

Google OAuth client secret (refresh-token flow). Treat it as a secret.

GOOGLE_TAGMANAGER_REFRESH_TOKEN

secret

Google OAuth refresh token; exchanged for access tokens automatically. Treat it as a secret.

GOOGLE_TAGMANAGER_ACCESS_TOKEN

secret

Ready-made OAuth access token (~1h lifetime). Alternative to the client-id/secret/refresh-token trio.

GOOGLE_TAGMANAGER_API_BASE

API root host override.

GOOGLE_TAGMANAGER_TIMEOUT_MS

Per-request timeout in milliseconds.

GOOGLE_TAGMANAGER_MAX_RETRIES

Retries on transient errors (429, quota 403, and 5xx/network for reads).

GOOGLE_TAGMANAGER_MIN_INTERVAL_MS

Minimum spacing between API requests, for the 0.25 QPS quota.

MCP quality score · maturity, not trust · methodology

freshness

completeness

installability

documentation

stability

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Install this server

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "mcp-google-tagmanager": {
      "command": "npx",
      "args": [
        "-y",
        "--",
        "mcp-google-tagmanager"
      ],
      "env": {
        "GOOGLE_TAGMANAGER_CLIENT_ID": "<google_tagmanager_client_id>",
        "GOOGLE_TAGMANAGER_CLIENT_SECRET": "<your-google_tagmanager_client_secret>",
        "GOOGLE_TAGMANAGER_REFRESH_TOKEN": "<your-google_tagmanager_refresh_token>",
        "GOOGLE_TAGMANAGER_ACCESS_TOKEN": "<your-google_tagmanager_access_token>",
        "GOOGLE_TAGMANAGER_API_BASE": "https://tagmanager.googleapis.com",
        "GOOGLE_TAGMANAGER_TIMEOUT_MS": "60000",
        "GOOGLE_TAGMANAGER_MAX_RETRIES": "3",
        "GOOGLE_TAGMANAGER_MIN_INTERVAL_MS": "4200"
      }
    }
  }
}

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "mcp-google-tagmanager": {
      "command": "npx",
      "args": [
        "-y",
        "--",
        "mcp-google-tagmanager"
      ],
      "env": {
        "GOOGLE_TAGMANAGER_CLIENT_ID": "<google_tagmanager_client_id>",
        "GOOGLE_TAGMANAGER_CLIENT_SECRET": "<your-google_tagmanager_client_secret>",
        "GOOGLE_TAGMANAGER_REFRESH_TOKEN": "<your-google_tagmanager_refresh_token>",
        "GOOGLE_TAGMANAGER_ACCESS_TOKEN": "<your-google_tagmanager_access_token>",
        "GOOGLE_TAGMANAGER_API_BASE": "https://tagmanager.googleapis.com",
        "GOOGLE_TAGMANAGER_TIMEOUT_MS": "60000",
        "GOOGLE_TAGMANAGER_MAX_RETRIES": "3",
        "GOOGLE_TAGMANAGER_MIN_INTERVAL_MS": "4200"
      }
    }
  }
}

Cline (cline_mcp_settings.json)

npx -y -- mcp-google-tagmanager

Claude Code (claude mcp add)

claude mcp add --scope user mcp-google-tagmanager -- npx -y -- mcp-google-tagmanager

Gemini CLI (gemini mcp add)

gemini mcp add -s user mcp-google-tagmanager npx -y -- mcp-google-tagmanager

Verdict API

curl -s mcpindex.ai/api/v1/trust/server/io-github-a1-x-tech-mcp-google-tagmanager

Free-tier verdict as JSON: decision + dimensions + severity. Call it from your agent before it invokes a tool it just discovered.

Details

version: v0.1.1
category: Docker & Containers
quality: 90 / 100
operator: A1-x-Tech

Listing

Listed from the official MCP registry. Unclaimed by its maintainer. Maintainer? Email us →

Provenance

Each verdict is bound to a hash of the exact description it judged, so a re-crawl that changes the text produces a new record rather than silently inheriting this one. Verdict history is hash-chained and anchored to Bitcoin via OpenTimestamps (latest confirmed at block 961,680). Verify it yourself.

Links

Repository →Website →