Google Tag Manager MCP Server

Instructions

Implementation Reference

• src/index.js:358-378 (schema)

  Schema definition including name, description, and input schema for the list_triggers MCP tool in the ListTools response.

    name: 'list_triggers',
    description: '指定されたワークスペースのトリガー一覧を取得します',
    inputSchema: {
      type: 'object',
      properties: {
        accountId: {
          type: 'string',
          description: 'アカウントID',
        },
        containerId: {
          type: 'string',
          description: 'コンテナID',
        },
        workspaceId: {
          type: 'string',
          description: 'ワークスペースID',
        },
      },
      required: ['accountId', 'containerId', 'workspaceId'],
    },
  },

• src/index.js:1144-1160 (handler)

  MCP tool handler for list_triggers that delegates to GTMClient.listTriggers and formats the response as JSON text content.

  case 'list_triggers':
    return {
      content: [
        {
          type: 'text',
          text: JSON.stringify(
            await this.gtmClient.listTriggers(
              args.accountId,
              args.containerId,
              args.workspaceId
            ),
            null,
            2
          ),
        },
      ],
    };

• src/gtm-client.js:198-204 (helper)

  Core implementation in GTMClient that calls the Google Tag Manager API to list triggers in the specified workspace.

  async listTriggers(accountId, containerId, workspaceId) {
    await this.ensureAuth();
    const response = await this.tagmanager.accounts.containers.workspaces.triggers.list({
      parent: `accounts/${accountId}/containers/${containerId}/workspaces/${workspaceId}`
    });
    return response.data.trigger || [];
  }