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The Growth Method MCP Client enables Growth Method to automatically add results to campaigns rather than manually copying & pasting data from tools such as GA4 and PostHog. Unlike the MCP server it does not require the use of ChatGPT or Claude and all tasks can be performed via the Growth Method UI. For marketers that don’t spent a lot of time in analytics tools and wish to use natural langugae and conversational AI to retrieve campaign results quickly and easily, this reduces friction and context switching between different marketing tools, enabling significant gains in productivity.

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Ideal customers

Teams that use our MCP client tend to already:
  1. Be familiar with MCP and using natural language interfaces to query tools such as GA4, PostHog and HubSpot. MCP enables them to get the benefits of Growth Method for campaign and experiment management but without having to login to other applications to get campaign results.
  2. Have a relatively modern marketing stack and be comfortable connecting their analytics tools and data-sources to Growth Method.

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Example workflow

Here is an example of a workflow using Growth Method and the GA4 MCP server:
  1. Ensure your GA4 MCP server is connected to Growth Method
  2. Once a campaign has moved to the analysing stage, open the data assistant pane in Growth Method
  3. Type “Get traffic and conversion data for the /pricing page based on the start and end dates for this campaign”
  4. Use the ‘add data’ button to add this data to your campaign
Note: in future, particularly for new versions of existing campaigns, we expect Growth Method will be able to retrieve relevant data from your analytics tool entirely autonomously as soon as the campaign moves to the analysing stage. Here are some of the most popular MCP servers used by Growth Method customers. For further information see https://growthmethod.com/mcp-servers/.
ServerDescription
GA4 MCP ServerGet Google Analytics metrics, dimensions, run reports and much more. https://growthmethod.com/ga4-mcp/
PostHog MCP ServerUse PostHog get-sql-insight tool to query the PostHog data warehouse with natural language https://growthmethod.com/posthog-mcp-server/
Zapier MCP ServerConnect to any Zapier supported tool without require a first-party native integration or auth complexity e.g. https://zapier.com/apps/google-analytics-4/integrations/schedule/1627326/generate-google-analytics-4-property-reports-every-day-with-schedule-by-zapier
GrowthBook MCP ServerConnect to GrowthBook’s experimentation platform to access experiment results and statistical significance data. https://growthmethod.com/growthbook-mcp/
Microsoft Clarity MCP ServerFetch website analytics and user behaviour data from Microsoft Clarity https://clarity.microsoft.com/blog/introducing-the-microsoft-clarity-mcp-server-a-smarter-way-to-fetch-analytics-with-ai/
Ahrefs MCP ServerGet keyword volume and SERPs data for content groups, keywords or URLs from Ahrefs https://github.com/ahrefs/ahrefs-mcp-server

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Useful resources

Some MCP server resources you may enjoy:
  1. Tools in the MCP Specification
  2. OpenAI function calling (aka tool calling)
  3. Guide to using the Responses API’s MCP Tool
  4. Understanding Authorization in MCP