mcp

mcp

14
monitoringcloud_platforms

PostHog MCP is a server allowing users to leverage PostHog functionality via the Model Context Protocol. It provides users with insights into feature flags and errors, enhancing user experience through a desktop client interface.

PostHog MCP

Use the MCP Server

  1. Obtain a personal API key on PostHog with appropriate permissions

  2. Add the MCP configuration to your desktop client (e.g. Cursor, Windsurf, Claude Desktop) and add your personal API key

{
  "mcpServers": {
    "posthog": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://mcp.posthog.com/sse",
        "--header",
        "Authorization:${POSTHOG_API_TOKEN}"
      ],
      "env": {
        "POSTHOG_API_TOKEN": "Bearer {INSERT_YOUR_PERSONAL_API_KEY_HERE}"
      }
    }
  }
}

Here are some examples of prompts you can use:

  • What feature flags do I have active?
  • Add a new feature flag for our homepage redesign
  • What are my most common errors?

Running locally

Environment variables

  • Create .dev.vars in the root
  • Add Inkeep API key to enable docs-search tool (see Inkeep API key - mcp)
INKEEP_API_KEY="..."