PostHog

Overview

PostHog is a product platform that combines product and web analytics, session replay, feature flags, experiments, surveys, error tracking and a CDP in one place. The API URL above is US Cloud; EU Cloud projects use `https://eu.posthog.com`. The hosted MCP server routes to the right region from the account you sign in with. The CLI reads its key as `POSTHOG_CLI_API_KEY` and the API as `POSTHOG_PERSONAL_API_KEY`: each is the name that way's docs use.