mcp
3.5
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PostHog MCP is a server that allows integration with PostHog's API for managing feature flags, tracking errors, and more.
PostHog MCP
Use the MCP Server
Quick install
You can install the MCP server automatically into popular clients by running the following command:
npx @posthog/wizard@latest mcp add
Manual install
-
Obtain a personal API key using the MCP Server preset here.
-
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_AUTH_HEADER}"
],
"env": {
"POSTHOG_AUTH_HEADER": "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.varsin the root - Add Inkeep API key to enable
docs-searchtool (seeInkeep API key - mcp)
INKEEP_API_KEY="..."
