PostHog MCP Server (Official Remote) vs Prometheus MCP Server

A side-by-side comparison of two Monitoring & Observability servers — tools, transport, auth, maintenance, and copy-paste config for each.

	PostHog MCP Server (Official Remote) Official PostHog server: product analytics, feature flags, experiments, error tracking and SQL. Verified stdio (local) API key TypeScript	Prometheus MCP Server Run PromQL queries and analyze Prometheus metrics from any MCP client. Verified stdio (local) No auth Python
Category	Monitoring & Observability	Monitoring & Observability
Language	TypeScript	Python
Transport	stdio (local)	stdio (local)
Auth	API key	None
GitHub stars	350	340
Last commit	4 months ago	1 month ago
Verified
Actively maintained
Install	`npx @posthog/wizard@latest mcp add`	`uvx prometheus-mcp-server`
Repo	Open	Open

Verdict

Pick PostHog MCP Server (Official Remote) if you want the official, vendor-maintained server, and you need the broadest set of tools.

Pick Prometheus MCP Server if you want zero-setup with no API key.

Add PostHog MCP Server (Official Remote)

Install / run

npx @posthog/wizard@latest mcp add

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "posthog-mcp-server-official-remote": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://mcp.posthog.com/mcp",
        "--header",
        "Authorization:${POSTHOG_AUTH_HEADER}"
      ],
      "env": {
        "POSTHOG_AUTH_HEADER": "Bearer <your-personal-api-key>"
      }
    }
  }
}

Add Prometheus MCP Server

Install / run

uvx prometheus-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "prometheus-mcp-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "PROMETHEUS_URL",
        "ghcr.io/pab1it0/prometheus-mcp-server:latest"
      ],
      "env": {
        "PROMETHEUS_URL": "<your-prometheus-url>"
      }
    }
  }
}

Requires Docker to be installed and running.

FAQ

PostHog MCP Server (Official Remote) or Prometheus MCP Server — which is better?

Pick PostHog MCP Server (Official Remote) if you want the official, vendor-maintained server, and you need the broadest set of tools. Pick Prometheus MCP Server if you want zero-setup with no API key.

Can I use both PostHog MCP Server (Official Remote) and Prometheus MCP Server?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do PostHog MCP Server (Official Remote) and Prometheus MCP Server work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View PostHog MCP Server (Official Remote) →View Prometheus MCP Server →More comparisons →