localhost:9090 - OpenClaw Dashboard & Web UI Port Guide


Updated on Jul 31, 2026

localhost:9090 / 9091

OpenClaw AI Dashboard Port

🤖 Open localhost:9090

Access your OpenClaw Dashboard running on port 9090 or 9091

Localhost:9090 (and occasionally 9091) is a widely paired port typically used for local AI dashboards and monitoring gateways. Most notably, it is the default port for the OpenClaw autonomous AI agent web UI and its WebSocket Gateway. It’s also well known among DevOps engineers as the default port for the Prometheus metrics monitoring system.

Port 9090 gives developers a convenient web interface to check up on agent logs, view monitoring statistics, or configure system boundaries without interfering with lower-range common ports like 8080 or 3000.

Access localhost:9090 from Other Devices

Use Pinggy tunnel to share your dashboard easily:

SSH CLI
Mac / Linux Windows Powershell Windows CMD

This exposes the UI instantly. Warning: If running an AI agent or database portal, ensure authentication is enabled before exposing it to the Internet.

Services and Software That Use Port 9090

🤖 AI & Local Apps

  • OpenClaw AI: Local agent's Web UI / WebSocket gateway
  • Cockpit: Server manager often using 9090

📊 DevOps & Monitoring

  • Prometheus: The premier monitoring and time-series DB
  • Various Exporters: Often default to 9091 or 9090

When using OpenClaw, the AI gateway actively listens on port 9090 to interface between messaging apps (like Telegram, Discord) and the underlying LLM models.

How to Troubleshoot Localhost:9090

🔍 Step 1: Check if the Local Server is Active

Action: Confirm OpenClaw (or Prometheus) is running.

🚫 Step 2: Try Port 9091

Action: If 9090 fails, the server may have automatically shifted to 9091. Open http://localhost:9091

🌐 Step 3: Test the Connection

Action: Run a simple curl test curl http://localhost:9090 to inspect the headers.

Common Problems and Solutions

Here are typical issues with localhost:9090 and how to resolve them:

❌ "Connection Refused" Error

Problem: You cannot reach the dashboard.

Solution: Ensure your server instance successfully completed its boot sequence in the terminal without errors.

⚠️ "Port Already in Use" Error

Problem: OpenClaw and Prometheus might be clashing.

Solution: Use lsof -i :9090 to check. Change one of their configurations to use 9091 to resolve conflicts.

Summary

  • What it is: localhost:9090 and 9091 are primarily used by AI dashboard web UIs and DevOps monitoring tools.
  • Troubleshooting: If 9090 conflicts (common due to Prometheus), the application usually automatically attempts 9091. Check local port bindings if both fail.

🚀 Quick Start Commands

# Check what is running on 9090
lsof -i :9090