MACLookup MCP Server for ChatGPT

app.maclookup/mcp

Read-only MAC address, OUI, and vendor lookup tools for network diagnostics.

client:ChatGPT transport:streamable-http

Install MACLookup MCP Server in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.maclookup.app/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs