Utilix for ChatGPT

io.github.utilix-tech/utilix-mcp

300+ offline developer utilities, plus 21 AI tools with a free API key. JSON, JWT, regex, cron, SQL.

client:ChatGPT transport:streamable-http runtime:npm

Install Utilix in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.utilix.tech

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