agentglass for ChatGPT

net.agentglass/agentglass

Scan any public URL for hidden instructions aimed at AI agents (prompt injection). Free, no auth.

client:ChatGPT transport:streamable-http tools:1

Install agentglass in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://agentglass.net/mcp

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