AgentGrade for ChatGPT

com.agentgrade/mcp-server

Scan any website for AI agent readiness, payment protocols, and discovery endpoints

client:ChatGPT transport:streamable-http tools:4

Install AgentGrade in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://agentgrade.com/mcp

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