Certifier MCP for ChatGPT

io.certifier/mcp

Official MCP server for Certifier to issue, manage, and track certificates and badges.

client:ChatGPT transport:streamable-http

Install Certifier MCP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.certifier.io/v1/mcp

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