Qualisend Email Verification for ChatGPT

com.qualisend/email-verification

Verify email addresses and clean lists to improve deliverability and sender reputation.

client:ChatGPT transport:streamable-http tools:12

Install Qualisend Email Verification in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.qualisend.com/api/mcp

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