Sendblox for ChatGPT

io.sendblox/sendblox

AI outreach + email sending connected to your CRM. Requires a paid Sendblox account.

client:ChatGPT transport:streamable-http

Install Sendblox in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.sendblox.io/mcp

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