echo for ChatGPT

com.thetempleofdoom.echo-mcp/echo

Text-to-speech API: neural voices, pay-per-credit in Bitcoin sats via BTCPay.

client:ChatGPT transport:streamable-http tools:5

Install echo in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://echo-mcp.thetempleofdoom.com/mcp

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