Phonecall MCP

Places phone calls through Twilio and an xAI voice agent from a self-hosted Cloudflare Worker. MCP tools start calls, wait for questions, relay decisions and retrieve transcripts. Requires Node.js 20 or later and funded provider accounts. Calls and simulations use provider services. Approve recipients, disclosure, shared information and spending before dialing. Public source repository created November 4, 2026 (UTC).

MCP unverified

Integration

Transport	`http`
Auth	`api-key`
Endpoint	https://<your-worker-domain>/mcp
Install	`Review the source, prepare Node.js 20 or later and explicitly approved Cloudflare, Twilio and xAI accounts; follow the documented Worker deployment and npm run setup only after approving account changes; connect the resulting /mcp URL with a private bearer token and at least a 50-second tool timeout; approve each real call separately`

Use Cases

01	Retrieve the transcript of an approved call
02	Answer a question while a call remains open
03	End an authorized call