AlterPhone MCP for Claude Code

app.alterphone/phone-calls

Place real phone calls and hold spoken conversations on a user's behalf, billed per minute.

client:Claude Code transport:streamable-http

Install AlterPhone MCP in Claude Code

run in your project directory

claude mcp add --transport http phone-calls https://mcp.alterphone.app/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs