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ParrotVoice

An ESP32 that lets your AI agent place and answer real phone calls.

Full build guide

ParrotVoice
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Build sheet

Board
ESP32-WROOM-32 (Bluetooth HFP to phone)
Other parts
PC running Chrome Web Serial bridge
AI model or service
Voice AI model of choice + MCP for Claude Code / Codex / Grok call control
Difficulty
Intermediate

Overview

A classic ESP32-WROOM-32 pairs with your phone over Bluetooth HFP and bridges call audio through Web Serial to a voice AI, so Claude/Codex/Grok (via MCP) can make and answer calls on your own SIM — demo has Claude calling a store about a headphone return.

How it works

An ESP32-WROOM-32 pairs with your phone over Bluetooth HFP and bridges call audio through Web Serial to a voice AI that Claude, Codex or Grok drive via MCP.

Hardware

  • ESP32-WROOM-32 (Bluetooth HFP to phone)
  • PC running Chrome Web Serial bridge

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