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Heard adds voice to coding agents

·2026.05.03 07:43

Key point

Heard has been released as a voice guidance tool for Claude Code and Codex.

Details

Heard has been released as a free open-source tool that reads aloud the intermediate outputs and tool calls of Claude Code and Codex.

  • It runs on a Python daemon with a Unix socket and fire-and-forget hooks so it doesn't block agent work.
  • It supports ElevenLabs cloud TTS and Kokoro local TTS.
  • You can also opt in to persona-toned sentence rewriting with Claude Haiku 4.5.
  • heard run lets you wrap workflows beyond Claude Code and Codex as well.
  • It ships with both a macOS app and a CLI, licensed under Apache 2.0.
  • To reduce the initial issue of excessive narration, it includes 4 verbosity profiles and a swarm mode for multiple agents.
  • Future plans include Cursor and Aider adapters, along with Linux/Windows support.
claude-codecodexcoding-agenttext-to-speechvoice-interface
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