MCP servers · ElevenLabs · MCP server
Connect Codex CLI to ElevenLabs
One line gives Codex CLI your ElevenLabs account as tools: 8 endpoints, text to speech, voices, audio, called with your own connection. No key in the prompt, a receipt for every call, revoke Codex CLI's access alone any time.
Three steps
- Create a free 0n3 account and connect ElevenLabs. Paste a key or sign in; it lands in your vault, encrypted.
- Install 0n3 into Codex CLI. OpenAI's terminal agent reads 0n3 over Streamable HTTP with a token from your environment.
- Ask Codex CLI: whoami. Then: "Text to speech in ElevenLabs".
Put the token in your environment
export ON3_TOKEN="<your 0n token>"
Add it to your shell profile so Codex finds it next time.
The line above carries a placeholder; 0n3.app/install mints a real key named for Codex CLI and fills it in.
What Codex CLI can then do in ElevenLabs
Text to speech · Convert text to natural speech2
Text to speech
POST /v1/text-to-speech/{voice_id}Text to speech stream
POST /v1/text-to-speech/{voice_id}/streamVoices · List, get, and clone voices3
List voices
GET /v1/voicesGet a voice
GET /v1/voices/{voice_id}Delete a voice
DELETE /v1/voices/{voice_id}Audio · View generation history0
View generation history
More · Everything else this app exposes.3
Get models
GET /v1/modelsGet a history
GET /v1/historyGet an user
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