ElevenLabs

At a glance

Availability: Experimental (how to enable).
Auth: API key.
Connection: The key from ELEVENLABS_API_KEY is sent as the xi-api-key header.
Docs: https://elevenlabs.io/docs/api-reference/authentication

Set these per environment. See Connect an integration.

Variable	Required	Description
`ELEVENLABS_API_KEY`	Yes	ElevenLabs API key from app settings Docs.

Create an ElevenLabs account: Go to https://elevenlabs.io and sign up or sign in. The free tier includes a monthly character allowance suitable for testing.
Create an API key: Open https://elevenlabs.io/app/settings/api-keys and click ‘Create API Key’. You can restrict the key to specific permissions (e.g. text-to-speech, voices read).
Store the key: Copy the key and add it to your .env file as ELEVENLABS_API_KEY=…
Verify access: Run the Get Subscription tool to confirm the key works and see your character quota.

Authentication uses the xi-api-key header, not Authorization
Text to Speech returns raw binary audio (application/octet-stream), not JSON - treat the response as a file
Speech synthesis consumes characters from your plan quota; overages depend on your subscription tier

Tool	Access	Description
List Voices	Read	List and search the voices available to the account
Get Voice	Read	Get details about a specific voice
List Models	Read	List the speech models available to the account
Get Subscription	Read	Get subscription tier, character usage, and limits for the account
Text to Speech	Write	Convert text to speech with a chosen voice; the response is binary audio (not JSON), so route the output to a file or player rather than parsing it

List my available ElevenLabs voices and summarize them by category.
Check my ElevenLabs subscription and tell me how much of my character quota is left.