<provider-id>
Free<What it does, one line>. Trigger phrases: <phrases>.
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gabrielmoreira/agent-skills-mirror19Updated Oct 24, 2026
FreePublished on GitHub
cartesia
Cartesia text-to-speech: synthesize speech audio and browse voices. Trigger phrases: cartesia, text to speech, TTS, synthesize voice, voiceover.
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Run score Not tested
See how to installFiles included (1)
- SKILL.md3.0 KB
SKILL.md (original)
Review the instructions the agent will receive before you install.
Cartesia
Purpose
Generate spoken audio from text with Cartesia's Sonic models (40+ languages) and browse the Cartesia voice library. Reach for this when the user wants narration, voiceovers, or spoken-audio files produced from a script.
Tooling
All commands go through bin/cartesia.py. Every request automatically sends the required date header Cartesia-Version: 2026-08-14.
bin/cartesia.py auth
# {"ok": true, "voices": 60} on success
bin/cartesia.py voices
# list available voices (id, name, language)
bin/cartesia.py voice-get --id <VOICE_ID>
# details for a single voice
bin/cartesia.py tts --text "Hello world" --voice-id <VOICE_ID> --out narration.wav
# synthesize speech to a local WAV file; prints the saved path
bin/cartesia.py tts --text "Bonjour le monde" --voice-id <VOICE_ID> \
--language fr --model-id sonic-3 --out fr.wav
Notes:
ttsreturns audio binary. The CLI writes it to--out(defaultcartesia-output.wav) and prints the resulting path.- Streaming TTS (
POST /tts/sse) and the WebSocket TTS/STT surfaces are real-time and outside CLI scope.
Auth
- Provider id:
cartesia(credential is collected ascustom.cartesia) - Collection: Cartesia API key (
sk_car_...) via the secure credential flow (credentials.request_api_access); create one at play.cartesia.ai/keys - Allowed hosts:
api.cartesia.ai - Connect placement:
bearer_header(the key goes inAuthorization: Bearer <key>) - The API also requires the date header
Cartesia-Version: 2026-08-14on every request; the CLI sends it for you. - Status check:
bin/cartesia.py auth
Operating Rules
- TTS synthesis is credit-metered. Every
ttscall spends Cartesia credits, so synthesize only what the user asked for and batch long scripts into as few calls as possible. - Voice creation and voice cloning are confirmation-gated: confirm with the user before creating or cloning any voice. This draft CLI does not ship a clone command; use the Cartesia dashboard or SDK for cloning.
- Never use API keys in client-side code. The connector only ever handles the surrogate, never the raw key.
- The CLI pins
Cartesia-Version: 2026-08-14. Treat a version bump like a dependency upgrade and do not change the date casually.
Files
- SKILL.md
- bin/cartesia.py
Maturity
🧪 Draft: written from Cartesia's public API docs with header and paths cross-checked against official docs at build time; not yet live-tested end-to-end. Voice create/clone and pronunciation dictionaries are not yet in the CLI.
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