Cartesia (Voice AI) MCP Server for OpenAI Agents SDKGive OpenAI Agents SDK instant access to 20 tools to Clone Voice, Create Pronunciation Dict, Delete Pronunciation Dict, and more

Name: Cartesia (Voice AI)
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Cartesia (Voice AI) through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

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The Cartesia (Voice AI) MCP Server for OpenAI Agents SDK is a standout in the Ai Frontier category — giving your AI agent 20 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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python

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="Cartesia (Voice AI) Assistant",
            instructions=(
                "You help users interact with Cartesia (Voice AI). "
                "You have access to 20 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Cartesia (Voice AI)"
        )
        print(result.final_output)

asyncio.run(main())

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* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Cartesia (Voice AI) MCP Server

Connect Cartesia to your AI agent to unlock high-performance voice synthesis and speech recognition. Cartesia's Sonic models provide industry-leading latency and quality for real-time applications.

The OpenAI Agents SDK auto-discovers all 20 tools from Cartesia (Voice AI) through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Cartesia (Voice AI), another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

Text-to-Speech (TTS) — Generate high-fidelity audio bytes or stream via SSE using models like Sonic 3.5 and Sonic 3.
Speech-to-Text (STT) — Transcribe audio files into text using the Ink Whisper model with multi-language support.
Voice Cloning — Create custom voice models from as little as 5 seconds of audio input.
Voice Management — List, retrieve, and update voices, or use the Voice Changer to transform existing audio.
Pronunciation Control — Manage custom pronunciation dictionaries for specialized terminology or accents.
Agent Orchestration — List and manage AI agents and monitor call logs and usage credits.

The Cartesia (Voice AI) MCP Server exposes 20 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 20 Cartesia (Voice AI) tools available for OpenAI Agents SDK

When OpenAI Agents SDK connects to Cartesia (Voice AI) through Vinkius, your AI agent gets direct access to every tool listed below — spanning text-to-speech, speech-to-text, voice-synthesis, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

clone

Clone voice on Cartesia (Voice AI)

Clone a voice from a 5s audio clip

create

Create pronunciation dict on Cartesia (Voice AI)

Create a new pronunciation dictionary

delete

Delete pronunciation dict on Cartesia (Voice AI)

Delete a pronunciation dictionary

delete

Delete voice on Cartesia (Voice AI)

Delete a voice

generate

Generate access token on Cartesia (Voice AI)

Generate a short-lived access token for client-side requests

get

Get agent on Cartesia (Voice AI)

Get details for a specific voice agent

get

Get usage credits on Cartesia (Voice AI)

Get credit usage statistics

get

Get voice on Cartesia (Voice AI)

Get details for a specific voice

infill

Infill bytes on Cartesia (Voice AI)

Generate audio to smoothly connect two existing segments

list

List agent calls on Cartesia (Voice AI)

List calls and transcripts for a specific agent

list

List agents on Cartesia (Voice AI)

List all voice agents

list

List pronunciation dicts on Cartesia (Voice AI)

List pronunciation dictionaries

list

List voices on Cartesia (Voice AI)

List available voices

localize

Localize voice on Cartesia (Voice AI)

Adapt a voice to a new language/dialect

stt

Stt batch on Cartesia (Voice AI)

Transcribe audio file to text (Batch STT)

tts

Tts bytes on Cartesia (Voice AI)

Generate text-to-speech audio bytes

tts

Tts sse on Cartesia (Voice AI)

Generate text-to-speech via Server-Sent Events

update

Update pronunciation dict on Cartesia (Voice AI)

Update a pronunciation dictionary

update

Update voice on Cartesia (Voice AI)

Update voice metadata

voice

Voice changer bytes on Cartesia (Voice AI)

Change voice of an audio clip while preserving intonation

Connect Cartesia (Voice AI) to OpenAI Agents SDK via MCP

Follow these steps to wire Cartesia (Voice AI) into OpenAI Agents SDK. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 20 tools from Cartesia (Voice AI)

Why Use OpenAI Agents SDK with the Cartesia (Voice AI) MCP Server

OpenAI Agents SDK provides unique advantages when paired with Cartesia (Voice AI) through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

Cartesia (Voice AI) + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Cartesia (Voice AI) MCP Server delivers measurable value.

Automated workflows: build agents that query Cartesia (Voice AI), process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries Cartesia (Voice AI), another analyzes results, a third generates reports

Data enrichment pipelines: stream data through Cartesia (Voice AI) tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Cartesia (Voice AI) to resolve tickets, look up records, and update statuses without human intervention

Example Prompts for Cartesia (Voice AI) in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with Cartesia (Voice AI) immediately.

"List all available voices in my Cartesia account."

"Generate a WAV audio file saying 'Welcome to the future of AI' using voice ID 79a045e3-a621-4923-b05c-8029db0dffca."

"Check my current usage credits on Cartesia."

Troubleshooting Cartesia (Voice AI) MCP Server with OpenAI Agents SDK

Common issues when connecting Cartesia (Voice AI) to OpenAI Agents SDK through Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Cartesia (Voice AI) + OpenAI Agents SDK FAQ

Common questions about integrating Cartesia (Voice AI) MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.