Lmnt MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Lmnt MCP or direct API to generate audio, transform voice recordings, edit sound clips, and analyze speech through natural language.

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Lmnt is an AI-powered audio and voice manipulation platform for creative and technical sound work. It makes generating and transforming audio fast, flexible, and accessible for every developer.

8 Tools

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Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
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TOOLS

Supported Tools

Every Lmnt action and event your agent gets out of the box.

Create Voice

Creates a custom voice in LMNT by training on uploaded audio samples.

Delete Voice Info

Deletes a voice from your LMNT account.

Generate Speech With Metadata

Generates speech from text and returns JSON with base64-encoded audio and optional word-level timing metadata.

Get Account

Retrieves account information including subscription plan details and current usage statistics.

Get Voice Info

Gets metadata for a specific LMNT voice, including active status, supported languages, and plan availability.

Get Voices List

Retrieves a list of available voices from LMNT.

Synthesize Speech

Synthesizes speech from text using LMNT's AI voices.

Update Voice Info

Updates information about a specific voice in LMNT.

SETUP GUIDE

Connect Lmnt MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK and Claude Agent SDK
2

Create Tool Router Session

typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });

console.log("Creating Tool Router session...");
const { mcp } = await composio.create('your-user-id');
console.log(`Tool Router session created: ${mcp.url}`);
Initialize the Composio client and create a Tool Router session
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText, stepCountIs } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: mcp.url,
    headers: { 'x-api-key': 'your-composio-api-key' }
  }
});

const tools = await client.tools();

const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{ role: 'user', content: 'Synthesize speech saying “Welcome to our demo” using the first available voice' }],
  stopWhen: stepCountIs( 5 )
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent
SETUP GUIDE

Connect Lmnt API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
Import and initialize Composio client, then create a Tool Router session
3

Execute Lmnt Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'Synthesize speech from this text: "Welcome to the podcast!" using my preferred voice'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Lmnt actions with your Agent

Why Use Composio?

AI Native Lmnt Integration

  • Supports both Lmnt MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Lmnt data

Managed Auth

  • Built-in API Key storage and rotation for Lmnt
  • Central place to manage, scope, and revoke Lmnt access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Lmnt
  • Scoped, least privilege access to Lmnt resources
  • Full audit trail of agent actions to support review and compliance
FAQ

Frequently asked questions

Yes, Lmnt requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

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