# AssemblyAI

```json
{
  "name": "AssemblyAI",
  "slug": "assemblyai",
  "url": "https://composio.dev/toolkits/assemblyai",
  "markdown_url": "https://composio.dev/toolkits/assemblyai.md",
  "logo_url": "https://logos.composio.dev/api/assemblyai",
  "categories": [
    "ai & machine learning"
  ],
  "is_composio_managed": false,
  "updated_at": "2026-08-13T07:36:54.142Z"
}
```

![AssemblyAI logo](https://logos.composio.dev/api/assemblyai)

## Description

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with AssemblyAI MCP or direct API to transcribe media, retrieve transcripts, generate summaries, and extract audio insights through natural language.

## Summary

AssemblyAI is a speech-to-text and audio intelligence API for uploaded or hosted media.
Use it to turn audio and video into accurate transcripts, summaries, and insights.

## Categories

- ai & machine learning

## Toolkit Details

- Tools: 9

## Images

- Logo: https://logos.composio.dev/api/assemblyai

## Authentication

- **Api Key**
  - Type: `api_key`
  - Description: Api Key authentication for AssemblyAI.
  - Setup:
    - Configure Api Key credentials for AssemblyAI.
    - Use the credentials when creating an auth config in Composio.

## Suggested Prompts

- Transcribe podcast episode and extract highlights
- Summarize customer call recording with chapters
- Generate subtitles for uploaded webinar audio

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `ASSEMBLYAI_DELETE_TRANSCRIPT` | Delete Transcript Content | Irreversibly delete a transcript's stored content. AssemblyAI retains a tombstone that later GET and list calls can still return, and those later responses may omit the is_deleted marker. |
| `ASSEMBLYAI_EXPORT_SUBTITLES` | Export Subtitles | Export a completed transcript as raw SRT or WebVTT subtitle text. |
| `ASSEMBLYAI_GET_REDACTED_AUDIO` | Get Redacted Audio | Get the processing status and short-lived signed download URL for PII-redacted audio. The transcript must have been submitted with text and audio PII redaction enabled and at least one explicit redaction policy. Treat the returned URL as transient and do not log, cache, or persist it. |
| `ASSEMBLYAI_GET_TRANSCRIPT` | Get Transcript | Retrieve an AssemblyAI transcript's current state and results, optionally waiting until asynchronous processing completes or fails. |
| `ASSEMBLYAI_GET_TRANSCRIPT_SEGMENTS` | Get Transcript Segments | Return sentence- or paragraph-level segments, timestamps, confidence, and words for a completed transcript. |
| `ASSEMBLYAI_LIST_TRANSCRIPTS` | List Transcripts | List project transcripts from the last 90 days, newest first, with optional filters and a cursor for the next older page. |
| `ASSEMBLYAI_SEARCH_TRANSCRIPT` | Search Transcript | Find words or phrases in a completed transcript and return occurrence counts and timestamps. |
| `ASSEMBLYAI_SUBMIT_TRANSCRIPT` | Submit Transcript | Queue an asynchronous pre-recorded transcription from a reachable media URL. Returns immediately with the transcript ID and processing status; use GET_TRANSCRIPT to wait for results. |
| `ASSEMBLYAI_UPLOAD_MEDIA` | Upload Media | Upload an audio or video file to AssemblyAI and return the project-private URL to use when submitting a transcript. AssemblyAI provides no API to delete this uploaded object; it remains subject to provider retention. |

## Supported Triggers

None listed.

## Installation and MCP Setup

### Path 1: SDK Installation

#### Path 1, Step 1: Install Composio

Install the Composio SDK
```python
pip install composio_openai
```

```typescript
npm install @composio/openai
```

#### Path 1, Step 2: Initialize Composio and Create Tool Router Session

Import and initialize Composio client, configure AssemblyAI API key auth, then create a Tool Router session
```python
from openai import OpenAI
from composio import Composio
from composio_openai import OpenAIResponsesProvider

composio = Composio(provider=OpenAIResponsesProvider())
openai = OpenAI()

auth_config = composio.auth_configs.create(
  toolkit='ASSEMBLYAI',
  auth_scheme='API_KEY'
)
connected_account = composio.connected_accounts.link(
  user_id='your-user-id',
  auth_config_id=auth_config.id,
  config={
    'api_key': 'your-assemblyai-api-key'
  }
)
session = composio.create(user_id='your-user-id')
```

```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 authConfig = await composio.auth_configs.create({
  toolkit: 'ASSEMBLYAI',
  auth_scheme: 'API_KEY',
});
const connectedAccount = await composio.connected_accounts.link({
  user_id: 'your-user-id',
  auth_config_id: authConfig.id,
  config: {
    api_key: 'your-assemblyai-api-key',
  },
});
const session = await composio.create('your-user-id');
```

#### Path 1, Step 3: Execute AssemblyAI Tools via Tool Router with Your Agent

Get tools from Tool Router session and execute AssemblyAI actions with your Agent
```python
tools = session.tools
response = openai.responses.create(
  model='gpt-4.1',
  tools=tools,
  input=[{
    'role': 'user',
    'content': 'Transcribe the audio file at https://storage.googleapis.com/aai-web-samples/5_common_sports_injuries.mp3 and summarize the key points'
  }]
)
result = composio.provider.handle_tool_calls(
  response=response,
  user_id='your-user-id'
)
print(result)
```

```typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'Transcribe the audio file at https://storage.googleapis.com/aai-web-samples/5_common_sports_injuries.mp3 and summarize the key points'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
```

### Path 2: MCP Server Setup

#### Path 2, Step 1: Install Composio

Install the Composio SDK for Python or TypeScript
```python
pip install composio claude-agent-sdk
```

```typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
```

#### Path 2, Step 2: Initialize Client and Create Tool Router Session

Import and initialize the Composio client, configure AssemblyAI API key auth, then create an MCP server for AssemblyAI
```python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')

auth_config = composio.auth_configs.create(
    toolkit='ASSEMBLYAI',
    auth_scheme='API_KEY'
)
connected_account = composio.connected_accounts.link(
    user_id='your-user-id',
    auth_config_id=auth_config.id,
    config={
        'api_key': 'your-assemblyai-api-key'
    }
)
mcp = composio.mcp.create(
    user_id='your-user-id',
    toolkits=['ASSEMBLYAI'],
    auth_config_ids=[auth_config.id]
)
url = mcp.url
```

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

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

const authConfig = await composio.auth_configs.create({
  toolkit: 'ASSEMBLYAI',
  auth_scheme: 'API_KEY',
});
const connectedAccount = await composio.connected_accounts.link({
  user_id: 'your-user-id',
  auth_config_id: authConfig.id,
  config: {
    api_key: 'your-assemblyai-api-key',
  },
});
const mcp = await composio.mcp.create({
  user_id: 'your-user-id',
  toolkits: ['ASSEMBLYAI'],
  auth_config_ids: [authConfig.id],
});
console.log(`AssemblyAI MCP server created: ${mcp.url}`);
```

#### Path 2, Step 3: Connect to AI Agent

Use the MCP server with your AI agent (Anthropic Claude or Mastra)
```python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to AssemblyAI tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Transcribe the audio file at https://storage.googleapis.com/aai-web-samples/5_common_sports_injuries.mp3 and summarize the key points')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
```

```typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } 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: 'Transcribe the audio file at https://storage.googleapis.com/aai-web-samples/5_common_sports_injuries.mp3 and summarize the key points'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
```

## Why Use Composio?

### 1. AI Native AssemblyAI Integration

- Supports both AssemblyAI MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable transcription and audio intelligence workflows
- Rich coverage for creating transcripts, checking status, reading results, and pulling insights from audio

### 2. Managed Auth

- Secure API key storage for AssemblyAI credentials, without hard-coding secrets in agent code
- Central place to manage, scope, and revoke AssemblyAI access
- Per user and per environment credentials for safer transcription workflows

### 3. Agent Optimized Design

- Tools are tuned using real error and success rates to improve reliability over time
- Clear tool schemas help agents pick the right AssemblyAI action for transcription, summarization, and retrieval tasks
- Comprehensive execution logs so you always know what ran, when, and on whose behalf

### 4. Enterprise Grade Security

- Fine-grained RBAC so you control which agents and users can access AssemblyAI
- Scoped, least privilege access to AssemblyAI transcription and audio intelligence workflows
- Full audit trail of agent actions to support review and compliance

## Use AssemblyAI with any AI Agent Framework

Choose a framework you want to connect AssemblyAI with:

- [ChatGPT Work](https://composio.dev/toolkits/assemblyai/framework/chatgpt)
- [Claude Cowork](https://composio.dev/toolkits/assemblyai/framework/claude-cowork)
- [Hermes](https://composio.dev/toolkits/assemblyai/framework/hermes-agent)

## Related Toolkits

- [Composio](https://composio.dev/toolkits/composio) - Composio is an integration platform that connects AI agents with hundreds of business tools. It streamlines authentication and lets you trigger actions across services—no custom code needed.
- [Composio search](https://composio.dev/toolkits/composio_search) - Composio search is a unified web search toolkit spanning travel, e-commerce, news, financial markets, images, and more. It lets you and your apps tap into up-to-date web data from a single, easy-to-integrate service.
- [Perplexityai](https://composio.dev/toolkits/perplexityai) - Perplexityai delivers natural, conversational AI models for generating human-like text. Instantly get context-aware, high-quality responses for chat, search, or complex workflows.
- [Browser tool](https://composio.dev/toolkits/browser_tool) - Browser tool is a virtual browser integration that lets AI agents interact with the web programmatically. It enables automated browsing, scraping, and action-taking from any AI workflow.
- [Ai ml api](https://composio.dev/toolkits/ai_ml_api) - Ai ml api is a suite of AI/ML models for natural language and image tasks. It provides fast, scalable access to advanced AI capabilities for your apps and workflows.
- [Aivoov](https://composio.dev/toolkits/aivoov) - Aivoov is an AI-powered text-to-speech platform offering 1,000+ voices in over 150 languages. Instantly turn written content into natural, human-like audio for any application.
- [All images ai](https://composio.dev/toolkits/all_images_ai) - All-Images.ai is an AI-powered image generation and management platform. It helps you create, search, and organize images effortlessly with advanced AI capabilities.
- [Anthropic administrator](https://composio.dev/toolkits/anthropic_administrator) - Anthropic administrator is an API for managing Anthropic organizational resources like members, workspaces, and API keys. It helps you automate admin tasks and streamline resource management across your Anthropic organization.
- [Api labz](https://composio.dev/toolkits/api_labz) - Api labz is a platform offering a suite of AI-driven APIs and workflow tools. It helps developers automate tasks and build smarter, more efficient applications.
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- [Astica ai](https://composio.dev/toolkits/astica_ai) - Astica ai provides APIs for computer vision, NLP, and voice synthesis. Integrate advanced AI features into your app with a single API key.
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- [Botpress](https://composio.dev/toolkits/botpress) - Botpress is an open-source platform for building, deploying, and managing chatbots. It helps teams automate conversations and deliver rich, interactive messaging experiences.
- [Braintrust](https://composio.dev/toolkits/braintrust) - Braintrust is an AI engineering platform for prompts, datasets, experiments, evaluations, observability, and production AI apps. Use it to ship better AI systems with faster debugging, clearer evals, and tighter feedback loops.
- [Chatbotkit](https://composio.dev/toolkits/chatbotkit) - Chatbotkit is a platform for building and managing AI-powered chatbots using robust APIs and SDKs. It lets you easily add conversational AI to your apps for better user engagement.

## Frequently Asked Questions

### Do I need my own developer credentials to use AssemblyAI with Composio?

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

### Can I use multiple toolkits together?

Yes! Composio's Tool Router enables agents to use multiple toolkits. [Learn more](https://docs.composio.dev/tool-router/overview).

### Is Composio secure?

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. [Learn more](https://trust.composio.dev).

### What if the API changes?

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

---
[See all toolkits](https://composio.dev/toolkits) · [Composio docs](https://docs.composio.dev/llms.txt)