Bring Speech To Text
to Mastra AI
Create your Vinkius account to connect AssemblyAI to Mastra AI and start using all 6 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the AssemblyAI MCP Server?
Empower your AI agent to orchestrate your entire audio intelligence and transcription workflow with AssemblyAI, the leading platform for speech-to-text. By connecting AssemblyAI to your agent, you transform complex audio processing into a natural conversation. Your agent can instantly start transcription jobs from any URL, audit transcript results with high confidence, and manage job history without you ever touching a technical console. Whether you are analyzing podcast content or transcribing meetings, your agent acts as a real-time linguistic assistant, ensuring your audio data is always accessible and searchable.
What you can do
- Transcription Auditing — Start transcription jobs for any audio or video URL and retrieve cleaned text with speaker labels.
- Linguistic Oversight — Retrieve transcripts broken down by sentences or paragraphs to maintain a structured view of spoken content.
- Status Intelligence — Monitor the progress of long-running transcription jobs to ensure timely data delivery.
- Execution Management — List all past and active transcripts to maintain strict organizational control over your audio assets.
- Confidence Intelligence — Retrieve confidence scores for each transcription to verify the accuracy of your linguistic data.
How it works
- Subscribe to this server
- Enter your AssemblyAI API Key
- Start managing your audio intelligence through Claude, Cursor, or any MCP-compatible client
Who is this for?
- Content Creators — monitor podcast transcriptions and retrieve speaker metadata straight from your workflow.
- Data Analysts — verify transcription accuracy and audit linguistic trends across multiple files.
- Operations Leads — perform rapid audits of meeting records and retrieve key summaries through natural language.
- AI Developers — automate audio data querying to orchestrate cross-functional media intelligence teams smoothly.
Built-in capabilities (6)
Delete a transcription record
Get the result of a transcription job
Get the transcript broken down by paragraphs
Get the transcript broken down by sentences
List all transcription jobs
Start a transcription job for an audio/video URL
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and AssemblyAI tool infrastructure. Connect 6 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add AssemblyAI without touching business code
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Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
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TypeScript-native: full type inference for every AssemblyAI tool response with IDE autocomplete and compile-time checks
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One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
AssemblyAI in Mastra AI
Why run AssemblyAI with Vinkius?
The AssemblyAI connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 6 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect AssemblyAI using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
AssemblyAI and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect AssemblyAI to Mastra AI through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
AssemblyAI for Mastra AI
Every request between Mastra AI and AssemblyAI is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I find my AssemblyAI API Key?
Log in to your AssemblyAI dashboard, and you will find your API Key on the main home page. Copy and paste it below.
What audio formats are supported?
AssemblyAI supports most common audio and video formats, including MP3, WAV, AAC, MP4, and others. Simply provide a public URL to the file.
Can the agent identify different speakers?
Yes. When starting a job via transcribe_audio, set the speaker_labels parameter to true. Your agent will return the text categorized by speaker ID.
How does Mastra AI connect to MCP servers?
Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.
Can Mastra agents use tools from multiple servers?
Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.
Does Mastra support workflow orchestration?
Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.
createMCPClient not exported
Install: npm install @mastra/mcp
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