AssemblyAI MCP Server for Mastra AI 6 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect AssemblyAI through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"assemblyai": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "AssemblyAI Agent",
instructions:
"You help users interact with AssemblyAI " +
"using 6 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with AssemblyAI?"
);
console.log(result.text);
}
main();
* 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 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.
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.
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.
The AssemblyAI MCP Server exposes 6 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect AssemblyAI to Mastra AI via MCP
Follow these steps to integrate the AssemblyAI MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 6 tools from AssemblyAI via MCP
Why Use Mastra AI with the AssemblyAI MCP Server
Mastra AI provides unique advantages when paired with AssemblyAI through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add AssemblyAI without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every AssemblyAI tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
AssemblyAI + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the AssemblyAI MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query AssemblyAI, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed AssemblyAI as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query AssemblyAI on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using AssemblyAI tools alongside other MCP servers
AssemblyAI MCP Tools for Mastra AI (6)
These 6 tools become available when you connect AssemblyAI to Mastra AI via MCP:
delete_transcript
Delete a transcription record
get_transcript
Get the result of a transcription job
get_transcript_paragraphs
Get the transcript broken down by paragraphs
get_transcript_sentences
Get the transcript broken down by sentences
list_transcripts
List all transcription jobs
transcribe_audio
Start a transcription job for an audio/video URL
Example Prompts for AssemblyAI in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with AssemblyAI immediately.
"Transcribe the audio file at https://example.com/podcast.mp3 using AssemblyAI."
"Show me the result for transcript ID xxxx."
"List all my past AssemblyAI transcripts."
Troubleshooting AssemblyAI MCP Server with Mastra AI
Common issues when connecting AssemblyAI to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpAssemblyAI + Mastra AI FAQ
Common questions about integrating AssemblyAI MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
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?
Does Mastra support workflow orchestration?
Connect AssemblyAI with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect AssemblyAI to Mastra AI
Get your token, paste the configuration, and start using 6 tools in under 2 minutes. No API key management needed.