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Assemblyai MCP Server — Hosted Ai Integration

MCP Server language Hosted language Public

Transcribe audio, run LeMUR AI analysis, extract action items, and search transcripts with AssemblyAI's audio intelligence platform.

@aerostack verified

• v0.1.0 • MIT • Updated Jun 28, 2026

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Use with AI AssistantsMCP

Connect Claude, Cursor, or any MCP-compatible client — then call tools directly

① Add This MCP Server

Paste into your AI client config — then all its tools are available instantly.

.claude/mcp.json

{
  "mcpServers": {
    "assemblyai": {
      "url": "https://mcp.aerostack.dev/s/aerostack/mcp-assemblyai",
      "headers": {
        "Authorization": "Bearer YOUR_AEROSTACK_TOKEN"
      }
    }
  }
}

Replace YOUR_AEROSTACK_TOKEN with your API token from the dashboard.

② Call a Tool

Ask your AI assistant to call a specific tool, or send raw JSON-RPC:

+9 more

Natural Language Prompt

“Use the _ping tool to verify assemblyai credentials by calling a lightweight read endpoint. used internally by aerostack to validate credentials”

Using a Workspace?

Add this MCP to your Workspace — your team shares one token, secrets are stored securely, and every AI agent in the workspace can call it without per-user setup.

add_circleAdd to Workspace

description Overview

mcp-assemblyai — AssemblyAI MCP Server

Transcribe audio, run LeMUR AI analysis, extract action items, and search transcripts with AssemblyAI's audio intelligence platform.

Live endpoint: https://mcp.aerostack.dev/s/aerostack/mcp-assemblyai

What You Can Do

This MCP server gives AI agents access to AssemblyAI via 14 tools. Connect it to any Aerostack workspace and your agents can interact with AssemblyAI directly.

Available Tools

Tool	Description
`transcribe_url`	Submit an audio URL for transcription with AssemblyAI
`get_transcript`	Get the status and result of a transcript by ID
`list_transcripts`	List transcripts for the authenticated account
`delete_transcript`	Delete a transcript by ID (removes audio data from AssemblyAI servers)
`create_realtime_token`	Create a temporary token for real-time streaming transcription
`lemur_task`	Run a custom LLM task on one or more transcripts with AssemblyAI LeMUR
`lemur_summary`	Generate a summary of transcripts using AssemblyAI LeMUR
`lemur_qa`	Ask questions about transcripts using AssemblyAI LeMUR
`lemur_action_items`	Extract action items from transcripts using AssemblyAI LeMUR
`get_lemur_response`	Retrieve a previous LeMUR response by request ID
`upload_audio`	Upload audio data from base64 to AssemblyAI for transcription
`list_word_search`	Search for specific words in a transcript
`get_sentences`	Get sentence-level breakdown of a transcript
`get_paragraphs`	Get paragraph-level breakdown of a transcript

Configuration

Variable	Required	Description
`ASSEMBLYAI_API_KEY`	Yes	Your ASSEMBLYAI API KEY from the service's developer settings

Quick Start

Add to Aerostack Workspace

Go to aerostack.dev → Your Project → MCPs
Search for "AssemblyAI" and click Add to Workspace

Add the following secrets under Project → Secrets:

ASSEMBLYAI_API_KEY

Once added, every AI agent in your workspace can use AssemblyAI tools automatically.

Direct API Call

curl -X POST https://mcp.aerostack.dev/s/aerostack/mcp-assemblyai \
  -H 'Content-Type: application/json' \
  -H 'X-Mcp-Secret-ASSEMBLYAI-API-KEY: your-assemblyai-api-key' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"transcribe_url","arguments":{}}}'

License

MIT

terminal Tools (15)

Available tools on this MCP server. Each tool can be called directly from any AI agent.

terminal

_ping #1

Verify AssemblyAI credentials by calling a lightweight read endpoint. Used internally by Aerostack to validate credentials.

terminal

transcribe_url #2

Submit an audio URL for transcription with AssemblyAI

terminal

get_transcript #3

Get the status and result of a transcript by ID

terminal

list_transcripts #4

List transcripts for the authenticated account

terminal

delete_transcript #5

Delete a transcript by ID (removes audio data from AssemblyAI servers)

terminal

create_realtime_token #6

Create a temporary token for real-time streaming transcription

terminal

lemur_task #7

Run a custom LLM task on one or more transcripts with AssemblyAI LeMUR

terminal

lemur_summary #8

Generate a summary of transcripts using AssemblyAI LeMUR

terminal

lemur_qa #9

Ask questions about transcripts using AssemblyAI LeMUR

terminal

lemur_action_items #10

Extract action items from transcripts using AssemblyAI LeMUR

terminal

get_lemur_response #11

Retrieve a previous LeMUR response by request ID

terminal

upload_audio #12

Upload audio data from base64 to AssemblyAI for transcription

terminal

list_word_search #13

Search for specific words in a transcript

terminal

get_sentences #14

Get sentence-level breakdown of a transcript

terminal

get_paragraphs #15

Get paragraph-level breakdown of a transcript

Details

upgrade Version 0.1.0

gavel License MIT

wifi Transport streamable-http

lock Access Public

category Category AI

terminal Tools 15

language Live Endpoint

https://mcp.aerostack.dev/s/aerostack/mcp-assemblyai

Sub-50ms globally · Zero cold start

Publisher

@aerostack verified

Pre-built functions for the most common MCP tool patterns. Clone, extend, and deploy.

Frequently asked questions

What is the Assemblyai MCP server and what can it do? +

The Assemblyai MCP server is hosted on Aerostack and exposes these tools to your AI agent: `_ping`, `transcribe_url`, `get_transcript`, `list_transcripts`, `delete_transcript`. You get one hosted URL — no self-hosting — that works from Claude, Cursor, ChatGPT, Gemini, VS Code, or any MCP-compatible client, and you can share it with your team or combine it with other MCP servers in a workspace.

Is the Assemblyai MCP server hosted, or do I have to run it myself? +

It's hosted on Aerostack's edge infrastructure — you don't deploy or maintain anything. Add it to a workspace and you get one authenticated URL, with secrets encrypted, that any AI agent or editor can connect to. Use it solo or share the same URL across your whole team.

Which AI agents and editors can use the Assemblyai MCP server? +

Any MCP client: Claude and Claude Code, Cursor, ChatGPT, Gemini, Windsurf, Cline, VS Code, and custom agents. Because it's one hosted URL, the same Assemblyai MCP server works everywhere — and you can compose it with other MCP servers, skills, and functions behind a single workspace URL.

How do I install the Assemblyai MCP server in Claude Desktop? +

Add the following to your Claude Desktop config (`claude_desktop_config.json`): ```json { "mcpServers": { "@aerostack/mcp-assemblyai": { "command": "npx", "args": ["-y", "@aerostack/@aerostack/mcp-assemblyai"] } } } ``` Then restart Claude Desktop and the tools will appear automatically.

How do I use the Assemblyai MCP server in Cursor? +

In Cursor, open **Settings → MCP** and add: ```json { "name": "@aerostack/mcp-assemblyai", "command": "npx", "args": ["-y", "@aerostack/@aerostack/mcp-assemblyai"] } ``` Save and reload Cursor. The MCP tools will be available in Agent mode.

Does Assemblyai MCP require authentication? +

Yes. Assemblyai requires authentication. Check the MCP's documentation for the required credentials.

Assemblyai MCP Server — Hosted Ai Integration

description Overview

mcp-assemblyai — AssemblyAI MCP Server

What You Can Do

Available Tools

Configuration

Quick Start

Add to Aerostack Workspace

Direct API Call

License

terminal Tools (15)

Details

Publisher

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