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What is an MCP Server?

MCP is an open protocol that standardizes how applications provide context to LLMs. Think of MCP like a USB-C port for AI applications. Just as USB-C provides a standardized way to connect your devices to various peripherals and accessories, MCP provides a standardized way to connect AI models to different data sources and tools. Learn more.

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What can I do with the Captions MCP Server?

Using Claude or Cursor, you can search Captions documentation. This means you can enter a prompt like “What languages are supported for Dubbing in the Captions App?” Claude will search the Captions documentation for the answer.

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Get Started

To use the Captions MCP server you will need an API key from your Captions account.

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Start the MCP server locally

1

Install the server through the CLI

Open Terminal and run the following command to install the server:
npx @mintlify/mcp@latest add captions
2

Add the authentication token

You will be asked for your API key. Copy it from the API Dashboard, paste it into the terminal, and hit return .
What is the Captions x-api-key (API key)?
3

Add new MCP server to configs

A new MCP server will be created locally on your computer. Next, choose which programs you’d like to add.
?  Add new MCP server to configs: › Space to select (all selected by default). Return to submit. 
◉   Cursor
◉   Claude Desktop
4

Start your MCP server

Copy and paste the command (it will appear in the terminal, which you can copy and paste)
node /Users/[username]/.mcp/captions/src/index.js

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Choose how you want to interact with the MCP

Next, open Claude or Cursor to start interacting with the Captions MCP Server. Instructions: