---
title: "Get Captions"
description: "Get captions for a media file."
---

> Documentation Index
> Fetch the complete documentation index at: https://docs.speakai.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Captions

Use the Speak AI MCP server tool `get_captions` to get captions for a media file.

## What does it do?

Get captions for a media file. Captions are separate from full transcripts and are
formatted for display/subtitles.

## Parameters

`get_captions` takes 1 parameter, all of them required.

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `mediaId` | string | Yes | Unique identifier of the media file |

## Behaviour

The Speak AI MCP server publishes these behaviour hints for `get_captions`.

- Only reads data. Does not modify your workspace.
- Does not delete or overwrite existing data.
- Repeating an identical call is safe.
- Stays inside Speak AI. Does not reach other systems.

## Related

- [Media library](/mcp/tools/media/) lists the rest of the Media library category.
- [Tool reference](/mcp/tools/) lists every Speak AI MCP server tool.
- [MCP server](/mcp/) covers setup, supported clients, and what agents can do once
  connected.

Source: https://docs.speakai.co/mcp/tools/media/get_captions/index.mdx