Schema | Heygen MCP Server

Heygen MCP Server

Describes the environment variables required to run the server.

Name	Required	Description	Default
`HEYGEN_API_KEY`	Yes	Your Heygen API key

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
get_remaining_creditsA	Retrieves the remaining credits in heygen account.
get_voicesA	Retrieves a list of available voices from the HeyGen API. Results truncated to first 100 voices. Private voices generally will returned 1st.
get_avatar_groupsA	Retrieves a list of HeyGen avatar groups. By default, only private avatar groups are returned, unless include_public is set to true. Avatar groups are collections of avatars, avatar group ids cannot be used to generate videos.
get_avatars_in_avatar_groupC	Retrieves a list of avatars in a specific HeyGen avatar group.
generate_avatar_videoC	Generates a new avatar video via the HeyGen API.
generate_avatar_video_with_multiple_scenesC	Generates a new avatar video via the HeyGen API. with multiple scenes.
get_avatar_video_statusA	Retrieves the status of a video generated via the HeyGen API. Video status make take several minutes to hours depending on length of video and queue time. If video is not yet complete, status be viewed later by user via https://app.heygen.com/home

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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