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Post Agent Hold Audio
An MCP tool from the ElevenLabs API server, hosted on mcp.hjlabs.in.
Post Agent Hold Audio Sets the custom hold audio played on loop to callers waiting in the agent's concurrency wait queue. Replaces any previously uploaded clip. [POST /v1/convai/agents/{agent_id}/hold-audio]
Name on the gateway: elevenlabs_api__post_agent_hold_audio_route · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
agent_id required | string | The id of an agent. This is returned on agent creation. |
hold_audio_file required | string | An MP3 or WAV file played on loop to callers waiting in the agent's… |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "elevenlabs_api__post_agent_hold_audio_route",
"arguments": {
"agent_id": "…",
"hold_audio_file": "…"
}
}Or connect the ElevenLabs API server directly, which lists 487 tools including this one:
claude mcp add --transport http hj-elevenlabs-api https://mcp.hjlabs.in/mcp/elevenlabs-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the post agent hold audio tool with agent_id set to ….