curl --request POST \
  --url https://dev.voice.ai/api/v1/agent/{agent_id}/assign-knowledge-base \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "kb_id": 123
}'

{
  "agent_id": "<string>",
  "name": "<string>",
  "config": {
    "prompt": "<string>",
    "greeting": "<string>",
    "llm_temperature": 0.7,
    "llm_model": "gemini-2.5-flash-lite",
    "tts_min_sentence_len": 20,
    "tts_params": {
      "voice_id": "<string>",
      "temperature": 1,
      "top_p": 0.8
    },
    "min_silence_duration": 0.55,
    "min_speech_duration": 0.1,
    "user_silence_timeout": 10,
    "max_call_duration_seconds": 900,
    "allow_interruptions": true,
    "allow_interruptions_on_greeting": false,
    "min_interruption_words": 1,
    "auto_noise_reduction": true,
    "allow_agent_to_end_call": false,
    "allow_agent_to_skip_turn": false,
    "min_endpointing_delay": 0.5,
    "max_endpointing_delay": 3,
    "vad_activation_threshold": 0.6,
    "phone_number": "<string>",
    "mcp_servers": [
      {
        "name": "<string>",
        "url": "<string>",
        "description": "<string>",
        "auth_type": "none",
        "auth_token": "<string>",
        "headers": {}
      }
    ]
  },
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "status": "paused",
  "status_code": 1,
  "kb_id": 123
}