curl -X POST 'https://api.elevenlabs.io/v1/convai/mcp-servers' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "config": {
    "approval_policy": "require_approval_all",
    "tool_approval_hashes": [
      {
        "tool_name": "string",
        "tool_hash": "string",
        "approval_policy": "requires_approval"
      }
    ],
    "transport": "SSE",
    "url": "string",
    "secret_token": {
      "secret_id": "string"
    },
    "request_headers": {},
    "request_meta": {},
    "auth_connection": {
      "auth_connection_id": "string"
    },
    "name": "string",
    "description": "",
    "force_pre_tool_speech": false,
    "pre_tool_speech": "auto",
    "disable_interruptions": false,
    "interruption_mode": "allow",
    "tool_call_sound": "typing",
    "tool_call_sound_behavior": "auto",
    "execution_mode": "immediate",
    "response_timeout_secs": 30,
    "tool_config_overrides": [
      {
        "tool_name": "string",
        "force_pre_tool_speech": true,
        "pre_tool_speech": "auto",
        "disable_interruptions": true,
        "interruption_mode": "allow",
        "tool_call_sound": "typing",
        "tool_call_sound_behavior": "auto",
        "execution_mode": "immediate",
        "response_timeout_secs": 0,
        "assignments": [
          {
            "dynamic_variable": "user_name",
            "preserve_native_type": false,
            "sanitize": false,
            "source": "response",
            "value_path": "user.name"
          }
        ],
        "input_overrides": {},
        "response_mocks": [
          {
            "parameter_conditions": "[recursive or deeply nested schema]",
            "mock_result": "[recursive or deeply nested schema]",
            "is_error": "[recursive or deeply nested schema]"
          }
        ]
      }
    ],
    "disable_compression": false
  }
}'

# POST /v1/convai/mcp-servers (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Create Mcp Server

## Critical Gotchas
* Authentication uses the non-standard `xi-api-key` header, not `Authorization: Bearer`. Sending a Bearer token returns HTTP 401.
* Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (`--output speech.mp3`) rather than parsing it.

## cURL
curl -X POST 'https://api.elevenlabs.io/v1/convai/mcp-servers' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"config":{"approval_policy":"require_approval_all","tool_approval_hashes":[]}}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| config | body | object | Yes | Request body field config. |

## Response (200 OK)
{"id":"string","config":{"approval_policy":"require_approval_all","tool_approval_hashes":[]}}

---
Need an API key? Get one at https://elevenlabs.io/app/sign-up

POST

/v1/convai/mcp-servers

ElevenLabs API

Create Mcp Server

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 167 tokens · Vary: Accept

Critical gotchas

Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.

Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (--output speech.mp3) rather than parsing it.

cURL

curl -X POST 'https://api.elevenlabs.io/v1/convai/mcp-servers' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "config": {    "approval_policy": "require_approval_all",    "tool_approval_hashes": [      {        "tool_name": "string",        "tool_hash": "string",        "approval_policy": "requires_approval"      }    ],    "transport": "SSE",    "url": "string",    "secret_token": {      "secret_id": "string"    },    "request_headers": {},    "request_meta": {},    "auth_connection": {      "auth_connection_id": "string"    },    "name": "string",    "description": "",    "force_pre_tool_speech": false,    "pre_tool_speech": "auto",    "disable_interruptions": false,    "interruption_mode": "allow",    "tool_call_sound": "typing",    "tool_call_sound_behavior": "auto",    "execution_mode": "immediate",    "response_timeout_secs": 30,    "tool_config_overrides": [      {        "tool_name": "string",        "force_pre_tool_speech": true,        "pre_tool_speech": "auto",        "disable_interruptions": true,        "interruption_mode": "allow",        "tool_call_sound": "typing",        "tool_call_sound_behavior": "auto",        "execution_mode": "immediate",        "response_timeout_secs": 0,        "assignments": [          {            "dynamic_variable": "user_name",            "preserve_native_type": false,            "sanitize": false,            "source": "response",            "value_path": "user.name"          }        ],        "input_overrides": {},        "response_mocks": [          {            "parameter_conditions": "[recursive or deeply nested schema]",            "mock_result": "[recursive or deeply nested schema]",            "is_error": "[recursive or deeply nested schema]"          }        ]      }    ],    "disable_compression": false  }}'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
config	body	object	Yes	Request body field config.

Response 200 OK

{
  "id": "string",
  "config": {
    "approval_policy": "require_approval_all",
    "tool_approval_hashes": [
      {
        "tool_name": "string",
        "tool_hash": "string",
        "approval_policy": "requires_approval"
      }
    ],
    "transport": "SSE",
    "url": "string",
    "secret_token": {
      "secret_id": "string"
    },
    "request_headers": {},
    "request_meta": {},
    "auth_connection": {
      "auth_connection_id": "string"
    },
    "name": "string",
    "description": "",
    "force_pre_tool_speech": false,
    "pre_tool_speech": "auto",
    "disable_interruptions": false,
    "interruption_mode": "allow",
    "tool_call_sound": "typing",
    "tool_call_sound_behavior": "auto",
    "execution_mode": "immediate",
    "response_timeout_secs": 30,
    "tool_config_overrides": [
      {
        "tool_name": "string",
        "force_pre_tool_speech": true,
        "pre_tool_speech": "auto",
        "disable_interruptions": true,
        "interruption_mode": "allow",
        "tool_call_sound": "typing",
        "tool_call_sound_behavior": "auto",
        "execution_mode": "immediate",
        "response_timeout_secs": 0,
        "assignments": [
          {
            "dynamic_variable": "user_name",
            "preserve_native_type": false,
            "sanitize": false,
            "source": "response",
            "value_path": "user.name"
          }
        ],
        "input_overrides": {},
        "response_mocks": [
          {
            "parameter_conditions": "[recursive or deeply nested schema]",
            "mock_result": "[recursive or deeply nested schema]",
            "is_error": "[recursive or deeply nested schema]"
          }
        ]
      }
    ],
    "disable_compression": false
  },
  "access_info": {
    "access_source": "creator",
    "creator_email": "john.doe@example.com",
    "creator_name": "John Doe",
    "is_creator": true,
    "role": "admin"
  },
  "dependent_agents": [
    {
      "referenced_resource_ids": [
        "string"
      ],
      "id": "string",
      "name": "string",
      "type": "available",
      "created_at_unix_secs": 0,
      "access_level": "admin"
    }
  ],
  "metadata": {
    "created_at": 0,
    "owner_user_id": "string"
  }
}