McpExternalOperationCreateRequest

Creates a tool that calls an MCP connector.

Kind: an object, used in requests.

Fields

Field	Type	Required	Description
name	string	yes	The tool’s name, unique within its namespace (under 150 characters). The model calls the tool by it. Constraints: maxLength: 150, required (empty or whitespace-only strings are rejected).
connectorId	uuid	yes	The id of the connector the tool calls. Constraints: required (empty or whitespace-only strings are rejected).
connectorVersion	integer | null		The connector version to build on. Omitted: the connector’s latest enabled version when the tool is saved. A tool version always calls one exact connector version. Constraints: range: 1..2147483647.
requestBindings	ConnectorBinding[]	yes	Fixed values for fields of the request body, which the model never sees or chooses ([] for none). Constraints: required (empty or whitespace-only strings are rejected).
authenticationHeader	ConnectorAuthenticationHeader| null		The credential sent with every call, from a secret. The connector needs Header authentication.
promptGuidance	string | null		When and how to use the tool, written for the model (under 10,000 characters). Omitted: the connector’s description. Constraints: maxLength: 10000.
requiresApproval	boolean		Whether a person must approve each call before it is made. The run waits with status PendingApproval.

Example

{
  "name": "...",
  "connectorId": "3f2b8c1e-5d4a-4e6b-9c7d-2a1b0c9d8e7f",
  "connectorVersion": 0,
  "requestBindings": [
    {
      "target": "...",
      "value": "..."
    }
  ],
  "authenticationHeader": {
    "headerName": "...",
    "secretId": "3f2b8c1e-5d4a-4e6b-9c7d-2a1b0c9d8e7f"
  },
  "promptGuidance": "...",
  "requiresApproval": false
}

Where it’s used

• tools.createMcp (POST /namespaces/{namespaceName}/external-operations/mcp)