curl --request GET \
  --url https://api.runtools.ai/v1/workspaces/{id}/usage \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "workspaceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "workspaceName": "<string>",
    "inUse": true,
    "counts": {
      "mountedSandboxes": 123,
      "installableAgents": 123,
      "customAgents": 123
    },
    "mountedSandboxes": [
      {
        "sandboxId": "<string>",
        "sandboxName": "<string>",
        "sandboxStatus": "<string>",
        "mountPath": "<string>",
        "readOnly": true
      }
    ],
    "installableAgents": [
      {
        "installId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "displayName": "<string>",
        "agentSlug": "<string>",
        "status": "<string>",
        "sandboxId": "<string>",
        "sandboxName": "<string>"
      }
    ],
    "customAgents": [
      {
        "agentId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "slug": "<string>",
        "executionMode": "<string>",
        "sandboxId": "<string>",
        "sandboxName": "<string>"
      }
    ]
  }
}