listInstances

{
  "per_page": {
    "description": "Number of items requested per page. Default is 100 and Max is 500.",
    "required": false,
    "location": "query",
    "type": "integer"
  },
  "cursor": {
    "description": "Cursor for paging. See [Meta and Pagination](#section/Introduction/Meta-and-Pagination).",
    "required": false,
    "location": "query",
    "type": "string"
  },
  "tag": {
    "description": "Filter by specific tag.",
    "required": false,
    "location": "query",
    "type": "string"
  },
  "label": {
    "description": "Filter by label.",
    "required": false,
    "location": "query",
    "type": "string"
  },
  "main_ip": {
    "description": "Filter by main ip address.",
    "required": false,
    "location": "query",
    "type": "string"
  },
  "region": {
    "description": "Filter by [Region id](#operation/list-regions).",
    "required": false,
    "location": "query",
    "type": "string"
  }
}

{
  "type": "object",
  "properties": {
    "instances": {
      "type": "array",
      "items": {
        "title": "instance",
        "type": "object",
        "x-tags": [
          "instances"
        ],
        "description": "Instance information.",
        "x-examples": {},
        "properties": {
          "id": {
            "type": "string",
            "description": "A unique ID for the VPS Instance."
          },
          "os": {
            "type": "string",
            "description": "The [Operating System name](#operation/list-os)."
          },
          "ram": {
            "type": "integer",
            "description": "The amount of RAM in MB."
          },
          "disk": {
            "type": "integer",
            "description": "The size of the disk in GB."
          },
          "main_ip": {
            "type": "string",
            "description": "The main IPv4 address."
          },
          "vcpu_count": {
            "type": "integer",
            "description": "Number of vCPUs."
          },
          "region": {
            "type": "string",
            "description": "The [Region id](#operation/list-regions) where the Instance is located."
          },
          "default_password": {
            "type": "string",
            "description": "The default password assigned at deployment."
          },
          "date_created": {
            "type": "string",
            "description": "The date this instance was created."
          },
          "status": {
            "type": "string",
            "description": "The current status.\n\n* active\n* pending\n* suspended\n* resizing"
          },
          "power_status": {
            "type": "string",
            "description": "The power-on status.\n\n* running\n* stopped"
          },
          "server_status": {
            "type": "string",
            "description": "The server health status.\n\n* none\n* locked\n* installingbooting\n* ok"
          },
          "allowed_bandwidth": {
            "type": "integer",
            "description": "Monthly bandwidth quota in GB."
          },
          "netmask_v4": {
            "type": "string",
            "description": "The IPv4 netmask in dot-decimal notation."
          },
          "gateway_v4": {
            "type": "string",
            "description": "The gateway IP address."
          },
          "v6_networks": {
            "type": "array",
            "description": "An array of IPv6 objects.",
            "items": {
              "type": "object",
              "description": "An IPv6 object.",
              "properties": {
                "network": {
                  "type": "string",
                  "description": "The IPv6 subnet."
                },
                "main_ip": {
                  "type": "string",
                  "description": "The main IPv6 network address."
                },
                "network_size": {
                  "description": "The IPv6 network size in bits.",
                  "type": "integer"
                }
              }
            }
          },
          "hostname": {
            "type": "string",
            "description": "The hostname for this instance."
          },
          "label": {
            "type": "string",
            "description": "The user-supplied label for this instance."
          },
          "tag": {
            "type": "string",
            "description": "Use `tags` instead. The user-supplied tag for this instance.",
            "deprecated": true
          },
          "internal_ip": {
            "type": "string",
            "description": "The internal IP used by this instance, if set."
          },
          "kvm": {
            "type": "string",
            "description": "HTTPS link to the Vultr noVNC Web Console."
          },
          "os_id": {
            "type": "integer",
            "description": "The [Operating System id](#operation/list-os) used by this instance."
          },
          "app_id": {
            "type": "integer",
            "description": "The [Application id](#operation/list-applications) used by this instance."
          },
          "image_id": {
            "type": "string",
            "description": "The [Application image_id](#operation/list-applications) used by this instance."
          },
          "firewall_group_id": {
            "type": "string",
            "description": "The [Firewall Group id](#operation/list-firewall-groups) linked to this Instance."
          },
          "features": {
            "type": "array",
            "description": "\"auto_backups\", \"ipv6\", \"ddos_protection\"",
            "items": {
              "type": "string"
            }
          },
          "plan": {
            "type": "string",
            "description": "A unique ID for the Plan."
          },
          "tags": {
            "type": "array",
            "description": "Tags to apply to the instance",
            "items": {
              "type": "string"
            }
          }
        }
      }
    },
    "meta": {
      "title": "meta",
      "type": "object",
      "x-examples": {
        "meta response": {
          "meta": {
            "total": 31,
            "links": {
              "next": "WxYzExampleNext",
              "prev": ""
            }
          }
        }
      },
      "description": "The meta information object. See [Meta and Pagination](#section/Introduction/Meta-and-Pagination) for more information.",
      "properties": {
        "total": {
          "type": "integer",
          "description": "Total objects available in the list. This value may be greater than the number of objects returned if `per_page` is set."
        },
        "links": {
          "type": "object",
          "description": "Cursor values for pagination.",
          "properties": {
            "next": {
              "type": "string",
              "description": "Cursor value for the next page."
            },
            "prev": {
              "type": "string",
              "description": "Cursor value for the previous page."
            }
          }
        }
      }
    }
  }
}

from ocp_agent import OCPAgent

agent = OCPAgent()
await agent.register_api('vultr')

# Call this tool
result = await agent.call_tool('listInstances', {
    # Add required parameters here
})