# add_host Add hypervisor host to cluster Agent View of the PolicyLayer registry record for `add_host`. HTML page: https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/add-host ## Facts - Tool: `add_host` - Server: CloudStack MCP Server (`mozg31337/cloudstack-mcp-server`) — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server.md - Homepage: https://github.com/mozg31337/cloudstack-mcp-server - Risk category: Write (Medium risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "add_host", "arguments": {} } } ``` ## Why add_host is rated Medium This tool creates a new hypervisor host resource and adds it to an existing cluster, which is a reversible Write operation. While infrastructure changes can have significant blast radius (high severity), the operation itself is not destructive (reversible), does not involve financial transactions, and does not execute arbitrary code. From the tool's own definition: "Tool name 'add_host' and description 'Add hypervisor host to cluster' indicate creation of infrastructure resource (hypervisor host) in a cluster, which modifies the system state." ## Use case AI agents use add_host to create or update resources in CloudStack MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CloudStack MCP Server environment. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches CloudStack MCP Server: ```json { "version": "1", "default": "deny", "tools": { "add_host": { "limits": [ { "counter": "add_host_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on CloudStack MCP Server (441) - `cancel_host_maintenance` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/cancel-host-maintenance.md - `delete_account` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-account.md - `delete_account_from_project` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-account-from-project.md - `delete_alerts` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-alerts.md - `delete_application_load_balancer` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-application-load-balancer.md - `delete_bgp_peer` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-bgp-peer.md - `delete_customer_gateway` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-customer-gateway.md - `delete_dhcp_option` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-dhcp-option.md - `delete_disk_offering` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-disk-offering.md - `delete_domain` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-domain.md - `delete_egress_firewall_rule` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-egress-firewall-rule.md - `delete_firewall_rule` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-firewall-rule.md - `delete_global_load_balancer` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-global-load-balancer.md - `delete_host` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-host.md - `delete_image_store` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-image-store.md - `delete_ip_forwarding_rule` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-ip-forwarding-rule.md - `delete_ipv4_subnet_for_guest_network` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-ipv4-subnet-for-guest-network.md - `delete_ipv4_subnet_for_zone` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-ipv4-subnet-for-zone.md - `delete_ipv6_firewall_rule` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-ipv6-firewall-rule.md - `delete_iso` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-iso.md - `delete_kubernetes_cluster` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-kubernetes-cluster.md - `delete_kubernetes_supported_version` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-kubernetes-supported-version.md - `delete_lb_health_check_policy` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-lb-health-check-policy.md - `delete_lb_stickiness_policy` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-lb-stickiness-policy.md - `delete_load_balancer_rule` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-load-balancer-rule.md - `delete_network` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-network.md - `delete_network_acl` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-network-acl.md - `delete_network_acl_list` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-network-acl-list.md - `delete_network_device` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-network-device.md - `delete_network_offering` — Destructive — https://policylayer.com/tools/mozg31337-cloudstack-mcp-server/delete-network-offering.md - …and 411 more: https://policylayer.com/tools/mozg31337-cloudstack-mcp-server.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=mozg31337-cloudstack-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/mozg31337-cloudstack-mcp-server